06-25-2002 02:17 PM - edited 03-01-2019 10:42 PM
A "sh ip bgp sum" gives a session in a "PfxCt" state. The session does not come up but stays in this state. What does this mean?
06-25-2002 02:17 PM
Idle (PfxCt) - for prefix count over limit
It means that you've probably configured a maximum number
of prefix and you've reached such maximum number.
06-08-2012 06:41 PM
This may be due to a maximum prefix restriction set by your service provider.
Eg:
PE router config:
R7# sh run | s r b
router bgp 6501
no synchronization
bgp log-neighbor-changes
network 70.0.0.0
network 80.0.0.1 mask 255.255.255.255
neighbor 70.0.0.2 remote-as 6500
neighbor 70.0.0.2 soft-reconfiguration inbound
neighbor 70.0.0.2 maximum-prefix 15 restart 1
no auto-summary
Logs indicate:
*Jun 9 07:09:14.363: %BGP-3-MAXPFXEXCEED: Number of prefixes received from 70.0.0.2 (afi 0): 16 exceeds limit 15
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
70.0.0.2 4 6500 54 28 0 0 0 00:00:49 Idle (PfxCt)
a) You may reduce the number of prefixes advertised by using a distribute list or
b)Ask your provider to increase the limit.
Hope you find this helpful.
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