03-接口管理配置举例

00-S12500_以太网接口典型配置举例

1 简介

本文档介绍了以太网接口配置举例。

2 配置前提

本文档中的配置均是在实验室环境下进行的配置和验证，配置前设备的所有参数均采用出厂时的缺省配置。如果您已经对设备进行了配置，为了保证配置效果，请确认现有配置和以下举例中的配置不冲突。

本文假设您已了解以太网接口特性。

3 配置举例

3.1 组网需求

如图1所示，由于Server 1网卡的特殊限制，接口GigabitEthernet3/0/2只能协商为半双工模式；且其他服务器的网卡速率均为1000Mbps，GigabitEthernet3/0/1接口的速率为1000Mbps。要求实现：

· 通过配置接口速率，避免在GigabitEthernet3/0/1接口上发生拥塞；

· 通过配置接口强制双工模式，使得Device与Server 1能全双工工作。

图1 接口基本配置组网图

3.2 配置思路

· 如果不指定接口速率和自协商速率范围，接口（GigabitEthernet3/0/2、GigabitEthernet3/0/3和GigabitEthernet3/0/4）和服务器速率协商的结果将为1000Mbps，这样就可能造成出接口（GigabitEthernet3/0/1）拥塞。此时可以手工配置接口GigabitEthernet3/0/2、GigabitEthernet3/0/3和GigabitEthernet3/0/4的速率为100Mbps，来避免出接口的拥塞。

