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February 27, 2009 Page 1 of 43
Switch 4210 V3.01.09 Release Notes
Keywords: BOOTROM, Web, Version information, Usage Limitations, Version Changes, Unresolved
Problems, Resolved Problems, Version Compatibility Table, Software Upgrading.
Abstract: version information, updating, unresolved Problems and Avoidance Measures, List of
Solved Problems.
Acronyms:
Acronym Full spelling
ACL Access Control List
ARP Address Resolution Protocol
BPDU Bridge Protocol Data Unit
BPS Bit Per Second
CLI Command Line Interface
DHCP Dynamic Host Configuration Protocol
DSCP Differentiated Services Codepoint Priority
EAP Extensible Authentication Protocol
EPON Ethernet Passive Optical Network
FTP File Transfer Protocol
GARP Generic Attribute Registration Protocol
GVRP GARP VLAN Registration Protocol
HGMP Huawei Group Management Protocol
HQ High-Priority Queuing
HGMP Huawei Group Management Protocol
IGMP Internet Group Management Protocol
IP Internet Protocol
LACP Link Aggregation Control Protocol
MAC Media Access Control
MIB Manage Information Base
MSTP Multiple Spanning Tree Protocol
NDP Neighbor Discover Protocol
NTDP Neighbor Topology Discovery Protocol
February 27, 2009 Page 2 of 43
Acronym Full spelling
NTP Network Time Protocol
ONU Optical Network Unit
PEAP Protected Extensible Authentication Protocol
QOS Quality of Service
RADIUS Remote Authentication Dial-In User Service
RMON Remote Monitoring
RSPAN Remote Switched Port Analyzer
RSTP Rapid Spanning Tree Protocol
SNMP Simple Network Management Protocol
SSH Secure Shell
STP Spanning Tree Protocol
TCP Transfer Control Protocol
TFTP Trivial File Transfer Protocol
UDP User Datagram Protocol
VCT Virtual Cable Test
VLAN Virtual Local Area Network
VFS Virtual File System
WRR Weighted Round Robin
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 3 of 43
Table of Contents
Version Information·········································································································································5
Version Number ·········································································································································5
Version History··········································································································································· 5
Hardware and Software Compatibility Matrix····························································································· 6
Restrictions and Cautions······························································································································7
Feature List ······················································································································································8
Hardware Features ···································································································································· 8
Software Features······································································································································ 9
Version Updates ············································································································································11
Feature Updates ······································································································································11
Command Line Updates ··························································································································14
MIB Updates ············································································································································19
Configuration Changes ····························································································································20
Configuration Changes in V3.01.09 ·································································································20
Operation Changes in V3.01.09 ······································································································· 20
Configuration Changes in V3.01.06 ·································································································21
Operation Changes in V3.01.06 ······································································································· 21
Configuration Changes in V3.01.04 ·································································································22
Operation Changes in V3.01.04 ······································································································· 22
Open Problems and Workarounds ··············································································································22
List of Resolved Problems ···························································································································22
Resolved Problems in V3.01.09··············································································································· 22
Resolved Problems in V3.01.08··············································································································· 24
Resolved Problems in V3.01.06··············································································································· 25
Resolved Problems in V3.01.05··············································································································· 30
Resolved Problems in V3.01.04··············································································································· 30
Resolved Problems in V3.01.03··············································································································· 35
Resolved Problems in V3.01.02··············································································································· 36
Resolved Problems in V3.01.01··············································································································· 36
Related Documentation·································································································································36
Software Upgrading·······································································································································36
Remote Upgrading through CLI ··············································································································· 37
Boot Menu················································································································································38
Software Upgrading via Console Port (Xmodem Protocol)······································································39
Software Upgrading via Ethernet Interface (FTP/TFTP)·········································································· 41
Software Upgrading via TFTP ·········································································································· 41
Software Upgrading via FTP ············································································································ 42
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 4 of 43
List of Tables
Table 1 Version history .............................................................................................................................. 5
Table 2 Hardware and software compatibility matrix................................................................................. 6
Table 3 4210 Series hardware features..................................................................................................... 8
Table 4 4210 PWR Series hardware features ........................................................................................... 8
Table 5 4210 Series software features ...................................................................................................... 9
Table 6 Feature updates...........................................................................................................................11
Table 7 Command line updates............................................................................................................... 14
Table 8 MIB updates................................................................................................................................ 19
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 5 of 43
Version Information
Version Number
Version Information:
3Com OS V3.01.09s56
3Com OS V3.01.09s168
Note: You can see the version number with the command display version in any view. Please see
Note①.
