Hello Vladimir, What version IOS XR are you using? We are doesn't have problems with FIB inconsistency. IOS XR 6.6.3.
#show processes memory detail location 0/RSP0/CPU0 Wed May 20 09:09:23.240 MSK JID Text Data Stack Dynamic Dyn-Limit Shm-Tot Phy-Tot Process ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ------- 1087 1M 10M 624K 818M 1658M 218M 829M bgp #show memory summary location 0/0/CPU0 Wed May 20 09:10:34.206 MSK node: node0_0_CPU0 -------------------------------------- Physical Memory: 8192M total Application Memory : 7985M (4258M available) Image: 78M (bootram: 78M) Reserved: 128M, IOMem: 0, flashfsys: 0 Total shared window: 495M On Tue, 19 May 2020 20:09:52 +0500 Vladimir Troitskiy <ruthen...@gmail.com> wrote: > Hello everyone, > > ASR9001 has some memory usage limits: > - 1658M for a BGP process on a RSP > - 1536M for a shared memory window on a LC > Those limits seems to be unconfigurable. > > Has anybody experienced any issues with these limits on high-loaded ASR9001 > boxes? > We have a surprisingly high memory usage while the typical router setup is > pretty lightweight - 4-5 full feeds (couple of upstreams and RRs). The only > probably uncommon thing is we use "Internet in a VRF" approach. > > #show processes memory detail location 0/RSP0/CPU0 > > Tue May 19 19:39:12.592 Ural > > JID Text Data Stack Dynamic Dyn-Limit Shm-Tot > > Phy-Tot Process > > ------ ---------- ---------- ---------- ---------- ---------- ---------- > > ---------- ------- > > 1054 1M 5M 516K 1485M 1658M 76M > > 1491M bgp > > > > #show memory summary location 0/0/CPU0 > > > node: node0_0_CPU0 > > ------------------------------------------------------------------ > > Physical Memory: 8192M total > > Application Memory : 7988M (3811M available) > > Image: 75M (bootram: 75M) > > Reserved: 128M, IOMem: 0, flashfsys: 0 > > Total shared window: 1327M > > > > We have already had FIB inconsistency issues due to SHMWIN exhaustion > despite the fact the total prefix amount was far from the platform limit > (4M): > > > fib_mgr[184]: %OS-SHMWIN-3-ALLOC_ARENA_FAILED : SHMWIN: Failed to allocate > > new arena from the server : 'SHMWIN_SVR' detected the 'fatal' condition 'VM > > is exhausted or totally fragmented' > > fib_mgr[184]: %ROUTING-FIB-3-ASSERT_RL : FIB internal inconsistency > > detected > > fib_mgr[184]: %ROUTING-FIB-3-PD_FAIL : FIB platform error: fib_leaf_insert > > 5204 Cannot insert leaf > > > > What are practical limits for BGP scaling on ASR9001 boxes? Could anyone > share a memory usage stats? > -- > Best regards, > Vladimir Troitsky > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ -- Alexandr Gurbo <gu...@golas.ru> _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/