H3C S3600-52PEI Operating instructions

Brand: H3C

Model: S3600-52PEI

Category: Network switches

Type: Operating instructions

This manual is also suitable for

Operation Manual – Port Basic Configuration

H3C S3600 Series Ethernet Switches-Release 1510 Table of Contents

Table of Contents

Chapter 1 Port Basic Configuration ............................................................................................1-1

1.1 Ethernet Port Overview......................................................................................................1-1

1.1.1 Types and Numbers of Ethernet Ports....................................................................1-1

1.1.2 Link Types of Ethernet Ports...................................................................................1-2

1.1.3 Configuring the Default VLAN ID for an Ethernet Port............................................1-2

1.1.4 Adding an Ethernet Port to Specified VLANs..........................................................1-3

1.2 Ethernet Port Configuration...............................................................................................1-4

1.2.1 Initially Configuring a Port.......................................................................................1-4

1.2.2 Limiting Traffic on individual Ports ..........................................................................1-5

1.2.3 Enabling Flow Control on a Port .............................................................................1-5

1.2.4 Configuring Access Port Attribute...........................................................................1-6

1.2.5 Configuring Hybrid Port Attribute ............................................................................1-6

1.2.6 Configuring Trunk Port Attribute..............................................................................1-7

1.2.7 Copying the Configuration of a Port to Other Ports ................................................1-7

1.2.8 Configuring Loopback Detection for an Ethernet Port ............................................1-8

1.2.9 Configuring the Ethernet Port to Run Loopback Test...........................................1-10

1.2.10 Enabling the System to Test Connected Cable..................................................1-11

1.2.11 Configuring the Interval to Perform Statistical Analysis on Port Traffic .............. 1-11

1.2.12 Enabling Giant-Frame Statistics Function...........................................................1-11

1.2.13 Displaying Basic Port Configuration....................................................................1-12

1.3 Ethernet Port Configuration Example..............................................................................1-13

1.4 Troubleshooting Ethernet Port Configuration.................................................................. 1-14

Operation Manual – Port Basic Configuration

H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1 Port Basic Configuration

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Chapter 1 Port Basic Configuration

1.1 Ethernet Port Overview

1.1.1 Types and Numbers of Ethernet Ports

Table 1-1 lists the types and numbers of the ports available on the H3C S3600 series

Ethernet switches.

Table 1-1 Models in the S3600 series

Model

Number of

service

ports

Number of 100

Mbps ports

Number of

1000 Mbps

uplink ports

Console port

H3C

S3600-28P

-SI

24 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-28P

-PWR-SI

24 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-28T

P-SI

24 10/100 Mbps

(electrical)

2 (SFP)

10/100/1000

Mbps

(electrical)

H3C

S3600-52P

-SI

48 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-28P

-EI

24 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-28F

-EI

24 100 Mbps

(SFP)

2 (SFP)

10/100/1000

Mbps

(electrical)

H3C

S3600-28P

-PWR-EI

24 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-52P

-EI

48 10/100 Mbps

(electrical)

4 (SFP) 1

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Model

Number of

service

ports

Number of 100

Mbps ports

Number of

1000 Mbps

uplink ports

Console port

H3C

S3600-52P

-PWR-EI

48 10/100 Mbps

(electrical)

4 (SFP) 1

H3C

S3600-52P

-PWR-SI

48 10/100 Mbps

(electrical)

4 (SFP) 1

1.1.2 Link Types of Ethernet Ports

An Ethernet port on an S3600 switch can operate in one of the three link types:

z Access: An access port can belong to only one VLAN, and is generally used to

connect user PCs.

z Trunk: A trunk port can belong to more than one VLAN. It can receive/send

packets from/to multiple VLANs, and is generally used to connect another switch.

z Hybrid: A hybrid port can belong to more than one VLAN. It can receive/send

packets from/to multiple VLANs, and can be used to connect either a switch or

user PCs.

 Note:

A hybrid port allows the packets of multiple VLANs to be sent without tags, but a trunk

port only allows the packets of the default VLAN to be sent without tags.

