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S12700 V200R013C00 配置指南-以太网交换

本文档针对设备的以太网业务，主要包括MAC配置、链路聚合配置、VLAN配置、VLAN聚合配置、MUX VLAN配置、VLAN终结配置、Voice VLAN配置、VLAN mapping配置、QinQ配置、GVRP配置、VCMP配置、STP/RSTP/MSTP配置、VBST配置、SEP配置、RRPP配置、ERPS配置、Loopback Detection配置和二层协议透明传输配置。

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配置ERPS相交环示例

配置ERPS相交环示例

以ERPS相交环组网为例，重点介绍如何配置ERPSv2功能。

组网需求

以太网交换网络中为了进行链路备份，提高网络可靠性，通常会使用冗余链路。但是使用冗余链路会在交换网络上产生环路，导致广播风暴以及MAC地址表不稳定等故障现象，从而导致用户通信质量较差，甚至通信中断。

为了解决使用冗余链路引起的环路问题，可以在组成环网的设备上部署ERPS协议，ERPS协议是ITU-T定义的一种二层破环协议标准，且收敛速度快，可以满足收敛速度达到电信级可靠性要求。

如图19-17所示，以部署ERPS的相交环为例，SwitchA、SwitchB、SwitchC和SwitchD组成的环为主环，SwitchA、LSW1、LSW2、LSW3和SwitchD组成的环为子环。

图19-17  ERPS相交环组网图

配置思路

采用如下的思路配置ERPS环：

  1. 配置加入ERPS环的所有端口类型为Trunk型。

  2. 创建ERPS环，并配置控制VLAN和保护实例。

  3. 配置ERPS协议版本，配置子环。

  4. 将二层端口加入ERPS环并配置端口角色。

  5. 配置网络拓扑变化通告和拓扑变化保护功能。

  6. 配置ERPS环的Guard Timer和WTR Timer定时器。

  7. 配置SwitchA～SwitchD、LSW1～LSW3二层转发功能。

操作步骤

  1. 配置加入ERPS环的所有端口类型为Trunk型。

    # 配置SwitchA。SwitchB、SwitchC、SwitchD、LSW1、LSW2和LSW3的配置与SwitchA类似，详见配置文件。

    <HUAWEI> system-view
[HUAWEI] sysname SwitchA
[SwitchA] interface gigabitethernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] port link-type trunk
[SwitchA-GigabitEthernet1/0/1] quit
[SwitchA] interface gigabitethernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] port link-type trunk
[SwitchA-GigabitEthernet1/0/2] quit
[SwitchA] interface gigabitethernet 1/0/3
[SwitchA-GigabitEthernet1/0/3] port link-type trunk
[SwitchA-GigabitEthernet1/0/3] quit

  2. 创建ERPS环1、ERPS环2并配置两个ERPS环的保护实例，配置ERPS环1的控制VLAN ID为10，ERPS环2的控制VLAN ID为20，ERPS环1、ERPS环2传递VLAN100～200的数据报文。

    # 配置SwitchA。SwitchB、SwitchC、SwitchD、LSW1、LSW2、LSW3的配置与SwitchA类似，详见配置文件。

    [SwitchA] stp region-configuration
[SwitchA-mst-region] instance 1 vlan 10 20 100 to 200
[SwitchA-mst-region] active region-configuration
[SwitchA-mst-region] quit
[SwitchA] erps ring 1
[SwitchA-erps-ring1] control-vlan 10
[SwitchA-erps-ring1] protected-instance 1
[SwitchA-erps-ring1] quit
[SwitchA] erps ring 2
[SwitchA-erps-ring2] control-vlan 20
[SwitchA-erps-ring2] protected-instance 1
[SwitchA-erps-ring2] quit

  3. 配置ERPS协议版本为v2，将ERPS环2配置为子环。

    # 配置SwitchA。SwitchB、SwitchC、SwitchD、LSW1、LSW2、LSW3的配置与SwitchA类似，详见配置文件。

    [SwitchA] erps ring 1
[SwitchA-erps-ring1] version v2
[SwitchA-erps-ring1] quit
[SwitchA] erps ring 2
[SwitchA-erps-ring2] version v2
[SwitchA-erps-ring2] sub-ring
[SwitchA-erps-ring2] quit

