Reference Guide
868 | IPv6 Border Gateway Protocol (IPv6 BGP)
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Parameters
Defaults
Disabled.
Command Modes
ROUTER BGPV6-ADDRESS FAMILY
Command
History
clear ip bgp ipv6 unicast
c e 
Reset MBGP sessions. 
Syntax
clear ip bgp ipv6 unicast * ipv6-address prefix-length [dampening | flap-statistics] 
peer-group
] 
Parameters
Command Modes
EXEC Privilege
Command
History
half-life time
(OPTIONAL) Enter the number of minutes after which the Penalty is 
decreased. After the router assigns a Penalty of 1024 to a route, the 
Penalty is decreased by half, after the half-life period expires. 
Range: 1 to 45.
Default: 15 minutes
route-map map-name (OPTIONAL) Enter the keyword route-map followed by the name of a 
configured route map.
Only match commands in the configured route map are supported.
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.1 Introduced on C-Series and S4810
Version 7.4.1.0 Introduced on E-Series TeraScale
*
Enter the character * to clear all peers.
ipv6-address prefix-length
Enter the IPv6 address in the x:x:x:x::x format followed by the prefix 
length in the 
/x format. 
Range: /0 to /128
The 
:: notation specifies successive hexadecimal fields of zeros
dampening
(OPTIONAL) Enter the keyword dampening to clear route flap 
dampening information.
flap-statistics
(OPTIONAL) Enter the keyword flap-statistics to reset the flap 
statistics on all prefixes from that neighbor.
peer-group  (OPTIONAL) Enter the keyword peer-group to clear all members 
of a peer-group. 
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.0 Introduced on C-Series and S4810
Version 7.4.1.0 Introduced