You can configure all the three types of ports on the same device. However, note that

you cannot directly switch a port between trunk and hybrid and you must set the port as

access before the switching. For example, to change a trunk port to hybrid, you must

first set it as access and then hybrid.

1.1.3 Configuring the Default VLAN ID for an Ethernet Port

An access port can belong to only one VLAN. Therefore, the VLAN an access port

belongs to is also the default VLAN of the access port. A hybrid/trunk port can belong to

several VLANs, and so a default VLAN ID for the port is required.

After you configure default VLAN IDs for Ethernet ports, the packets passing through

the ports are processed in different ways depending on different situations. See

Table

1-2 for details.

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Table 1-2 Processing of incoming/outgoing packets

Processing of an incoming packet

Port

type

If the

packet

does not

carry a

VLAN tag

If the packet carries a

VLAN tag

Processing of an outgoing

packet

Access

z If the VLAN ID is just

the default VLAN ID,

receive the packet.

z If the VLAN ID is not

the default VLAN ID,

discard the packet.

Deprive the tag from the packet

and send the packet.

Trunk

z If the VLAN ID is just the

default VLAN ID, deprive

the tag and send the packet.

z If the VLAN ID is not the

default VLAN ID, keep the

original tag unchanged and

send the packet.

Hybrid

Receive

the packet

and add

the default

tag to the

packet.

z If the VLAN ID is just

the default VLAN ID,

receive the packet.

z If the VLAN ID is not

the default VLAN ID

but is one of the

VLAN IDs allowed to

pass through the

port, receive the

packet.

z If the VLAN ID is

neither the default

VLAN ID, nor one of

the VLAN IDs

allowed to pass

through the port,

discard the packet.

Send the packet if the VLAN ID

is allowed to pass through the

port. Use the port hybrid vlan

command to configure whether

the port tags the packet when

sending a packet in this VLAN

(including default VLAN).

Caution:

You are recommended to set the default VLAN ID of the local hybrid or trunk ports to

the same value as that of the hybrid or trunk ports on the peer switch. Otherwise,

packet forwarding may fail on the ports.

1.1.4 Adding an Ethernet Port to Specified VLANs

You can add the specified Ethernet port to a specified VLAN. After that, the Ethernet

port can forward the packets of the specified VLAN, so that the VLAN on this switch can

intercommunicate with the same VLAN on the peer switch.

An access port can only be added to one VLAN, while hybrid and trunk ports can be

added to multiple VLANs.

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 Note:

The access ports or hybrid ports must be added to an existing VLAN.

1.2 Ethernet Port Configuration

1.2.1 Initially Configuring a Port

Table 1-3 Initially configure a port

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Enable the Ethernet port

undo shutdown

Optional

By default, the port is

enabled.

Use the shutdown

command to disable the

port.

Set the description of the

Ethernet port

description text

Optional

By default, no description

is defined for the port.

Set the duplex mode of

the Ethernet port

duplex { auto | full | half }

Optional

By default, the duplex

mode of the port is auto

(auto-negotiation).

Set the speed of the

Ethernet port

speed { 10 | 100 | 1000 |

auto }

Optional

By default, the speed of

the port is auto

(auto-negotiation).

Set the medium

dependent interface

(MDI) attribute of the

Ethernet port

mdi { across | auto |

normal }

Optional

Be default, the MDI

attribute of the port is

auto.

Allow jumbo frames that

are not larger than 9216

bytes to pass through the

Ethernet port

jumboframe enable

Optional

By default, jumbo frames

that are not larger than

9216 bytes are allowed to

pass through the port.

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1.2.2 Limiting Traffic on individual Ports

By performing the following configurations, you can limit different types of incoming

traffic on individual ports. When a type of incoming traffic exceeds the threshold you set,

the system drops the packets exceeding the traffic limit to reduce the traffic ratio of this

type to the reasonable range, so as to keep normal network service.

Table 1-4 Limit traffic on port

Operation Command Remarks

Enter system view

system-view

—

Limit broadcast traffic

received on each port

broadcast-suppression

{ ratio | pps max-pps }

Optional

By default, the switch

does not suppress

broadcast traffic.

