[j-nsp] Static sub-interface MAC address

Serge Vautour sergevautour at yahoo.ca
Wed Jan 20 13:46:23 EST 2010


Hello,

Does anyone know if it's possible to assign a static MAC address on a per sub-interface basis? In my lab I'm using Virtual Routers on an MX to emulate CPEs. I'm using a dot1q trunk to split multiple VLANs into different VRs. I'm bridging those VLANs in my VPLS setup. This is causing a duplicate MAC problem as all the VLAN sub-interfaces are sharing the same MAC: 

user1 at PE1-re0> show arp 
MAC Address       Address         Name                      Interface     Flags
00:24:dc:9f:00:f8 172.16.4.2      172.16.4.2                ge-1/2/1.200  none
00:24:dc:9f:00:f8 172.16.7.3      172.16.7.3                ge-1/2/1.502  none
00:24:dc:9f:00:f8 172.16.8.3      172.16.8.3                ge-1/2/1.503  none

You probably wouldn't see this in Prod but it should would help me do some testing :)

Thanks,
Serge



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