General
running into u6route mem allocation failure even though there's plenty of memory left.
e.g. A-VDC1# sh vdc resource u6route-mem detai
u6route-mem 6 used 134 unused 202 free 68 avail 208 total
-------------
Vdc Min Max Used Unused Avail
--- --- --- ---- ------ -----
AB-VDC1 24 24 1 23 23
A-1-B-VDC1 100 100 1 99 99
Test-VDC3 4 4 1 3 3
Test-VDC4 4 4 1 3 3
Test-VDC5 4 4 1 3 3
Test-VDC6 4 4 1 3 3
Symptom
A-1-B-VDC1# sh log last 10
get warning messages with failure to allocate shared memory:
Failed to allocate shared memory for route trie node
2014 May 27 17:59:33 A-1-B-VDC1 %U6RIB-2-NOSMEM: u6rib [9610] (default-base)
Failed to allocate shared memory for recursive nexthop trie node
2014 May 27 17:59:43 A-1-B-VDC1 %U6RIB-4-SYSLOG_SL_MSG_WARNING: U6RIB-2-NOSME
M: message repeated 30671 times in last 121 sec
2014 May 27 18:00:23 A-1-B-VDC1 %BGP-5-ADJCHANGE: bgp-64896 [9979] (default)
neighbor cafe:1890:e000:1::10 Down - holdtimer expired error
2014 May 27 18:00:26 A-1-B-VDC1 %U6RIB-2-NOSMEM: u6rib [9610] (default-base)
Failed to allocate shared memory for route trie node
2014 May 27 18:00:36 A-1-B-VDC1 %U6RIB-4-SYSLOG_SL_MSG_WARNING: U6RIB-2-NOSME
M: message repeated 14688 times in st 52 sec
A-1-B-VDC1#
Conditions
Verified with scale with 30k ipv6 and 655K ipv4 routes.
and with a hard swithover
Further Problem Description
none