Version History
Table 1 Version history
Version number Last version Release Date Remarks
V3.01.09s56
V3.01.09s168
V3.01.08s56
V3.01.08s168
2009-02-25 None
V3.01.08s56
V3.01.08s168
V3.01.06s56
V3.01.06s168
2008-12-04 None
V3.01.06s56
V3.01.06s168
V3.01.05s56
V3.01.05s168
2008-06-23 None
V3.01.05s56
V3.01.05s168
V3.01.04s56
V3.01.04s168
2008-05-05 None
V3.01.04s56
V3.01.04s168
V3.01.03s56
V3.01.03s168
2007-12-21
Support Switch 4210
52-port
V3.01.03s56
V3.01.03s168
V3.01.02s56
V3.01.02s168
2007-09-18 None
V3.01.02s56
V3.01.02s168
V3.01.01s56
V3.01.01s168
2007-09-05 None
V3.01.01s56
V3.01.01s168
None 2007-08-03 First release
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 6 of 43
Hardware and Software Compatibility Matrix
Table 2 Hardware and software compatibility matrix
Item Specifications
Product family 4210 series
Hardware platform
Switch 4210 9-Port
Switch 4210 18-port
Switch 4210 26-port
Switch 4210 PWR 9-port
Switch 4210 PWR 18-port
Switch 4210 PWR 26-port
Switch 4210 52-port
Minimum memory
requirements
64M
Minimum Flash
requirements
8M
V4.06 or higher (Note: Perform the command display version
command in any view to view the version information. Please see
Note
②
)
Boot ROM version
Host software
s4o03_01_09s56.app
s4o03_01_09s168.app
DM Version 3Com DM V4.0 SP07 R0002
iMC Version iMC ACLM 3.20-R2602
iMC iCC 3.20-R2602
iMC PLAT 3.20-R2602
iMC UAM 3.60-E6102
iNode Version iNode PC 3.60-C6110
Web version s4p01_08
Remarks
The web file and application file (.bin) are two different files.
Both Quidview and the iMC should be purchased separately.
When using Quidview to upgrade the device’s software, you need to
select the newest software version manually.
Specific explanation must be given as to such issues as backward compatibility.
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 7 of 43
Sample:To display the host software and Boot ROM version of the switch 4210, perform the following:
<4210> display version
3Com Corporation
3Com Switch 4210 PWR 18-Port Software Version 3Com OS V3.01.09s56 ------- Note①
Copyright (c) 2004-2009 3Com Corporation and its licensors, All rights reserved.
3Com Switch 4210 PWR 18-Port uptime is 0 week, 0 day, 5 hours, 49 minutes
3Com Switch 4210 PWR 18-Port with 1 Processor
64M bytes SDRAM
8M bytes Flash Memory
Config Register points to FLASH
Hardware Version is REV.A
Bootrom Version is 4.06 ------ Note②
CPLD Version is 001
[Subslot 0] 16FE+2Combo SFP Hardware Version is REV.A
Restrictions and Cautions
Restriction 1
When 802.1x or centralized MAC authentication is enabled on device, if the packets' source MAC
address is not leant on port after authentication process, these packets will be trapped to CPU, if lots
of this kind of packets rush to CPU, the user could enable attack-protection on access port to avoid
potential under this situation.
Restriction 2
Problems in forwarding and MIB statistics
1. The packets which source MAC addresses are multicast or zero can be forward according to the
destination MAC address and the zero MAC address can be learned in ARL, but the zero MAC
address is filtered in displaying.
