H3C MSR Router Series
Comware 5 WLAN Configuration Guide
New H3C Technologies Co., Ltd.
http://www.h3c.com
Software version: MSR-CMW520-R2516
Document version: 20180820-C-1.13
Copyright © 2006-2018, New H3C Technologies Co., Ltd. and its licensors
All rights reserved
No part of this manual may be reproduced or transmitted in any form or by any means without prior written
consent of New H3C Technologies Co., Ltd.
Trademarks
H3C, , H3CS, H3CIE, H3CNE, Aolynk, , H
3
Care, , IRF, NetPilot, Netflow, SecEngine,
SecPath, SecCenter, SecBlade, Comware, ITCMM and HUASAN are trademarks of New H3C Technologies
Co., Ltd.
All other trademarks that may be mentioned in this manual are the property of their respective owners.
Notice
The information in this document is subject to change without notice. All contents in this document, including
statements, information, and recommendations, are believed to be accurate, but they are presented without
warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions
contained herein.
Preface
This configuration guide describes fundamentals and configuration of WLAN Interface, WLAN
Service, WLAN RRM, WLAN Security, WLAN IDS, and WLAN QoS.
This preface includes the following topics about the documentation:
• Audience.
• Conventions.
• Documentation feedback.
Audience
This documentation is intended for:
• Network planners.
• Field technical support and servicing engineers.
• Network administrators working with the routers.
Conventions
The following information describes the conventions used in the documentation.
Command conventions
Convention Description
Boldface Bold
text represents commands and keywords that you enter literally as shown.
Italic
Italic text represents arguments that you replace with actual values.
[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.
{ x | y | ... }
Braces enclose a set of required syntax choices separated by vertical bars, from which
you select one.
[ x | y | ... ]
Square brackets enclose a set of optional syntax choices separated by vertical bars,
from which you select one or none.
{ x | y | ... } *
Asterisk marked braces enclose a set of required syntax choices separated by vertical
bars, from which you select a minimum of one.
[ x | y | ... ] *
Asterisk marked square brackets enclose optional syntax choices separated by vertical
bars, from which you select one choice, multiple choices, or none.
&<1-n>
The argument or keyword and argument combination before the ampersand (&) sign
can be entered 1 to n times.
# A line that starts with a pound (#) sign is comments.
GUI conventions
Convention Description
Boldface
Window names, button names, field names, and menu items are in Boldface. For
example, the
New User
window opens; click
OK
.
>
Multi-level menus are separated by angle brackets. For example,
File
>
Create
>
Folder
.
Symbols
Convention Description
WARNING!
An alert that calls attention to important information that if not understood or followed
can result in personal injury.
CAUTION:
An alert that calls attention to important information that if not understood or followed
can result in data loss, data corruption, or damage to hardware or software.
IMPORTANT:
An alert that calls attention to essential information.
NOTE:
An alert that contains additional or supplementary information.
TIP:
An alert that provides helpful information.
Network topology icons
Convention Description
Represents a generic network device, such as a router, switch, or firewall.
Represents a routing-capable device, such as a router or Layer 3 switch.
Represents a generic switch, such as a Layer 2 or Layer 3 switch, or a router that
supports Layer 2 forwarding and other Layer 2 features.
Represents an access controller, a unified wired-WLAN module, or the access
controller engine on a unified wired-WLAN switch.
Represents an access point.
Represents a wireless terminator unit.
Represents a wireless terminator.
Represents a mesh access point.
Represents omnidirectional signals.
Represents directional signals.
Represents a security product, such as a firewall, UTM, multiservice security
gateway, or load balancing device.
Represents a security module, such as a firewall, load balancing, NetStream, SSL
VPN, IPS, or ACG module.
Examples provided in this document
Examples in this document might use devices that differ from your device in hardware model,
configuration, or software version. It is normal that the port numbers, sample output, screenshots,
and other information in the examples differ from what you have on your device.
T
T
T
T
Documentation feedback
You can e-mail your comments about product documentation to [email protected].
