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| IP Routing Commands
C
51
HAPTER
Border Gateway Protocol (BGPv4)
bgp scan-time
network
This command sets the interval at which to validate next hop information
for BGP routes. Use the no form to restore the default setting.
S
YNTAX
bgp scan-time scan-time
no bgp scan-time
scan-time – Next hop validation interval. (Range: 5-60 seconds)
C
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OMMAND
ODE
Router Configuration
D
S
EFAULT
ETTING
60 seconds
C
U
OMMAND
SAGE
This command sets the interval at which to check the validity of the next
hop for all routes in the routing information database. During the interval
between scan cycles, IGP instability or other network problems may cause
black holes or routing loops to form.
E
XAMPLE
Console(config-router)#bgp scan-time 30
Console(config-router)#
This command specifies a network to advertise. Use the no form to stop
advertising a network.
S
YNTAX
network ip-address [netmask] [route-map map-name | [backdoor]
pathlimit ttl]
no network ip-address [netmask]
ip-address – IP address of a to advertise.
netmask – Network mask for the route. This mask identifies the
network address bits used for the associated routing entries.
map-name – Name of the route map. The route map can be used to
filter the networks to advertise. (Range: 1-80 characters)
backdoor – Specifies a backdoor route to a BGP border router that
provides better information about the network.
pathlimit ttl – Maximum number of hops allowed in an AS path.
(Range: 0-255)
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OMMAND
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Router Configuration
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