2. The packet flows can’t be balanced in more than one port which work in half duplex mode and flow-
control are enabled. At the same time, here are a lot of abort packets in port MIB statistics. When the
speed of send packets is less than 100M, the flow-control of half duplex is OK.
3. The packet which length is larger than 1518 bytes will be counted in the giants.
4. The etherStatsUndersizePkts MIB statistics are not very precise.
Restriction 3
When MAC address number reaches to the max-count on the port which mac-address max-mac-
count is enabled, the port will drop the BPDU packets directly (include STP, dot1X, NDP packet).
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 8 of 43
Feature List
Hardware Features
Table 3 4210 Series hardware features
Item
Switch 4210 9-
Port
Switch 4210 18-
port
Switch 4210
26-port
Switch 4210
52-port
Physical
dimensions(H * W *
D)
43.6mm
×230mm×160mm
43.6mm
×360mm×160mm
43.6mm
×440mm×160m
m
43.6mm
×440mm×230
mm
Weight ≤ 3 kg ≤ 3 kg ≤ 3 kg ≤ 5.5 kg
Service ports
8 10/100Base-TX
ports and 1
Combo port
16 10/100Base-
TX ports and 2
Combo ports
24 10/100Base-
TX ports and 2
Combo ports
48
10/100Base-
TX ports, 2
10/100/1000B
ase-TX ports
and 2 SFP
fiber ports
put voltage
AC:
Rated Voltage range: 100V~240V AC ;50/60Hz
Max Voltage range:90~264V AC ; 47Hz~63Hz
DC(RPS):
Rated Voltage range: -52V~-56V DC
Maximum power 10W 12W 14W 25W
Operating
temperature
0
0
C~45
0
C
Operating humidity 10%~90%
Table 4 4210 PWR Series hardware features
Item
Switch 4210 PWR 9-
port
Switch 4210 PWR
18-port
Switch 4210 PWR
26-port
Physical dimensions(H *
W * D)
43.6mm
×300mm×220mm
43.6mm
×300mm×260mm
43.6mm
×440mm×420mm
Weight ≤ 3 kg ≤ 3.5 kg ≤ 6.5 kg
Service ports
8 10/100Base-TX
ports and 1 Combo
port
16 10/100Base-TX
ports and 2 Combo
ports
24 10/100Base-TX
ports and 2 Combo
ports
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 9 of 43
Item
Switch 4210 PWR 9-
port
Switch 4210 PWR
18-port
Switch 4210 PWR
26-port
put voltage
Switch 4210 PWR 26-port supports AC and DC(RPS) input, the others
just support AC input.
AC:
Rated Voltage range: 100V~240V AC ;50/60Hz
Max Voltage range:90~264V AC ; 47Hz~63Hz
DC(RPS):
Rated Voltage range: -52V~-56V DC
Maximum power 95W, PoE: 65W 160W, PoE: 125W
AC: 465W, PoE:
370W
DC: 400W, PoE:
370W
Operating temperature 0
0
C~45
0
C
Operating humidity 10%~90%
Software Features
Table 5 4210 Series software features
Category Features
Switch mode Support Store and Forward
VLAN Up to 4K IEEE 802.1Q VLANs(Virtual Local Area Network)
VLAN interface Support one VLAN interface
Broadcast suppression Support broadcast suppression based on percent of port band
multicast IGMP Snooping(Internet Group Management Protocol Snooping)
256 multicast entries
Unknown multicast
drop
Support
STP Support STP/RSTP/MSTP
Link-aggregation LACP
Manually aggregation
8 ports in one group
Switch 4210 26-port and Switch 4210 PWR 26-port support 3 groups, the
others support 2 groups.
