[mrtg] BGP Monitoring MRTG

David Manchado dmanchado at eurociber.es
Thu Oct 4 10:24:38 MEST 2001

Hi all,

I want to monitor BGP4 Prefixes on a Cisco Router. This router supports over
10 BGP sessions and I'd like to graph how many prefixes anounces each AS/BGP
Session, is this posible; or can I know the whole amount prefixes anounces
by all the BGP sessions at least?

I've found BGP4-MIB.my and I use the LoadMIBs command (LoadMIBs:
/path/BGP4-MIB.my); I always get the same error: Expected number but get ""

How can I implement this? Do I have to write an external script and link it
to MRTG or I can write down a .cfg file?

In case of I can monitor BGP elements located in
"bgp4PathAttrEntry" ""
"bgp4PathAttrPeer" ""
"bgp4PathAttrIpAddrPrefixLen" ""
"bgp4PathAttrIpAddrPrefix" ""
"bgp4PathAttrOrigin" ""
"bgp4PathAttrASPathSegment" ""
"bgp4PathAttrNextHop" ""
"bgp4PathAttrMultiExitDisc" ""
"bgp4PathAttrLocalPref" ""
"bgp4PathAttrAtomicAggregate" ""
"bgp4PathAttrAggregatorAS" ""
"bgp4PathAttrAggregatorAddr" ""
"bgp4PathAttrCalcLocalPref" ""
"bgp4PathAttrBest" ""
"bgp4PathAttrUnknown" ""

how can I specify with BGP Session? something like
bgp4PathAttrIpAddrPrefix.n&bgp4PathAttrIpAddrPrefixLen.n:public at 190.190.190.

Any help or comments are wellcome.

Many thanks

Regards. David

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