ipv6 connectivity bugs

Mike mike-nanog at tiedyenetworks.com
Tue Oct 20 18:54:59 UTC 2015

On 10/19/2015 09:46 AM, Mark Tinka wrote:
> On 19/Oct/15 18:27, Mike wrote:
>> Thats a good question. I would need to move some things around in my
>> network in order to test it, not sure if I have the resources at the
>> moment but I'll keep it in mind.
> Well, the switch facing the 7201 is also an ME3600X. Meaning that you
> can use EVC Xconnect on there like you did on the one facing the ASR9001.
> EoMPLS on an EFP is the same as port-mode EoMPLS. So where you have the
> BD for VLAN 25, consider running EoMPLS directly on that EFP instead of
> on the SVI.
> Mark.

For the group, I finally discovered the problem. Under the switchport 
config connected to the 7201, I had "switchport block multicast" - which 
seems to block in only 1 direction (inbound). Removing that line and all 
of a sudden ipv6 starts to work.

Thanks for the suggestions all.


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