We appreciate your comments.
i
Contents
Configuring WLAN interfaces ······························································ 1
Hardware compatibility with WLAN ································································································ 1
Configuring a WLAN radio interface ······························································································· 1
Configuring a WLAN BSS interface ································································································ 2
WLAN Ethernet interface ············································································································· 3
Entering WLAN Ethernet interface view ···················································································· 3
Configuring a WLAN Ethernet interface ···················································································· 3
Displaying and maintaining a WLAN interface ·················································································· 7
Configuring WLAN access ································································· 9
WLAN access overview ··············································································································· 9
Terminology ······················································································································· 9
Client access ······················································································································ 9
Hardware compatibility with WLAN ······························································································ 11
Workgroup bridge mode overview ······························································································· 11
WLAN access configuration task list ····························································································· 12
Specifying a country code ·········································································································· 12
Configuring a WLAN service template ·························································································· 13
Creating a service template and specifying an SSID ································································· 13
Configuring secure access ·································································································· 13
Configuring the maximum number of associated clients ····························································· 14
Enabling fast association ···································································································· 14
Enabling a service template ································································································· 14
Configuring WLAN parameters ··································································································· 14
Configuring radio parameters ····································································································· 15
Configuring radio parameters ······························································································· 15
Configuring 802.11n ··········································································································· 16
Mapping a service template to a radio ···················································································· 17
Enabling a radio ················································································································ 18
Displaying and maintaining WLAN access ····················································································· 18
Configuring SSID-based access control ························································································ 18
Configuring workgroup bridge mode ····························································································· 19
Enabling workgroup bridge mode ·························································································· 19
Connecting the workgroup bridge to the wireless network ·························································· 19
Displaying and maintaining workgroup bridge ·········································································· 20
WLAN access configuration examples ·························································································· 20
WLAN access configuration example ····················································································· 20
802.11n configuration example ····························································································· 21
Workgroup bridge mode configuration example ······································································· 22
Configuring WLAN RRM ·································································· 25
Overview ································································································································ 25
Hardware compatibility with WLAN ······························································································ 25
Configuration task list················································································································ 25
Configuring data transmit rates ··································································································· 26
Configuring 802.11b/802.11g rates ······················································································· 26
Configuring 802.11n rates ··································································································· 26
Configuring the maximum bandwidth ···························································································· 28
Configuring 802.11g protection ··································································································· 29
Enabling 802.11g protection ································································································ 29
Configuring 802.11g protection mode ···················································································· 30
Configuring 802.11n protection ··································································································· 30
Enabling 802.11n protection ································································································ 30
Configuring 802.11n protection mode ···················································································· 31
Configuring scan parameters ······································································································ 31
Displaying and maintaining WLAN RRM ······················································································· 32
ii
Configuring WLAN security ······························································ 33
Overview ································································································································ 33
Authentication modes ········································································································· 33
WLAN data security ··········································································································· 34
Client access authentication ································································································ 35
Protocols and standards ····································································································· 35
Hardware compatibility with WLAN ······························································································ 35
Configuring WLAN security ········································································································ 36
Configuration task list ········································································································· 36
Enabling an authentication method ······················································································· 36
Configuring the PTK lifetime ································································································ 36
Configuring the GTK rekey method ······················································································· 37
Configuring security IE ······································································································· 38
