3Com Switch 8800 Family Configuration Guide

370 CHAPTER 33: BGP CONFIGURATION
is used to configure certain outbound routers to ignore the private AS numbers
while transmitting update messages.
Perform the following configuration in BGP view.
By default, the private AS numbers are included during BGP update messages
transmission.
The configuration can only be applied to the peer group.
Configuring to send the community attributes to a peer group
Perform the following configuration in BGP view.
By default, the BGP speaker does not send the community attributes to a peer
group.
Configuring the repeating time of local AS
BGP records the passed AS numbers in the routing information, and checks route
loop depending on whether the AS number are repeated. In some special
applications, it is allowed to receive the routing information with the repeated AS
number.
Perform the following configuration in BGP view.
By default, the allowed repeating time of local AS is set to 1.
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
Tabl e 360 Remove private AS numbers while transmitting BGP update messages
Operation Command
Remove private AS numbers while
transmitting BGP update messages
peer group-name public-as-only
Include private AS numbers while transmitting
BGP update messages
undo peer group-name public-as-only
Tabl e 361 Configure to send the community attributes to a peer group
Operation Command
Configure to send the community attributes
to a peer group
peer group-name advertise-community
Configure not to send the community
attributes to a peer group
undo peer group-name
advertise-community
Tabl e 362 Configure the repeating time of local AS
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