Configuring BGP Networks
Use the BGP network settings to change the
route attributes generated by BGP. For each route you want to change,
create a new network entry that contains the IP address and netmask
for the network reachable from the BGP routing instance. Next, configure
the new route attributes for that network. On devices running ScreenOS
6.3, BGP network supports IPv6. The BGP network settings are displayed
in Table 1.
Table 1: BGP
Network Settings
Parameters
|
Your Action
|
Check Route Availability
|
Configure how BGP determines route availability for this
route:
- Turn Off Reachability Check—When enabled, the BGP
routing instance does not test whether it can reach the specified
network.
- Check for Same Route—When enabled, the BGP routing
instance checks the prefix entered after the network for reachability;
if reachable, the BGP routing instance adds the network.
- Check Route Reachability—Select to direct the BGP
routing instance to perform a test to determine whether it can reach
the network you identified.
|
Configure Route Attributes
(ScreenOS 5.1 and later only)
|
Configure how BGP determines the route attributes for
the specified route:
- Weight—Select Weight to
assign a local preference value to the route that is not advertised
to peers. If BGP uses more than one route to a destination, the route
with the highest weight value is preferred.
- Route Map—Select a previously-created route map
to apply attributes for this route. BGP advertises the route with
the route attributes specified in the selected route map.
|
Published: 2009-08-20