Configuring cipher suite ······································································································ 38
Configuring port security ····································································································· 40
Displaying and maintaining WLAN security ············································································· 41
WLAN security configuration examples ························································································· 42
PSK authentication configuration example ·············································································· 42
MAC and PSK authentication configuration example ································································· 43
802.1X authentication configuration example ··········································································· 47
Supported combinations for ciphers ····························································································· 52
Configuring WLAN IDS ···································································· 55
Overview ································································································································ 55
Terminology ····················································································································· 55
Attack detection ················································································································ 55
Blacklist and white list ········································································································ 56
Hardware compatibility with WLAN ······························································································ 57
WLAN IDS configuration task list ································································································· 57
Configuring AP operating mode ·································································································· 58
Configuring attack detection ······································································································· 58
Configuring attack detection ································································································ 58
Displaying and maintaining attack detection ············································································ 58
Configuring blacklist and whitelist ································································································ 59
Configuring static lists ········································································································ 59
Configuring dynamic blacklist ······························································································· 59
Displaying and maintaining blacklist and whitelist ····································································· 60
WLAN IDS configuration examples ······························································································ 60
WLAN IDS configuration example ························································································· 60
Blacklist and whitelist configuration example ··········································································· 61
Configuring WLAN QoS ··································································· 62
Overview ································································································································ 62
Terminology ····················································································································· 62
WMM protocol ·················································································································· 62
Protocols and standards ····································································································· 64
Hardware compatibility with WLAN ······························································································ 64
Configuring WMM ···················································································································· 64
Configuration restrictions and guidelines ················································································ 64
Configuration procedure ····································································································· 65
Displaying and maintaining WMM ························································································· 66
WMM configuration examples ······························································································ 66
Troubleshooting ················································································································ 69
Configuring client rate limiting ····································································································· 70
Configuration procedure ····································································································· 70
Displaying and maintaining client rate limiting ·········································································· 70
Client rate limiting configuration example ················································································ 71
Index ··························································································· 73
1
Configuring WLAN interfaces
NOTE:
The terms AP and fat AP in this document refer to MSR800, MSR 900, MSR900-E, MSR 930, and
MSR 20-1X routers with IEEE 802.11b/g and MSR series routers installed with a SIC WLAN module.
• Wireless routers support WLAN radio interfaces, which are physical interfaces that provide
wireless network access.
• Wireless routers support WLAN BSS and WLAN Ethernet virtual interfaces. WLAN radio
interfaces on routers can be used as common physical access interfaces. They can be bound to
WLAN BSS interfaces and WLAN Ethernet interfaces.
Hardware compatibility with WLAN
WLAN is not available on the following routers:
• MSR 2600.
• MSR 30-11.
• MSR 30-11E.
• MSR 30-11F.
• MSR3600-51F.
Configuring a WLAN radio interface
WLAN radio interfaces are physical interfaces and are used for providing wireless access service.
They can be configured but cannot be removed manually.
To configure a WLAN radio interface:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter WLAN radio interface
view.
interface wlan-radio
interface-number
N/A
3. Set the description for the
interface.
description
text
Optional.
By default, the description of an
interface is its interface name
followed by the
Interface
string.
4. Specify the expected
bandwidth for the interface.
bandwidth
bandwidth-value
Optional.
5. Restore the default settings
of the WLAN radio interface.
default
Optional.
6. Shut down the WLAN radio
interface.
shutdown
Optional.
By default, a WLAN radio
interface is up.
2
Configuring a WLAN BSS interface
WLAN BSS interfaces are virtual interfaces. They operate like Layer 2 Ethernet ports. A WLAN BSS
interface supports multiple Layer 2 protocols. On a wireless router, a WLAN radio interface bound to
a WLAN BSS interface operates as a Layer 2 interface.
To configure a WLAN BSS interface:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter WLAN BSS interface
view.
interface wlan-bss
interface-number
If the WLAN BSS interface does
not exist, this command creates
the WLAN BSS interface first.
When you bind a service with a
WLAN-BSS interface in IMC,
make sure the interface number of
the WLAN BSS interface is no
greater than 31. For more
information about IMC, see H3C
Intelligent Management Center
Getting Started Guide.
3. Set the description string for
the interface.
description
text
Optional.
By default, the description string
of an interface is interface-name +
Interface
.
4. Specify the link type.
port link-type
{
access | hybrid
}
Optional.
The default is
access
.
You can add the WLAN BSS
interface to specific VLANs
depending on the link type.
For more information, see Layer
2—LAN Switching Configuration
Guide.
5. Specify an authentication
domain for MAC
authentication users.
mac-authentication domain
domain-name
By default, the default
authentication domain is used for
MAC authentication users.
6. Set the maximum number of
concurrent MAC
authentication users on the
interface.
mac-authentication max-user
user-number
Optional.
The default value is 256.
