Configuring Bgp To Import Routes - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
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8.3.4 Configuring BGP to Import Routes

BGP can import routes from other protocols. When routes are imported from a dynamic routing
protocol, the process IDs of the routing protocol must be specified.
Issue 02 (2014-09-30)
The number of the AS where the specified peer resides must be different from that of
the local AS.
The IP address of the specified peer can be one of the following types:
– IP address of an interface on a directly connected peer
– IP address of a loopback interface on a reachable peer
– IP address of a sub-interface on a directly connected peer
4. (Optional) Run:
peer ipv4-address connect-interface interface-type interface-number
[ ipv4-source-address ]
The source interface and source address are specified for establishing a TCP
connection.
By default, BGP uses the physical interface that is directly connected to the peer as
the local interface of a TCP connection.
NOTE
When loopback interfaces are used to establish a BGP connection, run the peer connect-
interface command at both ends of the connection to ensure that the connection is correctly
established. If this command is run on only one end, the BGP connection may fail to be
established.
5. (Optional) Run:
peer ipv4-address ebgp-max-hop [ hop-count ]
The maximum number of hops is configured for an EBGP connection.
By default, a direct physical link must be available between EBGP peers. If such a
link does not exist, run the peer ebgp-max-hop command to allow EBGP peers to
establish a TCP connection over multiple hops.
If hop-count is not specified in the peer ebgp-max-hop command, 255 is used as the
maximum number of hops in EBGP connections.
NOTE
If loopback interfaces are used to establish an EBGP peer relationship, the peer ebgp-max-
hop command (hop-count ≥ 2) must be run. Otherwise, the peer relationship cannot be
established.
6. (Optional) Run:
peer ipv4-address description description-text
A description is configured for the peer.
Configuring a description for a peer simplifies network management.
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8 BGP Configuration
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