ECS4660-28F_Management Guide-R03

C HAPTER 51 | IP Routing Commands
Border Gateway Protocol (BGPv4)
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COMMAND USAGE
By default, BGP will advertise a route regardless of the Interior Gateway
Protocol (IGP) in use. This command forces the router to verify the
existence of the next hop for an advertised route, and to ensure that the
route is accessible to an IGP.
EXAMPLE
Console(config-router)#bgp network import-check
Console(config-router)#
bgp router-id This command sets the router ID for this device. Use the no form to
remove this ID.
SYNTAX
bgp router-id router-id
no bgp router-id
router-id – Router ID formatted as an IPv4 address.
COMMAND MODE
Router Configuration
DEFAULT SETTING
The highest IP address configured for an interface.
COMMAND USAGE
◆ By default, the router ID is automatically set to the highest IP address
configured for a Layer 3 interface. This command can be used manually
set the router ID to a fixed value.
◆ The router ID must be unique for every router in the autonomous
system. Using the default setting based on the highest interface
address ensures that each router ID is unique.
◆ All neighbor sessions will be reset if the router ID is changed.
EXAMPLE
Console(config-router)#bgp router-id 192.168.0.254
Console(config-router)#