[c-nsp] Cisco GSR Chokes on BGP

Tue May 4 20:19:05 EDT 2010

Hello Dominic:

It looks like you only have 256 Mb of Packet Ram.  You should probably
upgrade to 512 MB. I run multiple full peers on 3 port GE cards with no
trouble, but they are all set to 512/512.

Regards,

Mike

On 5/4/10 2:03 PM, "Dominic" <dominic at broadconnect.ca> wrote:

> Hi Everyone:
> 
> I am curious: is anyone doing BGP, with Full routes, on a GSR?
> 
> I am asking because, I have Transit circuit terminated on a 3-Port GigE Line
> Card, on a GSR 12008 runing PRP-2. Remote peer is sending FULL BGP routes.  As
> soon as the BGP session comes up, however, the line card crashes/resets.
> Setting the maximum-prefix BGP parameter to a really low level makes no
> difference.  The LC is configured with the maximum possible MEM available for
> that device, and this is the only BGP session on the entire box.
> 
> 
> Here is the crashing error I get:
> 
> May  4 16:40:07 gsr1-BUFF 4361795: May  4 20:40:06.405: %BGP-5-ADJCHANGE:
> neighbor X.X.X.X  Up
> May  4 16:40:45 gsr1-BUFF 4361798: May  4 20:40:44.795: %FIB-2-FIBDISABLE:
> Fatal error, slot 3: IPC Failure: timeout
> May  4 16:40:45 gsr1-BUFF 4361799: May  4 20:40:44.795: %RP-4-RSTSLOT:
> Resetting the card in the slot: 3,Event: CEF failure
> --------------------------------------
> 
> Here is the show diag from the Line Card:
> 
> SLOT 3  (RP/LC 3 ): 3 Port Gigabit Ethernet
>   MAIN: type 68,  800-6376-03 rev C0
>         Deviation:  D008017
>         HW config: 0x00    SW key: 00-00-00
>   PCA:  73-4775-06 rev B0 ver 2
>         Design Release 2.0  S/N CAB0527JGN1
>   MBUS: Embedded Agent
>         Test hist: 0x00    RMA#: 00-00-00    RMA hist: 0x00
>   DIAG: Test count: 0x05000006    Test results: 0x00000000
>   FRU:  Linecard/Module: 3GE-GBIC-SC=
>         Processor Memory: MEM-GRP/LC-256=
>         Packet Memory: MEM-PKT-512-UPG=
>   L3 Engine: 2 - Backbone OC48 (2.5 Gbps)
>   MBUS Agent Software version 2.70 (RAM) (ROM version is 3.67)
>   ROM Monitor version 19.1
>   Fabric Downloader version used 11.5 (ROM version is 11.5)
>   Primary clock is CSC 1
>   Board is analyzed
>   Board State is Line Card Enabled (IOS  RUN )
>   Insertion time: 24w4d (00:28:12 ago)
>   Processor Memory size: 268435456 bytes
>   TX Packet Memory size: 268435456 bytes, Packet Memory pagesize: 16384 bytes
>   RX Packet Memory size: 268435456 bytes, Packet Memory pagesize: 16384 bytes
>   1 crash since restart
> -------------------------
> 
> And For the Processor diag:
> 
> show diags 0
> 
> SLOT 0  (RP/LC 0 ): Performance Route Processor
>   MAIN: type 96,  800-23469-02 rev A0
>         Deviation:  D074404, D074394, D073524
>         HW config: 0x10    SW key: 00-00-00
>   PCA:  73-8812-05 rev A0 ver 5
>         Design Release 0.0  S/N SAD082805A5
>   MBUS: MBUS Agent (1)  73-8048-06 rev A0 dev 0
>         HW version 0.1  S/N CAT08180BD7
>         Test hist: 0x00    RMA#: 00-00-00    RMA hist: 0x00
>   DIAG: Test count: 0x00000000    Test results: 0x00000000
>   FRU:  Linecard/Module: PRP-2=
>         Route Memory: MEM-PRP/LC-3584=
>   MBUS Agent Software version 2.70 (RAM) (ROM version is 3.68)
>   ROM Monitor version 1.23(0.36)
>   Primary clock is CSC 1
>   Board State is IOS Running  ACTIVE (ACTV  RP )
>   Insertion time: 00:00:07 (24w4d ago)
>   DRAM size: 3758096384 bytes
>   DRAM DIMM Slot 1: 2048M found, Slot 2: 2048M found
> 
> -------------------
> 
> 
> Here is the BGP Config:
> 
> router bgp xxxx
>  no synchronization
>  bgp router-id x.x.x.x
>  no bgp fast-external-fallover
>  bgp log-neighbor-changes
>  bgp dampening
>  network x.x.x.x mask 255.255.254.0
>  network x.x.x.x mask 255.255.252.0
>  redistribute static
>  neighbor x.x.x.x remote-as x.x.x.x
>  neighbor x.x.x.x description Telco1
>  neighbor x.x.x.x password 7 xxxxx
>  neighbor x.x.x.x ebgp-multihop 5
>  neighbor x.x.x.x version 4
>  neighbor x.x.x.x route-map BGP-OUTGOING out
>  neighbor x.x.x.x maximum-prefix 400000 warning-only
>  no auto-summary
> 
> 
> Any help would be appreciated.
> Thanks.
> 
> 
> Dominic
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