[c-nsp] BGP confusion in 12.2(18)SXE2

[Bruce Pinsky]

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Gert Doering wrote:
> Hi,
> 
> On Wed, Sep 14, 2005 at 05:40:02PM -0400, Rodney Dunn wrote:
> 
>>One I missed that I learned about. I haven't looked all that closely
>>at it yet but it's in this same area.
>>
>>CSCsb09852
>>Externally found severe defect: Open (O)
>>BGP: pathless nets not freed when updgrp members are out of sync
> 
> 
> Dunno whether this is also biting us, but "show ip b update-group summary"
> *did* display some table version differences.  
> 
> 80.81.192.108   4 15169   78142   78193 16851068    0    0 2d09h          23
> 80.81.192.111   4  6830   78623   78178 16851626    0    0 2d09h         211
> 80.81.192.116   4  8404   39860   39190 16851436    0    0 2d09h         187
> 80.81.192.118   4 15933   39062   39151 16851626    0    0 2d09h           3
> 
> OTOH, I think this is to be expected on a router that receives a full
> feed (and thus, lots of table changes) and cannot always update all 
> peers in a large peer-group simultaneously (slow peer, whatever).
> 
> I have now "clear ip b * soft out" all of them, waited a couple of 
> minutes (to give the BGP scanner a chance to clean up), and alas, it
> didn't help - but it certainly was worth a try.
> 
> The main symptoms are still the same - "show ip b <prefix>" claiming more 
> paths "available" than actually being displayed, and "show proc mem summ"
> showing 219 Mb for the "BGP Router".
> 
> 
> In the release notes for SXF, there was yet another "BGP does not
> clean up things" bug - CSCsa87034 - could that be "the one"?  Or will 
> that one manifest differently?
> 
> 
> many thanks for looking into this,
> 

Doesn't sound like it.  In that bug, the BGP tables get cleared but not the
main RIB when the "clear bgp ipv4 unicast *" command is used.

- --
=========
bep

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