[c-nsp] BGP routing table !!

[Raheel Muhammad]

Dear All,

Thanks for the replies but it looks like i have to upgrade the RSP but can
anyone tell me that the limitation is for the routes which will be installed
in forwarding table for. e.g. if i am receiving 3 routing tables so it will
be 3xlimit or limit will only be for what is installed in the forwarding
table.

Regards



On Thu, Jun 17, 2010 at 2:46 PM, Marcus.Gerdon <Marcus.Gerdon at versatel.de>wrote:

> Raheel,
>
> I'm not sure about RSP720 models available ad hoc, but based on Sup720 the
> basic hardware only allows for 256k routes at most. Only having a -XL
> version allows for 1m of (v4) routes.
>
> Your output only shows 'PFC-3C mode' - which tells the current operational
> limit is 256k, but doesn't tell about maximum capacity possible in hardware.
>
> If you do have a XL deployed (look for PFC-3CXL in 'sh mod') just follow
> the hint given in the error message: use 'mls cef maximum-routes' to
> increase the number of forwarding entries allowed in hardware.
>
> Should you have got a non-XL and RSP720 being equal to Sup720 in regards to
> capacity (that's the 256k max) you'll need to swap RSP to handle a full BGP
> table.
>
> Also pay attention to the combination of RSP and DFC's equipped. A XL-RSP
> will operate in non-XL-mode as soon as even a single non-XL-DFC is installed
> in the chassis.
>
>
> regards,
>
> Marcus
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: cisco-nsp-bounces at puck.nether.net
> > [mailto:cisco-nsp-bounces at puck.nether.net] Im Auftrag von
> > Raheel Muhammad
> > Gesendet: Donnerstag, 17. Juni 2010 13:18
> > An: Phil Mayers
> > Cc: cisco-nsp at puck.nether.net
> > Betreff: Re: [c-nsp] BGP routing table !!
> >
> > Hi,
> >
> > Got the issue, but what would be the work around for this?
> > Mqaximum i am
> > allowed is 223K.
> >
> >
>  > 12:44:10.257: %MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD: Hardware
> > CEF entry usage
> > is at 95% capacity for MPLS protocol.
> > 12:44:09.650: %MLSCEF-SP-STDBY-4-FIB_EXCEPTION_THRESHOLD:
> > Hardware CEF entry
> > usage is at 95% capacity for MPLS protocol.
> > 12:44:13.182: %CFIB-SP-STDBY-3-CFIB_EXCEPTION: FIB TCAM
> > exception for IPv4
> > unicast. Packets through some routes will be dropped.
> > Use "mls cef maximum-routes" to modify the FIB TCAM partition or/and
> > consider a hardware upgred.
> > Examine your network and collect the necessary information
> > from this setup.
> > The only way to recover from this state is by reload the  router.
> > 12:44:12.913: %CFIB-SP-3-CFIB_EXCEPTION: FIB TCAM exception for IPv4
> > unicast. Packets through some routes will be dropped.
> > Use "mls cef maximum-routes" to modify the FIB TCAM partition or/and
> > consider a hardware upgred.
> > Examine your network and collect the necessary information
> > from this setup.
> > The only way to recover from this state is by reload the  router.
> >
> >
> >
> > Regards,
> > Raheel
> >
> >
> > On Thu, Jun 17, 2010 at 1:51 PM, Raheel Muhammad
> > <raheel.muhammad at gmail.com>wrote:
> >
> > >
> > > Hi,
> > >
> > > Cisco CISCO7606-S (M8500) processor (revision 1.0) with
> > 851968K/65536K
> > > bytes of memory.
> > > Processor board ID FOX1310G2VB
> > >  BASEBOARD: RSP720
> > >  CPU: MPC8548_E, Version: 2.0, (0x80390020)
> > >  CORE: E500, Version: 2.0, (0x80210020)
> > >  CPU:1200MHz, CCB:400MHz, DDR:200MHz,
> > >  L1:    D-cache 32 kB enabled
> > >         I-cache 32 kB enabled
> > >
> > > Last reset from s/w reset
> > > 2 SIP-400 controllers (5 GigabitEthernet)(5 POS).
> > > 1 Virtual Ethernet interface
> > > 9 Gigabit Ethernet interfaces
> > > 5 Packet over SONET interfaces
> > > 3964K bytes of non-volatile configuration memory.
> > > 507024K bytes of Internal ATA PCMCIA card (Sector size 512 bytes).
> > > Configuration register is 0x2102
> > >
> > > #sh platform hardware pfc mode
> > > PFC operating mode : PFC3C
> > >
> > > No i am not using AS path access-list, its just a straight forward
> > > configuration with route-maps having prefix-lists in it.
> > >
> > > Regards,
> > > Raheel
> > >
> > >
> > >
> > >
> > > On Thu, Jun 17, 2010 at 1:36 PM, Phil Mayers
> > <p.mayers at imperial.ac.uk>wrote:
> > >
> > >> On 17/06/10 00:08, Raheel Muhammad wrote:
> > >>
> > >>> Hi guys,
> > >>>
> > >>> Might be a basic question but i couldnt find anything, i
> > have cisco 7606
> > >>> i
> > >>> just had a new peering with our upstream provider, but
> > router rebooted
> > >>> when
> > >>> routes reached 300k, router is not running anything else
> > as well. Any
> > >>> idea?
> > >>>
> > >>
> > >> That's pretty vague.
> > >>
> > >> Did the router log anything before rebooting? I assume you
> > have syslog
> > >> setup? Did you have anything attached to the serial
> > console, and if so did
> > >> it output anything?
> > >>
> > >> What does "sh ver" say with regards the last reload reason? e.g.
> > >>
> > >> ac-core#sh ver
> > >> <snip>
> > >>
> > >> System returned to ROM by  power cycle at 07:01:04 BST Tue
> > Jun 8 2010 (SP
> > >> by power on)
> > >> System restarted at 07:12:11 BST Tue Jun 8 2010
> > >> System image file is "..."
> > >> Last reload reason: Reason unspecified
> > >>
> > >> Are there any crashinfo files? Try:
> > >>
> > >> dir bootflash:
> > >> dir sup-bootflash:
> > >>
> > >> You say "routes reached 300k" - are you running XL PFC &
> > DFCs? What does:
> > >>
> > >> sh platform hardware pfc mode
> > >>
> > >> ...say?
> > >>
> > >> _______________________________________________
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> > >>
> > >
> > >
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