7. Specify the expected
bandwidth for the interface.
bandwidth
bandwidth-value
Optional.
8. Restore the default settings
of the WLAN BSS interface.
default
Optional.
9. Shut down the WLAN BSS
interface.
shutdown
Optional.
By default, a WLAN BSS interface
is up.
For more information about the mac-authentication domain and mac-authentication max-user
commands, see Security Command Reference.
3
WLAN Ethernet interface
WLAN Ethernet interfaces are virtual Layer 3 interfaces. They operate like Layer 3 Ethernet
interfaces. You can assign an IP address to a WLAN Ethernet interface. On a wireless router, a
WLAN radio interface bound to a WLAN Ethernet interface operates as a Layer 3 interface.
Entering WLAN Ethernet interface view
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter WLAN Ethernet
interface view.
interface wlan-ethernet
interface-number
If the WLAN Ethernet interface
does not exist, this command
creates the WLAN Ethernet
interface first.
3. Specify the expected
bandwidth for the interface.
bandwidth
bandwidth-value
Optional.
4. Restore the default settings
of the WLAN Ethernet
interface.
default
Optional.
Configuring a WLAN Ethernet interface
For a WLAN Ethernet interface, you can configure basic settings such as MTU, ARP, DHCP, and
routing protocols as listed in the following table (for information about the commands/features listed
in the following table, see related chapters in the corresponding volumes).
To configure a WLAN Ethernet interface:
Step Command
5. Configure an interface.
• qos max-bandwidth
• shutdown
• mtu
• description
• enable snmp trap updown
6. Configure ARP.
• arp max-learning-num
• arp proxy enable
• proxy-arp enable
7. Configure the interface as a BOOTP client.
ip address bootp-alloc
8. Configur
e DHCP.
