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02-18-2013 03:46 AM
Hi my OSPF adjacency is not working when i enable with a sub interface but works with physical interface.
Same is the case with QOS . Any help ?
Attached screenshots for your reference
02-18-2013 07:04 PM
Hi ,
Yes the Sub interfaces are tagged in OSPF. Also we applied QOS on Physical interface. Its just that we created a wan interface for the internet traffic to move out.
In nut shell its something like this
eth1/2 - internal link flooding DHCP to end hosts
eth1/1.201 - external link going to internet
eth1/6.601 - configured with OSPF with a different router.
If I am not wrong QOS to be applied on egress links which is eth1/1 which is not working
eth1/6.601 routes are not visible.
Thanks
02-19-2013 12:12 AM
Hello,
One possible reason why OSPF adjacency cannot be completed is MTU.
Check it on both devices...
Regards,
HA
02-19-2013 12:13 AM
What I mean by MTU is MTU mismatch between OSPF neighbor.
02-19-2013 12:15 AM
We already did that. But no luck. How about QOS?
MTU are the same on both devices.
02-19-2013 09:36 AM
It works with the physical interface and not with the tagged sub-interface. Is the neighbor expecting the tag to be on the incoming hello packets?
02-19-2013 09:44 AM
The neighbour is an untagged physical interface. We tried creating sub interface with the same tag at the other end as well. Still no luck.
How about QOS. Any idea why its showing that error?
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