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[SRX] Is ethernet switching and switching fabric link (swfab) supported on SRX-GP-2XE-SFPP-TX (2-port 10GbE SFP+ / 10GbE Base-T Copper XPIM)?

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Article ID: KB25670 KB Last Updated: 07 Sep 2012Version: 1.0
Summary:
Is ethernet switching and configuration of the switching fabric link on SRX-GP-2XE-SFPP-TX ( 2-port 10GbE SFP+ / 10GbE Base-T Copper XPIM ) supported?
Symptoms:
This article provides information about the support extended for ethernet switching and switching fabric link (swfab) on SRX-GP-2XE-SFPP-TX (2-port 10GbE SFP+ / 10GbE Base-T Copper XPIM).
Cause:

Solution:
Ethernet switching is not supported on SRX-GP-2XE-SFPP-TX cards. This implies that any configuration, which requires that family ethernet-switching be configured, is not supported on these interfaces. For example, configuring the switching fabric interface (swfab).

Ethernet-switching in chassis cluster is supported on SRX from 11.1. To ensure that Layer 2 switching works seamlessly across chassis cluster nodes, a dedicated physical link to connect the nodes is required. This type of link is termed as a switching fabric interface (swfab). The configuration of swfab on SRX-GP-2XE-SFPP-TX will not work and is not supported. If it is configured on the interfaces of XPIM, you will see the ethernet switching status as down:
root@srx> show chassis cluster ethernet-switching interfaces 
swfab0:

    Name               Status      
    xe-3/0/1           up         
swfab1:

    Name               Status      
    xe-12/0/1          up         

root@srx> show chassis cluster ethernet-switching status 
Cluster ID: 2 
Node                  Priority          Status    Preempt  Manual failover

Redundancy group: 0 , Failover count: 0
    node0                   1           primary        no       no  
    node1                   1           secondary      no       no  

Ethernet switching status:
    Probe state is DOWN. Both nodes are in separate ethernet switching domain(s).

root@srx> show chassis cluster ethernet-switching statistics       

Switch fabric link statistics:
    Probe state : DOWN
    Probes sent: 0
    Probes received: 0
    Probe recv errors: 0
    Probe send errors: 0

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