Configure DHCP server
dhcp select server global-pool
Configure DHCP relay
• dhcp relay address-check
• dhcp relay information enable
• dhcp relay information format
• dhcp relay information strategy
• dhcp relay release
• dhcp relay server-select
• dhcp select relay
Configure DHCP client
ip address dhcp-alloc
9. Configure IP accounting.
• ip count firewall-denied
4
Step Command
•
ip count inbound-packets
• ip count outbound-packets
10. Assign an IP address to the interface.
ip address
11. Configure IP performance.
• ip forward-broadcast
• tcp mss
12. Configure policy-based routing.
ip policy-based-route
13. Configure UDP helper.
udp-helper server
14. Configure URPF.
ip urpf
15. Configure fast forwarding.
ip fast-forwarding
16. Configure basic IPv6 settings.
• ipv6 address
• ipv6 address auto link-local
• ipv6 mtu
• ipv6 nd autoconfig managed-address-flag
• ipv6 nd autoconfig other-flag
• ipv6 nd dad attempts
• ipv6 nd ns retrans-timer
• ipv6 nd nud reachable-time
• ipv6 nd ra halt
• ipv6 nd ra interval
• ipv6 nd ra prefix
• ipv6 nd ra router-lifetime
• ipv6 neighbors max-learning-num
• ipv6 policy-based-route
17. Configure NAT-PT.
natpt enable
18. Configure IS-IS.
• isis authentication-mode
• isis circuit-level
• isis circuit-type p2p
• isis cost
• isis dis-name
• isis dis-priority
• isis enable
• isis mesh-group
• isis small-hello
• isis timer csnp
• isis timer hello
• isis timer holding-multiplier
• isis timer lsp
• isis timer retransmit
• isis silent
19. Configure OSPF.
• ospf authentication-mode simple
• ospf authentication-mode
• ospf cost
• ospf dr-priority
• ospf mtu-enable
• ospf network-type
• ospf timer dead
• ospf timer hello
5
Step Command
•
ospf timer poll
• ospf timer retransmit
• ospf trans-delay
20. Configure RIP.
• rip authentication-mode
• rip input
• rip output
• rip metricin
• rip metricout
• rip poison-reverse
• rip split-horizon
• rip summary-address
• rip version
21. Configure IPv6 IS-IS.
isis ipv6 enable
22. Configure IPv6 OSPFv3.
• ospfv3 cost
• ospfv3 mtu-ignore
• ospfv3 timer dead
• ospfv3 timer hello
• ospfv3 timer retransmit
• ospfv3 area
• ospfv3 dr-priority
• ospfv3 trans-delay
23. Configure IPv6 RIPng.
• ripng default-route
• ripng enable
• ripng metricin
• ripng metricout
• ripng poison-reverse
• ripng split-horizon
• ripng summary-address
24. Configure basic MPLS capabilities.
• mpls
• mpls ldp
• mpls ldp advertisement
• mpls ldp timer hello-hold
• mpls ldp timer keepalive-hold
• mpls ldp transport-address
25. Configure BGP/MPLS VPN.
ip binding vpn-instance
26. Configure PPPoE.
• pppoe-server bind virtual-template
• pppoe-client dial-bundle-number
27. Configure bridge sets.
bridge-set
28. Configur
e
multicast.
Configure multicast routing
and forwarding
• multicast minimum-ttl
• multicast ipv6 minimum-hoplimit
• multicast boundary
• multicast ipv6 boundary
Configure IPv6 multicast
routing and forwarding
• multicast ipv6 minimum-hoplimit
• multicast ipv6 boundary
Configure IGMP
• igmp enable
• igmp fast-leave
• igmp group-policy
6
Step Command
•
igmp last-member-query-interval
• igmp max-response-time
• igmp require-router-alert
• igmp robust-count
• igmp send-router-alert
• igmp static-group
• igmp timer other-querier-present
• igmp timer query
• igmp version
Configure MLD
• mld enable
• mld last-listener-query-interval
• mld max-response-time
• mld require-router-alert
• mld send-router-alert
• mld robust-count
• mld timer other-querier-present
• mld timer query
• mld version
• mld static-group
• mld group-policy
• mld fast-leave
Configure PIM
• pim bsr-boundary
• pim hello-option
• pim holdtime
• pim require-genid
• pim sm
• pim dm
• pim state-refresh-capable
• pim timer graft-retry
• pim timer hello
• pim timer join-prune
• pim triggered-hello-delay
Configure IPv6 PIM
• pim ipv6 bsr-boundary
• pim ipv6 hello-option
• pim ipv6 holdtime
• pim ipv6 require-genid
• pim ipv6 sm
• pim ipv6 dm
• pim ipv6 state-refresh-capable
• pim ipv6 timer graft-retry
• pim ipv6 timer hello
• pim ipv6 timer join-prune
• pim ipv6 triggered-hello-delay
29. Configur
e QoS.
Configure traffic policing, traffic
shaping, and line rate
• qos car
• qos gts any cir
• qos gts acl
Apply a QoS policy
qos apply policy
Configure congestion
avoidance
qos max-bandwidth
7
Step Command
30. Configure firewall.
• firewall ethernet-frame-filter
• firewall packet-filter
• firewall packet-filter ipv6
• firewall aspf
31. Configure NAT.
• nat outbound
• nat outbound static
• nat server
32. Configure Portal.
• portal auth-network
• portal server
33. Configure IPsec.
ipsec policy
34. Configure the backup center.
• standby interface
• standby threshold
• standby timer delay
• standby timer flow-check
• standby bandwidth
35. Configure NetStream.
ip netstream
36. Configure NTP.
• ntp-service broadcast-client
• ntp-service broadcast-server
• ntp-service multicast-client
• ntp-service multicast-server
• ntp-service in-interface disable
37. Configure IPX.
ipx encapsulation
38. Configure port security.
• port-security authorization ignore
• port-security max-mac-count
• port-security port-mode { mac-and-psk |
mac-authentication | mac-else-userlogin-secure
| mac-else-userlogin-secure-ext | psk |
userlogin-secure | userlogin-secure-ext |
userlogin-secure-ext-or-psk |
userlogin-secure-or-mac |
userlogin-secure-or-mac-ext }
• port-security preshared-key { pass-phrase |
raw-key }
• port-security tx-key-type 11key
Displaying and maintaining a WLAN interface
Task Command Remarks
Display information about WLAN
radio interfaces.
display interface
[
wlan-radio
]
[
brief
[
down
] ] [
|
{
begin
|
exclude
|
include
}
regular-expression ]
display interface
wlan-radio
interface-number [
brief
] [
|
{
begin
|
exclude
|
include
}
regular-expression ]
Available in any view.