· 由于接口GigabitEthernet3/0/2与Server 1网卡只能自协商为半双工模式，因此通过命令行配置此接口固定工作在全双工模式。

3.3 使用版本

本举例是在S12500-CMW710-R7129版本上进行配置和验证的。

3.4 配置注意事项

· 缺省情况下，GE接口的双工模式为auto（自协商）状态，10GE接口的双工模式为全双工状态；

· 以太网接口不支持配置half（半双工）模式；

· 建议一条链路两端的接口速率和双工模式配置一致，如果配置不同，接口可能无法正常工作。

3.5 配置步骤

# 配置接口GE3/0/2的速率为100Mbps，双工模式为全双工。

<Device> system-view

[Device] interface GigabitEthernet 3/0/2

[Device-GigabitEthernet3/0/2] undo shutdown

[Device-GigabitEthernet3/0/2] speed 100

[Device-GigabitEthernet3/0/2] duplex full

[Device-GigabitEthernet3/0/2]quit

# 配置接口GE3/0/3的速率为100Mbps。

[Device] interface GigabitEthernet 3/0/3

[Device-GigabitEthernet3/0/3] undo shutdown

[Device-GigabitEthernet3/0/3] speed 100

[Device-GigabitEthernet3/0/3]quit

# 配置接口GE3/0/4的速率为100Mbps。

[Device] interface GigabitEthernet 3/0/4

[Device-GigabitEthernet3/0/4] undo shutdown

[Device-GigabitEthernet3/0/4] speed 100

[Device-GigabitEthernet3/0/4] quit

3.6 验证配置

# 查看以太网接口GigabitEthernet3/0/2的运行状态和相关信息。

[Device]display interface GigabitEthernet 3/0/2

GigabitEthernet3/0/2 current state: UP

Line protocol current state: UP

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 3822-d60f-e000

Description: GigabitEthernet3/0/2 Interface

Loopback is not set

Media type is twisted pair, Port hardware type is 1000_BASE_T

100Mbps-speed mode, full-duplex mode

Link speed type is force link, link duplex type is force link

Flow-control is not enabled

The Maximum Frame Length is 9216

Allow jumbo frame to pass

Broadcast MAX-ratio: 100%

Multicast MAX-ratio: 100%

Unicast MAX-ratio: 100%

PVID: 1

Mdi type: automdix

Port link-type: access

Tagged Vlan: none

UnTagged Vlan: 1

Port priority: 2

Last clearing of counters: Never

Peak value of input: 0 bytes/sec, at 2012-09-03 15:51:35

Peak value of output: 10 bytes/sec, at 2012-09-03 16:05:41

Last 300 seconds input: 0 packets/sec 0 bytes/sec 0%

Last 300 seconds output: 0 packets/sec 10 bytes/sec 0%

Input (total): 9 packets, 1107 bytes

0 unicasts, 0 broadcasts, 9 multicasts, - pauses

Input (normal): 9 packets, 1107 bytes

0 unicasts, 0 broadcasts, 9 multicasts, 0 pauses

Input: 0 input errors, 0 runts, 0 giants, 0 throttles

0 CRC, 0 frame, 0 overruns, - aborts

- ignored, - parity errors

Output (total): 46 packets, 5658 bytes

0 unicasts, 0 broadcasts, 46 multicasts, - pauses

Output (normal): 46 packets, 5658 bytes

0 unicasts, 0 broadcasts, 46 multicasts, 0 pauses

Output: 0 output errors, - underruns, - buffer failures

0 aborts, 0 deferred, 0 collisions, 0 late collisions

- lost carrier, - no carrier

# 查看以太网接口GigabitEthernet3/0/3的运行状态和相关信息。

[Device]display interface GigabitEthernet 3/0/3

GigabitEthernet3/0/3 current state: UP

Line protocol current state: UP

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 3822-d60f-e000

Description: GigabitEthernet3/0/3 Interface

Loopback is not set

Media type is twisted pair, Port hardware type is 1000_BASE_T

100Mbps-speed mode, full-duplex mode

Link speed type is force link, link duplex type is autonegotiation

Flow-control is not enabled

The Maximum Frame Length is 9216

Allow jumbo frame to pass

Broadcast MAX-ratio: 100%

Multicast MAX-ratio: 100%

Unicast MAX-ratio: 100%

PVID: 1

Mdi type: automdix

Port link-type: access

Tagged Vlan: none

UnTagged Vlan: 1

Port priority: 2

Last clearing of counters: Never

Peak value of input: 0 bytes/sec, at 2012-09-03 15:51:35

Peak value of output: 10 bytes/sec, at 2012-09-03 15:54:18

Last 300 seconds input: 0 packets/sec 0 bytes/sec 0%

Last 300 seconds output: 0 packets/sec 10 bytes/sec 0%

Input (total): 4 packets, 492 bytes

0 unicasts, 0 broadcasts, 4 multicasts, - pauses

Input (normal): 4 packets, 492 bytes

0 unicasts, 0 broadcasts, 4 multicasts, 0 pauses

Input: 0 input errors, 0 runts, 0 giants, 0 throttles

0 CRC, 0 frame, 0 overruns, - aborts

- ignored, - parity errors

Output (total): 40 packets, 4920 bytes

0 unicasts, 0 broadcasts, 40 multicasts, - pauses

Output (normal): 40 packets, 4920 bytes

0 unicasts, 0 broadcasts, 40 multicasts, 0 pauses

Output: 0 output errors, - underruns, - buffer failures

0 aborts, 0 deferred, 0 collisions, 0 late collisions

- lost carrier, - no carrier

# 查看以太网接口GigabitEthernet3/0/4的运行状态和相关信息。

[Device]display interface GigabitEthernet 3/0/4

GigabitEthernet3/0/4 current state: UP

Line protocol current state: UP

IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 3822-d60f-e000

Description: GigabitEthernet3/0/4 Interface

Loopback is not set

Media type is twisted pair, Port hardware type is 1000_BASE_T

100Mbps-speed mode, full-duplex mode

Link speed type is force link, link duplex type is autonegotiation

Flow-control is not enabled

The Maximum Frame Length is 9216

Allow jumbo frame to pass

Broadcast MAX-ratio: 100%

Multicast MAX-ratio: 100%

Unicast MAX-ratio: 100%

PVID: 1

Mdi type: automdix

Port link-type: access

Tagged Vlan: none

UnTagged Vlan: 1

Port priority: 2

Last clearing of counters: Never

Peak value of input: 0 bytes/sec, at 2012-09-03 15:55:39

Peak value of output: 0 bytes/sec, at 2012-09-03 15:51:35

Last 300 seconds input: 0 packets/sec 0 bytes/sec 0%

Last 300 seconds output: 0 packets/sec 0 bytes/sec 0%

Input (total): 146 packets, 17958 bytes

0 unicasts, 0 broadcasts, 146 multicasts, - pauses

Input (normal): 146 packets, 17958 bytes

0 unicasts, 0 broadcasts, 146 multicasts, 0 pauses

Input: 0 input errors, 0 runts, 0 giants, 0 throttles

0 CRC, 0 frame, 0 overruns, - aborts

- ignored, - parity errors

Output (total): 4 packets, 492 bytes

0 unicasts, 0 broadcasts, 4 multicasts, - pauses

Output (normal): 4 packets, 492 bytes

0 unicasts, 0 broadcasts, 4 multicasts, 0 pauses

Output: 0 output errors, - underruns, - buffer failures

0 aborts, 0 deferred, 0 collisions, 0 late collisions

- lost carrier, - no carrier

3.7 配置文件

interface GigabitEthernet3/0/2

port link-mode bridge

speed 100

duplex full

interface GigabitEthernet3/0/3

port link-mode bridge

speed 100

interface GigabitEthernet3/0/4

port link-mode bridge

speed 100

4 相关资料

· 《H3C S12500系列路由交换机接口管理配置指导》中的“以太网接口”

· 《H3C S12500系列路由交换机接口管理命令参考》中的“以太网接口”

不同款型规格的资料略有差异, 详细信息请向具体销售和400咨询。H3C保留在没有任何通知或提示的情况下对资料内容进行修改的权利!

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03-接口管理配置举例

目录

00-S12500_以太网接口典型配置举例

2 配置前提

3.1 组网需求

3.2 配置思路

3.7 配置文件

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