3Com 3031 Command Reference Manual page 659

preference
reflect between-clients
Example
Perform the filtering on the vpn-target extended community of the received
routing information.
[3Com-bgp] policy vpn-target
Syntax
preference value
undo preference
View
BGP protocol view, BGP multicast address family view
Parameter
value: Specifies the preference, ranging from 1 to 256. By default, the value is
170.
Description
Using the preference command, you can configure the preference of BGP
protocol. Using the undo preference command, you can restore the default
preference.
Each kind of routing protocol has its own preference, by which the routing policy
will select the optimal one from the routes of different protocols. The greater the
preference value is, the lower the preference is. BGP defines two kinds of routes:
One is learned from external peer. The other is learned from internal peer. The
preferences of the two routes can be different, which can be set manually.
The system supports to configure different preferences for different sub-address
families, including unicast address family and multicast address family at present.
Example
Configure the preference of BGP protocol to 150.
[3Com-bgp] preference 150
Syntax
reflect between-clients
undo reflect between-clients
View
BGP view, VPNv4 view, VPN instance view
Parameter
None
Description
Using the reflect between-clients command, you can set the between-client
reflection of a route. Using the undo reflect between-clients command, you can
disable this function.
By default, the reflection between clients is disabled.
BGP Configuration Commands 659