Display information about WLAN
BSS interfaces.
display interface
[
wlan-bss
]
[
brief
[
down
] ] [
|
{
begin
|
Available in any view.
8
Task Command Remarks
exclude
|
include
}
regular-expression ]
display interface
wlan-bss
interface-number [
brief
] [
|
{
begin
|
exclude
|
include
}
regular-expression ]
Display information about WLAN
Ethernet interfaces.
display interface
[
wlan-ethernet
] [
brief
[
down
] ]
[
|
{
begin
|
exclude
|
include
}
regular-expression ]
display interface wlan-ethernet
interface-number [
brief
] [ | {
begin
|
exclude
|
include
}
regular-expression ]
Available in any view.
9
Configuring WLAN access
The terms AP and fat AP in this document refer to MSR800, MSR 900, MSR900-E, MSR 930, and
MSR 20-1X routers with IEEE 802.11b/g and MSR series routers installed with a SIC WLAN module.
WLAN access overview
A WLAN can provide the following services:
• WLAN client connectivity to conventional 802.3 LANs
• Secured WLAN access with different authentication and encryption methods
• Seamless roaming of WLAN clients in the mobility domain
Terminology
• Client—A handheld computer or laptop with a wireless NIC or a terminal that supports WiFi.
• Access point—An AP bridges frames between wireless and wired networks.
• Fat AP—A fat AP controls and manages all associated wireless stations and bridges frames
between wired and wireless networks.
• Service set identifier—A client scans all networks at first, and then selects a specific SSID to
connect to a specific wireless network.
• Wireless medium—A medium used for transmitting frames between wireless clients. Radio
frequency is used as the wireless medium in the WLAN system.
Client access
A wireless client access process involves three steps: active/passive scanning surrounding wireless
services, authentication, and association, as shown in Figure 1.
Figure 1
Establishing a client access
Scanning
When a wireless client is operating, it usually uses both passive scanning and active scanning to get
information about surrounding wireless networks.
1. Active scanning
10
When a wireless client operates, it periodically searches for (scans) surrounding wireless
networks. During active scanning, the wireless client actively sends probe request frames and
obtains network signals from received probe response frames. Active scanning includes two
modes according to whether a specified SSID is carried in a probe request.
{ A client sends a probe request (with the SSID null, or, the SSID IE length is 0)—The
client periodically sends a probe request frame on each of its supported channels to scan
wireless networks. APs that receive the probe request send a probe response, which
carries the available wireless network information. The client associates with the AP with
the strongest signal. The active scanning mode enables a client to actively get acquainted
with the available wireless services and to access the proper wireless network as needed.
The active scanning process of a wireless client is as shown in Figure 2.
Figure 2
Active scanning (the SSID of the probe request is null or no SSID
information is carried)
{ A client sends a probe request (with a specified SSID)—When the wireless client is
configured to access a specific wireless network or has already successfully accessed a
wireless network, the client periodically sends a probe request carrying the specified SSID
of the configured or connected wireless network. When an AP that can provide the wireless
service with the specified SSID receives the probe request, it sends a probe response. This
active scanning mode enables a client to access a specified wireless network. The active
scanning process is as shown in Figure 3.
Figure 3
Active scanning (the probe request carries the specified SSID AP 1)
2. Passive scanning
Passive scanning is used by clients to discover surrounding wireless networks through listening
to the beacon frames periodically sent by an AP. All APs providing wireless services
periodically send beacons frames, so that wireless clients can periodically listen to beacon
frames on the supported channels to get information about surrounding wireless networks and
connect to an AP. Passive scanning is used by a client when it wants to save battery power.
Typically, VoIP clients adopt the passive scanning mode. The passive scanning process is as
shown in Figure 4.
