Hello. I'm posting this here so it'll be searchable for future use.

4 port 1GE SFP card for Cisco 12000 running IOS only supports around 4k IPv6 routes, then a message is displayed:

It was discussed in <https://puck.nether.net/pipermail/cisco-nsp/2011-February/077057.html> before, but there is a twist. If the tcam regions doesn't add up to 100%, no carving is done. This was verified with 12.0(33)S10. Also <http://www.mail-archive.com/[email protected]/msg37427.html> discusses this.

So with "show controllers ise <slot> tcam", the output MUST say:

"Total Tcam size = 100%"

If it says < 100% or > 100%, no carving is done. I cannot find any error message about this, so I thought I'd create this post so others might find it in the future.

Keywords/commands:

show controllers ise <slot> tcam
exec slot <slot> show controllers tofab alpha tcam carve

--
Mikael Abrahamsson    email: [email protected]
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