[c-nsp] IOS XR 6 verifying routing table limitations

Drew Weaver drew.weaver at thenap.com
Thu Mar 6 20:43:09 UTC 2025


Hello,

I really cannot remember the commands to check how many IPv4/IPv6 routes an old school IOS XR system can handle before it explodes.

Was it this?

OBJECT              USED               %      MAX         AVAILABLE          %
show cef platform resource summ loc <specific location> | i LEAF

IPv4_LEAF_P         1377831        32.85      4194304     2816473        67.15
IPv6_LEAF_P         688915         32.85      2097152     1408237        67.15

Some of the AI answers that Google gives when asking about this stuff is (chef's kiss)

If anyone remembers would greatly appreciate it, lol.

Thanks,
-Drew




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