Enter Ethernet port view

interface interface-type

interface-number

—

Limit broadcast traffic

received on the current

port

broadcast-suppression

{ ratio | pps max-pps }

Optional

By default, the switch

does not suppress

broadcast traffic.

Limit multicast traffic

received on the current

port

multicast-suppression

{ ratio | pps max-pps }

Optional

By default, the switch

does not suppress

multicast traffic.

Limit unknown unicast

traffic received on the

current port

unicast-suppression

{ ratio | pps max-pps }

Optional

By default, the switch

does not suppress

unknown unicast traffic.

1.2.3 Enabling Flow Control on a Port

Flow control is enabled on both the local and peer switches. If congestion occurs on the

local switch:

z The local switch sends a message to notify the peer switch of stopping sending

packets to itself or reducing the sending rate temporarily.

z The peer switch will stop sending packets to the local switch or reduce the sending

rate temporarily when it receives the message; and vice versa. By this way, packet

loss is avoided and the network service operates normally.

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Table 1-5 Enable flow control on a port

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Enable flow control on the

Ethernet port

flow-control

By default, flow control is

not enabled on the port.

1.2.4 Configuring Access Port Attribute

Table 1-6 Configure access port attribute

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Set the link type of the

port to access

port link-type access

Optional

By default, the link type of

a port is access.

Add the current access

port to a specified VLAN

port access vlan vlan-id

Optional

1.2.5 Configuring Hybrid Port Attribute

Table 1-7 Configure hybrid port attribute

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface

interface-type

interface-number

—

Set the link type of the

port to hybrid

port link-type hybrid

Required

Set the default VLAN ID

for the hybrid port

port hybrid pvid vlan

vlan-id

Optional

If no default VLAN ID is set

for a hybrid port, VLAN 1

(system default VLAN) is

used as the default VLAN of

the port.

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Operation Command Remarks

Add the current hybrid

port to a specified VLAN

port hybrid vlan

vlan-id-list { tagged |

untagged }

Optional

For a hybrid port, you can

configure whether the

system keeps VLAN tags

when the packets of the

specified VLANs are

forwarded on this port.

1.2.6 Configuring Trunk Port Attribute

Table 1-8 Configure trunk port attribute

Operation Command Remarks

Enter system view

System-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Set the link type of the

port to trunk

port link-type trunk

Required

Set the default VLAN ID

for the trunk port

port trunk pvid vlan

vlan-id

Optional

If no default VLAN ID is

set for a trunk port, VLAN

1 (system default VLAN)

is used as the default

VLAN of the port.

Add the current trunk port

to a specified VLAN

port trunk permit vlan

{ vlan-id-list | all }

Optional

1.2.7 Copying the Configuration of a Port to Other Ports

To make some other ports have the same configuration as that of a specific port, you

can copy the configuration of the specific port to the ports.

Specifically, the following types of port configuration can be copied from one port to

other ports: VLAN configuration, protocol-based VLAN configuration, LACP

configuration, QoS configuration, GARP configuration, STP configuration and initial

port configuration.

z VLAN configuration: includes IDs of the VLANs allowed on the port and the default

VLAN ID of the port;

z Protocol-based VLAN configuration: includes IDs and indexes of the

protocol-based VLANs allowed on the port;

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z Link aggregation control protocol (LACP) configuration: includes LACP

enable/disable status;

 Note:

The copy command can only be used to copy the configuration of LACP’s enable state,

but not to copy the configuration of aggregation group, i.e., you can not add a port to the

aggregation group bye the command.

z QoS configuration: includes rate limit, port priority, and default 802.1p priority on

the port;

z STP configuration: includes STP enable/disable status on the port, link attribute on

the port (point-to-point or non-point-to-point), STP priority, path cost, packet

transmission rate limit, whether loop protection is enabled, whether root protection

is enabled, and whether the port is an edge port;

z Generic attribute registration protocol (GARP) configuration: includes GVRP

enable/disable status, timer settings, and registration mode;

z Port configuration: includes link type of the port, port rate and duplex mode.

