[c-nsp] IS-IS for IPv6: Passive Loopback Interface Address Not Propagated

[Mark Tinka]

Hi all.

Has anyone experienced failure of the v6 address on a 
(dual-stacked) Loopback interface from being propagated 
into IS-IS?

We're seeing this on 12.2(33)SRC1 deployed on NPE-G2's, 
NPE-G1's and 7201's.

IS-IS is running in multi-topology mode, v6 infrastructure 
addresses are propagated fine, it's just that v6 addresses 
on the Loopback interface won't be.

Our pseudonodes (DIS's) are running on SUP720-3BXL's with 
12.2(33)SXH3. These are able to propagate their v6 Loopback 
interface addresses to the network, including to the 
7200's.

v4 is unaffected.

We have a case open with TAC, but it's been a while since 
they gave us any feedback.

All help appreciated.

Cheers,

Mark.
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