  4. 将二层端口加入ERPS环并配置端口角色，分别将SwitchB的端口GE1/0/1和LSW3的端口GE1/0/2配置为RPL owner端口。

    # 配置SwitchA。SwitchC、SwitchD、LSW1和LSW2的配置与SwitchA类似，详见配置文件。

    [SwitchA] interface gigabitethernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] stp disable
[SwitchA-GigabitEthernet1/0/1] erps ring 2
[SwitchA-GigabitEthernet1/0/1] quit
[SwitchA] interface gigabitethernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] stp disable
[SwitchA-GigabitEthernet1/0/2] erps ring 1
[SwitchA-GigabitEthernet1/0/2] quit
[SwitchA] interface gigabitethernet 1/0/3
[SwitchA-GigabitEthernet1/0/3] stp disable
[SwitchA-GigabitEthernet1/0/3] erps ring 1
[SwitchA-GigabitEthernet1/0/3] quit

    # 配置SwitchB。LSW3的配置与SwitchB类似，详见配置文件。

    [SwitchB] interface gigabitethernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] stp disable
[SwitchB-GigabitEthernet1/0/1] erps ring 1 rpl owner
[SwitchB-GigabitEthernet1/0/1] quit
[SwitchB] interface gigabitethernet 1/0/2
[SwitchB-GigabitEthernet1/0/2] stp disable
[SwitchB-GigabitEthernet1/0/2] erps ring 1
[SwitchB-GigabitEthernet1/0/2] quit

  5. 在相交节点SwitchA和SwitchD配置网络拓扑变化通告，并配置拓扑变化保护。

    # 配置SwitchA。

    [SwitchA] erps ring 1
[SwitchA-erps-ring1] tc-protection interval 200
[SwitchA-erps-ring1] tc-protection threshold 60
[SwitchA-erps-ring1] quit
[SwitchA] erps ring 2
[SwitchA-erps-ring2] tc-notify erps ring 1
[SwitchA-erps-ring2] quit

    # 配置SwitchD。

    [SwitchD] erps ring 1
[SwitchD-erps-ring1] tc-protection interval 200
[SwitchD-erps-ring1] tc-protection threshold 60
[SwitchD-erps-ring1] quit
[SwitchD] erps ring 2
[SwitchD-erps-ring2] tc-notify erps ring 1
[SwitchD-erps-ring2] quit

  6. 配置ERPS环的Guard Timer和WTR Timer定时器。

    # 配置SwitchA。SwitchB、SwitchC、SwitchD、LSW1、LSW2和LSW3的配置与SwitchA类似，详见配置文件。

    [SwitchA] erps ring 1
[SwitchA-erps-ring1] wtr-timer 6
[SwitchA-erps-ring1] guard-timer 100
[SwitchA-erps-ring1] quit
[SwitchA] erps ring 2
[SwitchA-erps-ring2] wtr-timer 6
[SwitchA-erps-ring2] guard-timer 100
[SwitchA-erps-ring2] quit

  7. 配置SwitchA～SwitchD二层转发功能。

    # 配置SwitchA。SwitchB、SwitchC、SwitchD、LSW1、LSW2和LSW3的配置与SwitchA相同，详见配置文件。

    [SwitchA] vlan batch 100 to 200
[SwitchA] interface gigabitethernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] undo port trunk allow-pass vlan 1
[SwitchA-GigabitEthernet1/0/1] port trunk allow-pass vlan 100 to 200
[SwitchA-GigabitEthernet1/0/1] quit
[SwitchA] interface gigabitethernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] undo port trunk allow-pass vlan 1
[SwitchA-GigabitEthernet1/0/2] port trunk allow-pass vlan 100 to 200
[SwitchA-GigabitEthernet1/0/2] quit
[SwitchA] interface gigabitethernet 1/0/3
[SwitchA-GigabitEthernet1/0/3] undo port trunk allow-pass vlan 1
[SwitchA-GigabitEthernet1/0/3] port trunk allow-pass vlan 100 to 200
[SwitchA-GigabitEthernet1/0/3] quit