Pr
ob
e
r
e
q
u
es
t
(
w
i
t
h
n
o
SSI
D
)
Pr
ob
e
r
e
q
ue
s
t
(
w
i
t
h
n
o
SSI
D
)
Pr
o
b
e
R
e
s
p
on
s
e
Pr
o
b
e
R
e
s
p
o
ns
e
11
Figure 4 Passive scanning
Authentication
To secure wireless links, the wireless clients must be authenticated before accessing the AP, and
only wireless clients passing the authentication can be associated with the AP. 802.11 links define
two authentication mechanisms: open system authentication and shared key authentication.
For more information about the two authentication mechanisms, see "Configuring WLAN security."
Association
A client that wants to access a wireless network through an AP must be associated with that AP.
Once the client chooses a compatible network with a specified SSID and passes the link
authentication to an AP, it sends an association request frame to the AP. The AP detects the
capability information carried in the association request frame, determines the capability supported
by the wireless client, and sends an association response to the client to notify the client of the
association result. Usually, a client can associate with only one AP at a time, and an association
process is always initiated by the client.
Hardware compatibility with WLAN
WLAN is not available on the following routers:
• MSR 2600.
• MSR 30-11.
• MSR 30-11E.
• MSR 30-11F.
• MSR3600-51F.
Workgroup bridge mode overview
The workgroup bridge mode enables an AP to associate with another AP as a wireless client.
As shown in Figure 5, to provide wirele
ss connectivity for the PCs and printer, you can connect them
to an AP through a hub or a switch and configure the AP as a workgroup bridge. The PCs and printer
access the network through the workgroup bridge.
12
Figure 5 Network diagram
For an AP with two radios, you can configure one radio as a workgroup bridge and configure the
other radio to provide normal access services.
As shown in Figure 6, Rad
io 1 operates as a workgroup bridge, and Radio 2 provides normal access
services. Clients associated with Radio 2 can access the network through the workgroup bridge
Radio 1.
Figure 6 Dual-radio AP in workgroup bridge mode
WLAN access configuration task list
Task Description
Specifying a country code Required.
Configuring a WLAN service template Required.
Configuring WLAN parameters Optional.
Configuring radio parameters Required.
Specifying a country code
A country code identifies the country in which you want to operate radios. It determines
characteristics such as operating power level and total number of channels available for the
transmission of frames. Set the valid country code or area code before configuring an AP.
The country code for North American models cannot be modified and that for other models can be
modified at the CLI.
To specify the country code:
Step Command Remarks
1. Enter system view.
system-view
N/A
AP
Workgroup Bridge
LAN Segment
Hub
PC
Printer
Client
AP
Workgroup Bridge
Client
Radio 1
Radio 2
13
Step Command Remarks
2. Specify the global country
code.
wlan country-code
code
By default, the country code for
North American models is US,
and for other models is CN.
Configuring a WLAN service template
Creating a service template and specifying an SSID
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Create a WLAN service
template and enter WLAN
service template view.
wlan service-template
service-template-number
{
clear
|
crypto
}
You cannot change an existing
service template to another type.
3. Specify the service set
identifier.
ssid
ssid-name N/A
4. Disable the advertising of
SSID in beacon frames.
beacon ssid-hide
Optional.
By default, the SSID is advertised
in beacon frames.
Configuring secure access
WLAN access can be secured by client authentication and data encryption. Client authentication
makes sure only authorized users can access the WLAN and data encryption makes sure the data
sent can only be received by specific users.
Client authentication includes 802.1X, PSK, and MAC authentication. Data encryption methods
include WEP, TKIP, and CCMP.
For more information about WLAN security and port security, see "Configuring WLAN security." For
more info
rmation about port security, see Security Configuration Guide.
To configure secure access:
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Create a WLAN service
template and enter WLAN
service template view.
wlan service-template
service-template-number
{
clear
|
crypto
}
You cannot change an existing
service template to another type.
3. Configure an authentication
method.
authentication-method
{
open-system
|
shared-key
}
By default, the open-system
authentication method is used.
For more information about the
command, see WLAN Command
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