Switch 4210 52-port supports 6 groups of link-aggregation. Up to 8 ports
in one link-aggregation group
Port mirroring Support one to multiple mirror (one monitor port, no limit of mirrored
ports)
Port isolate Support
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 10 of 43
Category Features
Loopback-detection Support
Port loopback test
(interloop and
exterloop)
Support
MAC Address Support MAC address learning automatically
Accord with IEEE 802.1D
Up to 8K MAC Addresses
Up to 1K static MAC Addresses
Support adding dynamic, static unicast MAC and black-hole MAC
Addresses
Flow-control Support IEEE 802.3x flow-control(full duplex)
Support Back-pressure based flow control(half duplex)
Updating Support updating through XModem, FTP(File Transfer Protocol) and
TFTP(Trivial File Transfer Protocol)
Management Support CLI
Support Telnet
Support Console
Support SNMP(Simple Network Management Protocol)
Support RMON(Remote Monitoring)1,2,3,9 group MIB
Support HGMP V2
Support QuidView network management
Support WEB network management
Support log
Support alarm
Support IPv6 management
Maintenance Support debugging
Support PING(Packet Internet Groper),Traceroute
Support remote maintenance via Telnet
Support VCT(Virtual Cable Test)
Support remote-ping
QoS/ACL 4 output queues per port
Support 802.1p priority, DSCP(Differentiated Services Codepoint
Priority)priority ,ip-precedence priority
Support WRR(Weighted Round Robin),HQ+WRR(High-Priority Queuing
+ WRR) queue-schedule
Support line-rate bi-direction per port, minimum granularity 64 Kbit/s
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 11 of 43
Category Features
Security Support user classification and password protection
Support Guest VLAN
Support IEEE 802.1X
Support centralized MAC authentication
Support SSH 2.0
Support Port-Security
DHCP(Dynamic Host
Configuration
Protocol)
Support DHCP Client
Support DHCP snooping
NTP Support
Version Updates
Feature Updates
Table 6 Feature updates
Version number Item Description
Hardware feature updates
New features: None
Deleted features: None
V3.01.09
Software feature updates
New features:
Support Https
Support ignore attribute of
radius
Support assign line rate by
radius
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.08
Software feature updates
New features:
Support auto VLAN
Support speed auto
Support auto Power-Down
Support POE time on/off
Support GVRP
Support MVR
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 12 of 43
Version number Item Description
Support storm constrain
Support LLDP
Support VLAN VPN(Tunnel)
Support Hwtacacs
Support DHCP snooping
server guard
Support IGMP snooping
nonflooding
Support PKI
Support DHCP auto config
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.06
Software feature updates
New features:
Support Link delay
Support bootrom MIB
Support stop-accounting MIB
Support batch configuration of
loopback-detection
Support loopback-detection
shutdown mode
Support the source MAC
address consistency check of
ARP packet
Support multicast special-
query modifying source IP
DHCP client supports default
router
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.05
Software feature updates
New features: None
Deleted features: None
Modified features: None
V3.01.04
Hardware feature updates
New features: Switch 4210 52-
port
Deleted features: None
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 13 of 43
Version number Item Description
Software feature updates
New features:
Support FTP disconnect
Support RSA import key
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.03
Software feature updates
New features:
Support for the function of
adding multicast MAC address
manually
Newly support 100Base-FX
SFP Transceiver - Dual
Mode(3CSFP9-81), 100Base-
LX10 SFP Transceiver - Dual
Mode(3CSFP9-82) SFP
module
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.02
Software feature updates
New features: None
Deleted features: None
Modified features: None
Hardware feature updates
New features: None
Deleted features: None
V3.01.01
Software feature updates
New features: None
Deleted features: None
Modified features: None
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 14 of 43
Command Line Updates
Table 7 Command line updates
Version number Item Description
New commands
Command 1
Syntax:
attribute-ignore { standard | vendor vendor-id
} type type-value
undo attribute-ignore { all | standard | vendor
vendor-id }
View : radius scheme view
Parameter:
vendor-id: Specify the vendor ID of radius
attribute that should be ignored. Range from
1~16777215.
Type-value: Specify the type value of radius
attribute that should be ignored. Range from
1~255. The maximum configured counts of this
value are 8.
Description: It is used to configure the radius
attribute ignore.
Example:
# Configure ignore “81” standard attribute of radius
scheme “system”.
