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Cisco Bug: CSCsz23108 - Applying BGP soft-configuration router crashes after 300k prefixes

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


When applying soft-configuration inbound to IPv4 family within BGP. The router can crash after receiving 300,000 prefixes. If the soft-configuration is not present, the router is stable.

Found on IOS: asr1000rp1-advipservices.02.02.02_FC2.122-33.XNB2_FC2

Added new BGP AS session. Prefixes were stable before adding the below configuration change. After receiving 300,000 soft configuration prefixes, the router crashes.

r1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
r1(config)#router bgp <as number>r1(config-router)#address        
r1(config-router)#address-family ipv4
r1(config-router-af)#  neighbor <IP address>  soft-reconfiguration inbound 
r1(config-router-af)# end
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