Table 1-9 Copy the configuration of a port to other ports

Operation Command Remarks

Enter system view

system-view

—

Copy the

configuration of a

port to other ports

copy configuration source

{ interface-type interface-number |

aggregation-group source-agg-id }

destination { interface-list

[ aggregation-group destination-agg-id ] |

aggregation-group destination-agg-id }

Required

 Note:

z If you specify a source aggregation group ID, the system will use the port with the

smallest port number in the aggregation group as the source.

z If you specify a destination aggregation group ID, the configuration of the source

port will be copied to all ports in the aggregation group and all ports in the group will

have the same configuration as that of the source port.

1.2.8 Configuring Loopback Detection for an Ethernet Port

Loopback detection is used to monitor if loopback occurs on a switch port.

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After you enable loopback detection on Ethernet ports, the switch can monitor if

external loopback occurs on them. If there is a loopback port found, the switch will put it

under control.

z If loopback is found on an access port, the system disables the port, sends a Trap

message to the client and removes the corresponding MAC forwarding entry.

z If loopback is found on a trunk or hybrid port, the system sends a Trap message to

the client. When the loopback port control function is enabled on these ports, the

system disables the port, sends a Trap message to the client and removes the

corresponding MAC forwarding entry.

Table 1-10 Set loopback detection for an Ethernet port

Operation Command Remarks

Enter system view

system-view

—

Enable loopback

detection globally

loopback-detection

enable

Optional

By default, loopback

detection is disabled

globally.

Set time interval for port

loopback detection

loopback-detection

interval-time time

Optional

The default interval is 30

seconds.

Enter Ethernet port view

interface interface-type

interface-number

—

Enable loopback

detection on a specified

port

loopback-detection

enable

Optional

By default, port loopback

detection is disabled.

Enable loopback port

control on the trunk or

hybrid port

loopback-detection

control enable

Optional

By default, loopback port

control is not enabled.

Configure the system to

run loopback detection on

all VLANs of the current

trunk or hybrid port

loopback-detection

per-vlan enable

Optional

By default, the system

runs loopback detection

only on the default VLAN

of the current trunk or

hybrid port.

Display port loopback

detection information

display

loopback-detection

Optional

You can use the

command in any view.

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Caution:

z To enable loopback detection on a specific port, you must use the

loopback-detection enable command in both system view and the specific port

view.

z After you use the undo loopback-detection enable command in system view,

loopback detection will be disabled on all ports.

1.2.9 Configuring the Ethernet Port to Run Loopback Test

You can configure the Ethernet port to run loopback test to check if it operates normally.

The port running loopback test cannot forward data packets normally. The loopback

test terminates automatically after a specific period.

Table 1-11 Configure the Ethernet port to run loopback test

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Configure the Ethernet

port to run loopback test

loopback { external | internal } Optional

 Note:

z external: Performs external loop test. In the external loop test, self-loop headers

must be used on the port of the switch ( for 100M port, the self-loop headers are

made from four cores of the 8-core cables, for 1000M port, the self-loop header are

made from eight cores of the 8-core cables, then the packets forwarded by the port

will be received by itself.). The external loop test can locate the hardware failures on

the port.

z internal: Performs internal loop test. In the internal loop test, self loop is established

in the switching chip to locate the chip failure which is related to the port.

After you use the shutdown command on a port, the port cannot run loopback test. You

cannot use the speed, duplex, mdi and shutdown commands on the ports running

loopback test. Some ports do not support loopback test, and corresponding prompts

will be given when you perform loopback test on them.

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1.2.10 Enabling the System to Test Connected Cable

You can enable the system to test the cable connected to a specific port. The test result

will be returned in five seconds. The system can test these attributes of the cable:

Receive and transmit directions (RX and TX), short circuit/open circuit or not, the length

of the faulty cable.