[4210]radius scheme system
[4210-radius-system]attribute-ignore standard type
81
Removed commands None
V3.01.09
Modified commands None
New commands Please refer to the manuals.
Removed commands None
V3.01.08
Modified commands None
V3.01.06
New commands
Syntax:
[undo]link-delay value
View : interface view
Parameter:
value: Specify the delay time.
Description: It is used to configure the link-down
delay time. Unit: second, Range: 2~10
Example:
# Configure delay time of Ethernet1/0/1 to 5
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 15 of 43
Version number Item Description
seconds.
[4210-Ethernet1/0/1]link-delay 5
Command 2
Syntax:
[undo]loopback-detection interface-list enable
View : system view
Parameter:
interface-list: Specify the port list. The expression
is as descript below:
interface-list = { interface-type interface-number
[ to interface-type interface-number ] }&<1-10>
Description: It is used to batch configure the
loopback-detection function on the ports.
Example:
# Configure Ethernet1/0/1 to Ethernet1/0/5
loopback-detection enable.
[4210]loopback-detection ethernet1/0/1 to ethernet
1/0/5 enable
Command 3
Syntax:
[undo]loopback-detection shutdown enable
View : interface view
Parameter: None
Description: It is used to configure the loopback-
detection shutdown mode.
Example:
# Configure Ethernet1/0/1 loopback-detection
shutdown enable.
[4210-Ethernet1/0/1]loopback-detection shutdown
enable
Command 4
Syntax:
[undo]arp anti-attack valid-check enable
View : system view
Parameter: None
Description: It is used to configure the source
MAC address consistency check of ARP packet. It
is disabled in default. Once enable this function,
the ARP packet will be dropped if the source MAC
address in layer 2 is not equal to the source MAC
address in layer 3.
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 16 of 43
Version number Item Description
Example:
# Configure ARP anti-attack check enable.
[4210] arp anti-attack valid-check enable
Removed commands None
Modified commands None
New commands None
Removed commands None
V3.01.05
Modified commands None
V3.01.04
New commands
Command 1
Syntax:
ftp disconnect user-name
View: System view
Parameter:
user-name: Name of the user to be disconnected
from the FTP server. Note that the host name can
be a string comprising 1 to 184 characters.
Description:
Use the command to terminate the connection
between a specified user and the FTP server.
Example:
# Disconnect the user named “admin” from the
FTP server.
[4210] ftp disconnect admin
Command2
Syntax:
rsa peer-public-key keyname import sshkey
filename
undo rsa peer-public-key keyname
View: System view
Parameter:
keyname: Name of the public key to be
configured, a string of 1 to 64 characters.
filename: Name of a public key file, a string of 1 to
142 characters.
Description:
Use the rsa peer-public-key import sshkey
command to import a peer public key from the
public key file.
Use the undo rsa peer-public-key command to
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 17 of 43
Version number Item Description
remove the setting.
After execution of this command, the system
automatically transforms the public key file into
PKCS format, and imports the peer public key.
This requires that you get a copy of the public key
file from the peer through FTP/TFTP.
Example:
# Transform the format of client public key file abc
and configure a public key named 123.
[4210] rsa peer-public-key 123 import sshkey abc
Removed commands None
Modified commands None
V3.01.03
New commands
Command 1
Syntax:
display mac-address multicast [ static
[ { {
mac-address vlan vlan-id | vlan vlan-id }
[
count ] } | count ] ]
View: Any view
Parameter:
static: Displays static multicast MAC address
entries.
mac-address
vlan vlan-id: Displays multicast
MAC address entry/entries in the specified VLAN.
count: Displays the number of MAC entries.
vlan-id: ID of the specific VLAN.
Description:
Use the display mac-address multicast command
to display the multicast MAC address entry/entries
manually configured on the switch.
Executing this command with neither mac-address
vlan vlan-id nor vlan vlan-id will display the
information about all the multicast MAC address
entries manually added on the switch, including
the multicast MAC address, VLAN ID, state of the
MAC address, port number and aging time.