  8. 验证配置结果

    # 在网络稳定后，在设备上执行display erps，查看设备加入的ERPS环的端口和环的概要信息。以SwitchB为例。

    [SwitchB] display erps
D  : Discarding
F  : Forwarding
R  : RPL Owner
N  : RPL Neighbour
FS : Forced Switch
MS : Manual Switch
Total number of rings configured = 1
Ring  Control  WTR Timer  Guard Timer  Port 1               Port 2
ID    VLAN     (min)      (csec)
--------------------------------------------------------------------------------
   1       10          6          100  (D,R)GE1/0/1         (F)GE1/0/2
--------------------------------------------------------------------------------

    # 在设备上执行display erps verbose，查看设备加入的ERPS环的端口和环的详细信息。

    [SwitchB] display erps verbose
Ring ID                             : 1
Description                         : Ring 1
Control Vlan                        : 10
Protected Instance                  : 1 
Service Vlan                        : 100 to 200
WTR Timer Setting (min)             : 6      Running (s)           : 0  
Guard Timer Setting (csec)          : 100    Running (csec)        : 0  
Holdoff Timer Setting (deciseconds) : 0      Running (deciseconds) : 0  
WTB Timer Running (csec)            : 0  
Ring State                          : Idle
RAPS_MEL                            : 7
Revertive Mode                      : Revertive
R-APS Channel Mode                  : -
Version                             : 2
Sub-ring                            : No 
Forced Switch Port                  : -
Manual Switch Port                  : -
TC-Notify                           : -
Time since last topology change     : 0 days 4h:12m:20s
--------------------------------------------------------------------------------
Port                Port Role     Port Status     Signal Status
--------------------------------------------------------------------------------
GE1/0/1             RPL Owner     Discarding      Non-failed      
GE1/0/2             Common        Forwarding      Non-failed

配置文件

  • SwitchA的配置文件

    #
sysname SwitchA
#
vlan batch 10 20 100 to 200
#
stp region-configuration
 instance 1 vlan 10 20 100 to 200
 active region-configuration
#
erps ring 1
 control-vlan 10
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 tc-protection interval 200
 tc-protection threshold 60
erps ring 2
 control-vlan 20
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 sub-ring
 tc-notify erps ring 1
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
interface GigabitEthernet1/0/3
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
return

  • SwitchB的配置文件

    #
sysname SwitchB
#
vlan batch 10 100 to 200
#
stp region-configuration
 instance 1 vlan 10 100 to 200
 active region-configuration
#
erps ring 1
 control-vlan 10
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1 rpl owner
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
return

  • SwitchC的配置文件

    #
sysname SwitchC
#
vlan batch 10 100 to 200
#
stp region-configuration
 instance 1 vlan 10 100 to 200
 active region-configuration
#
erps ring 1
 control-vlan 10
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
return

  • SwitchD的配置文件

    #
sysname SwitchD
#
vlan batch 10 20 100 to 200
#
stp region-configuration
 instance 1 vlan 10 20 100 to 200
 active region-configuration
#
erps ring 1
 control-vlan 10
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 tc-protection interval 200
 tc-protection threshold 60
erps ring 2
 control-vlan 20
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 sub-ring
 tc-notify erps ring 1
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
interface GigabitEthernet1/0/3
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 10 100 to 200
 stp disable
 erps ring 1
#
return

  • LSW1的配置文件

    #
sysname LSW1
#
vlan batch 20 100 to 200
#
stp region-configuration
 instance 1 vlan 20 100 to 200
 active region-configuration
#
erps ring 2
 control-vlan 20
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 sub-ring
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
return

  • LSW2的配置文件

    #
sysname LSW2
#
vlan batch 20 100 to 200
#
stp region-configuration
 instance 1 vlan 20 100 to 200
 active region-configuration
#
erps ring 2
 control-vlan 20
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 sub-ring
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
return

  • LSW3的配置文件

    #
sysname LSW3
#
vlan batch 20 100 to 200
#
stp region-configuration
 instance 1 vlan 20 100 to 200
 active region-configuration
#
erps ring 2
 control-vlan 20
 protected-instance 1
 wtr-timer 6
 guard-timer 100
 version v2
 sub-ring
#
interface GigabitEthernet1/0/1
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2
#
interface GigabitEthernet1/0/2
 port link-type trunk
 undo port trunk allow-pass vlan 1
 port trunk allow-pass vlan 20 100 to 200
 stp disable
 erps ring 2 rpl owner
#
return
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更新时间：2021-09-06

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