在 Cisco 交换机上将 RCF 更新到版本 1.11 或 1.12a 后，ISL 端口已关闭

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适用于

Cisco Nexus 3232C 集群交换机
Cisco Nexus C3132Q-V 集群交换机
Cisco Nexus C9336C-FX2 集群交换机
RCF（参考配置文件）版本 1.11、1.12、1.12a 或 1.13

警告

此知识库文章不适用于 MetroCluster IP 配置。

问题描述

ISL（交换机间链路）接口在正确执行所有步骤并重新启动两次以安装新的 RCF 版本 1.11 或 1.12a 后仍处于暂停和关闭状态。
在第一次交换机重新加载和 RCF 安装期间看到此错误是正常的：

sw1(config-if)# channel-group 1 mode active TCAM region is not configured. Please configure TCAM region and retry the command

在第二次交换机重新加载和 RCF 安装后看到此错误是不正常的，需要遵循解决方案部分中的步骤：

sw1(config)# interface eth1/31 sw1(config-if)# channel-group 1 mode active command failed: port not compatible:[Port priority-flow-control] ** You can use force option to override the port's parameters ** (e.g. "channel-group X force") ** Use "show port-channel compatibility-parameters" to get more information on failure

要验证这是遇到的问题，并且无法应用 ISL 端口上的某些配置行，请按照以下示例进行操作。在示例中，sw1 遇到此问题，并且 sw2 已成功更新：

查看 ISL 接口上的运行配置（在本例中为 Eth1/31 和 Eth1/32）：

`show running-config eth1/31 show running-config eth1/32`	`show running-config eth1/31 show running-config eth1/32`
Sw1 - 问题	Sw2 - 工作中
`interface Ethernet1/31 description Intra-Cluster Switch ISL Port 1/31 (port channel) switchport mode trunk switchport trunk allowed vlan 1 priority-flow-control mode on mtu 9216`	`interface Ethernet1/31 description Intra-Cluster Switch ISL Port 1/31 (port channel) switchport mode trunk switchport trunk allowed vlan 1 priority-flow-control mode on mtu 9216 channel-group 1 mode active`
`interface Ethernet1/32 description Intra-Cluster Switch ISL Port 1/32 (port channel) switchport mode trunk switchport trunk allowed vlan 1 priority-flow-control mode on mtu 9216`	`interface Ethernet1/32 description Intra-Cluster Switch ISL Port 1/32 (port channel) switchport mode trunk switchport trunk allowed vlan 1 priority-flow-control mode on mtu 9216 channel-group 1 mode active`

2.查看接口状态：

sw1# show interface brief

------------------------------------------------------------------------------------------ Port-channel VLAN Type Mode Status Reason Speed Protocol Interface ------------------------------------------------------------------------------------------ Po1 1 eth trunk down No operational members auto(I) lacp Po999 1 eth access down Administratively down auto(I) none

3. 注意到此端口通道没有配置成员端口：

sw1# show port-channel  summary
 Flags:  D - Down     P - Up in port-channel (members)
      I - Individual  H - Hot-standby (LACP only)
      s - Suspended   r - Module-removed
      b - BFD Session Wait
      S - Switched   R - Routed
      U - Up (port-channel)
      p - Up in delay-lacp mode (member)
      M - Not in use. Min-links not met
 --------------------------------------------------------------------------------
 Group Port-     Type    Protocol    Member Ports
     Channel
 --------------------------------------------------------------------------------
 1    Po1(SD)    Eth     NONE     --     
 999   Po999(SD)   Eth     NONE      --

4.与成功更新的交换机 sw2 相比，没有从 sw1 接收到 LACP 帧：

sw2# show interface brief

-------------------------------------------------------------------------------- Port VRF Status IP Address Speed MTU -------------------------------------------------------------------------------- mgmt0 -- up 10.1.1.102 1000 1500 -------------------------------------------------------------------------------- Ethernet VLAN Type Mode Status Reason Speed Port Interface Ch # -------------------------------------------------------------------------------- Eth1/1 1 eth trunk up none 100G(D) -- Eth1/2 1 eth trunk up none 100G(D) -- Eth1/31 1 eth trunk down suspended(no LACP PDUs) auto(D) 1 Eth1/32 1 eth trunk down suspended(no LACP PDUs) auto(D) 1 ------------------------------------------------------------------------------------------ Port-channel VLAN Type Mode Status Reason Speed Protocol Interface ------------------------------------------------------------------------------------------ Po1 1 eth trunk down No operational members auto(D) lacp Po999 1 eth access down Administratively down auto(I) none

sw2# show port-channel summary
 Flags:  D - Down     P - Up in port-channel (members)
      I - Individual  H - Hot-standby (LACP only)
      s - Suspended   r - Module-removed
      b - BFD Session Wait
      S - Switched   R - Routed
      U - Up (port-channel)
      p - Up in delay-lacp mode (member)
      M - Not in use. Min-links not met
 --------------------------------------------------------------------------------
 Group Port-      Type     Protocol   Member Ports
     Channel
 --------------------------------------------------------------------------------
 1    Po1(SD)      Eth    LACP      Eth1/31(s)  Eth1/32(s)  
 999   Po999(SD)        Eth    NONE      --