Executing this command with vlan vlan-id but
without mac-address will display the information
about all the multicast MAC address entries
manually added in the specified VLAN, including
the multicast MAC address, VLAN ID, state of the
MAC address, port number and aging time.
Executing this command with both mac-address
and vlan vlan-id will display the information about
the multicast MAC address entries manually
added in the specified VLAN with the specified
multicast MAC address, including the multicast
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 18 of 43
Version number Item Description
MAC address, VLAN ID, state of the MAC
address, port number and aging time.
Executing this command with count will display the
information about the number of multicast MAC
address entries added on the switch.
Example:
<4210>display mac-address multicast static vlan 1
Command 2
Syntax:
mac-address multicast mac-address interface
interface-list
vlan vlan-id
undo mac-address multicast [ mac-address
[ interface interface-list ] vlan vlan-id ]
View: System view
Parameter:
mac-address: Multicast MAC address.
vlan-id: VLAN ID.
interface-list: Defines one or multiple forwarding
ports. You can provide up to 10 port lists, by each
of which you can specify an individual port in the
form of
interface-type interface-number, or a port
range in the form of
interface-type start-interface-
number
to interface-type end-interface-number,
where the end port number must be greater than
the start port number. Refer to the parameter
description in the “Port Basic Configuration” part in
this manual.
Description:
Use the mac-address multicast command to add a
multicast MAC address entry.
Use the undo mac-address multicast command to
remove a multicast MAC address entry.
Each multicast MAC address entry contains
multicast address, forward port, VLAN ID, and so
on.
Related command: display mac-address multicast
static.
Example:
[4210] mac-address multicast 0100-5e0a-0805
interface Ethernet 1/0/1 vlan 1
Command 3
Syntax:
mac-address multicast mac-address vlan
vlan-id
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 19 of 43
Version number Item Description
undo mac-address multicast [ [ mac-
address
] vlan vlan-id ]
View: Ethernet port view
Parameter:
mac-address: Multicast MAC address.
vlan-id: VLAN ID.
Description:
Use the mac-address multicast vlan command to
add a multicast MAC address entry.
Use the undo mac-address multicast vlan
command to remove a multicast MAC address
entry.
Each multicast MAC address entry contains
multicast address, VLAN ID, and so on.
Related command: display mac-address multicast
static.
Example:
[4210-Ethernet1/0/1] mac-address multicast 0100-
1000-1000 vlan 1
Removed commands None
Modified commands None
New commands None
Removed commands None
V3.01.02
Modified commands None
New commands None
Removed commands None
V3.01.01
Modified commands None
MIB Updates
Table 8 MIB updates
Version number Item MIB file Module Description
V3.01.09 New None None None
Switch 4210 V3.01.09 Release Notes
February 27, 2009 Page 20 of 43
Version number Item MIB file Module Description
Modified
a3com_domain_tr
ee.c
h3c_domain_tree.
c
h3cDomainV
lanAssignMo
de
The VLAN assignment
mode. The mode should
be the same as the mode
of corresponding server.
1 (integer) - Integer Vlan
assignment mode.
2 (string) - String Vlan
assignment mode.
3 (vlanlist) - VLAN-List
VLAN assignment mode.
The default value is
integer.
The 3rd mode is to
support auto-VLAN
feature, which is started to
support on the new
software version.
New None None None
V3.01.08
Modified
IEEE8021-PAE-
MIB
dot1xPaePor
tInitialize
This node did not function
in the past. After modified,
its function becomes:
Setting this attribute to
TRUE causes the port
cuts all its 802.1x users,
The attribute value reverts
to FALSE once cutting
operations is completed.
Setting this attribute to
FALSE has no effect.
This attribute always
returns FALSE when it is
read.
New h3c-radius.mib
H3C-
RADIUS
Support accounting-on
MIB
V3.01.06
Modified None None None
Configuration Changes
Configuration Changes in V3.01.09
None
Operation Changes in V3.01.09
1) Modification of initializing device when inserting console loopback connector
Before Modification:
Reboot device when insert console loopback connector into switch console port.
/