Operation Manual - Routing Protocol
Quidway S3500 Series Ethernet Switches Chapter 5 BGP Configuration
Huawei Technologies Proprietary
5-10
Table 5-14 Configuring the repeating time of as-path
Operation Command
Configure the repeating time of
local AS
peer { group-name | peer-address }
allow-as-loop [ number ]
Remove the repeating time of
local AS
undo peer { group-name | peer-address }
allow-as-loop
VIII. Specifying the source interface of a route update packet
Generally, the system specified the source interface of a route update packet. When
the interface fails to work, in order to keep the TCP connection valid, the interior BGP
session can be configured to specify the source interface. This command is usually
used the Loopback interface.
Table 5-15 Specifying the source interface of a route update packet
Operation Command
Specify the source interface of
a route update packet
peer { peer-address | group-name }
connect-interface interface-type interface-name
Use the best source interface
undo peer { peer-address | group-name }
connect-interface interface-type interface-name
By default, BGP carries out TCP connection with the optimal source interface.
IX. Configuring BGP MD5 authentification password
BGP uses TCP as its transport layer. For the sake of high security, you can configure
MD5 authentication password when setting up TCP connection. In other words, BGP
MD5 authentication just sets password for TCP connection, but not for authenticating
BGP packets. The authentication is implemented by TCP.
Please perform the following configurations in BGP view.
Table 5-16 Configuring BGP MD5 authentication
Operation Command
Configure MD5 authentication
password
peer { group-name | peer-address } password
{ cipher | simple } password
Cancel MD5 authentication
undo peer { group-name | peer-address }
password
In BGP, no MD5 authentication is performed in setting up TCP connections by default.
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