Table 1-12 Enable the system to test connected cables

Operation Command Remarks

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Enable the system to test

connected cables

virtual-cable-test

Required

1.2.11 Configuring the Interval to Perform Statistical Analysis on Port Traffic

By performing the following configuration, you can set the interval to perform statistical

analysis on the traffic of a port.

When you use the display interface interface-type interface-number command to

display the information of a port, the system performs statistical analysis on the traffic

flow passing through the port during the specified interval and displays the average

rates in the interval. For example, if you set this interval to 100 seconds, the displayed

information is as follows:

Last 100 seconds input: 0 packets/sec 0 bytes/sec

Last 100 seconds output: 0 packets/sec 0 bytes/sec

Table 1-13 Set the interval to perform statistical analysis on port traffic

Operation Command Description

Enter system view

system-view

—

Enter Ethernet port view

interface interface-type

interface-number

—

Set the interval to perform

statistical analysis on port

traffic

flow-interval interval

Optional

By default, this interval is

300 seconds.

1.2.12 Enabling Giant-Frame Statistics Function

The giant-frame statistics function is used to ensure transmission of network traffic and

to facilitate statistics and analysis of unusual traffic on the network.

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Table 1-14 Enable the giant-frame statistics function

Operation Command Description

Enter system view

system-view

—

Enable the giant-frame

statistics function

giant-frame statistics

enable

Optional

By default, the

giant-frame statistics

function is not enabled.

1.2.13 Displaying Basic Port Configuration

After the above configurations, you can execute the display commands in any view to

display information about Ethernet ports, so as to verify your configurations.

You can execute the reset counters command in user view to clear the statistics of

Ethernet ports.

Table 1-15 Display basic port configuration

Operation Command Remarks

Display port configuration

information

display interface

[ interface-type |

interface-type

interface-number ]

Display information about

a specified optical port

display

transceiver-information

interface interface-type

interface-number

Display the

enable/disable status of

port loopback detection

display

loopback-detection

Display brief information

about port configuration

display brief interface

[ interface-type

interface-number ] [ |

{ begin | include |

exclude } string ]

Display the hybrid or trunk

ports

display port { hybrid |

trunk }

Display port information

about a specified unit

display unit unit-id

interface

You can execute the

display commands in any

view.

Clear port statistics

reset counters interface

[ interface-type |

interface-type

interface-number ]

You can execute the

reset command in user

view.

After 802.1x is enabled on

a port, clearing the

statistics on the port will

not work.

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1.3 Ethernet Port Configuration Example

I. Network requirements

z Switch A and Switch B are connected to each other through two trunk port

(Ethernet1/0/1).

z Configure the default VLAN ID of both Ethernet1/0/1 to 100.

z Allow the packets of VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 to pass

both Ethernet1/0/1.

II. Network diagram

Switch A

Switch B

E1/0/1

Switch A

Switch B

E1/0/1

Figure 1-1 Network diagram for Ethernet port configuration

III. Configuration procedure

 Note:

z Only the configuration for Switch A is listed below. The configuration for Switch B is

similar to that of Switch A.

z This example supposes that VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 have

been created.

# Enter Ethernet port view of Ethernet1/0/1.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] interface ethernet1/0/1

# Set Ethernet1/0/1 as a trunk port.

[H3C-Ethernet1/0/1] port link-type trunk

# Allow packets of VLAN 2, VLAN 6 through VLAN 50 and VLAN 100 to pass

Ethernet1/0/1.

[H3C-Ethernet1/0/1] port trunk permit vlan 2 6 to 50 100

# Configure the default VLAN ID of Ethernet1/0/1 to 100.

[H3C-Ethernet1/0/1] port trunk pvid vlan 100

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1.4 Troubleshooting Ethernet Port Configuration

Symptom: Fail to configure the default VLAN ID of a port.

Solution: Take the following steps.

z Use the display interface or display port command to check if the port is a trunk

port or a hybrid port. If not, configure it to a trunk port or a hybrid port.

z Configure the default VLAN ID.

H3C S3600-52PEI Operating instructions

Brand: H3C

Model: S3600-52PEI

Category: Network switches

Type: Operating instructions

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