3Com Switch 4800G 24-Port Configuration Manual page 472

472 C 36: IP 6 BGP C
HAPTER V
Configuring IPv6 BGP
Route Redistribution
n
Advertising a Default
Route to a Peer/Peer
Group
n
Configuring Route
Distribution Policy
ONFIGURATION
Follow these steps to configure IPv6 BGP route redistribution and filtering:
To do...
Enter system view
Enter BGP view
Enter IPv6 address family view ipv6-family
Enable default route
redistribution into the IPv6
BGP routing table
Enable route redistribution
from another routing protocol
If the default-route imported command is not configured, using the
import-route command cannot redistribute any IGP default route.
Follow these steps to configure to advertise default route to a peer/peer group:
To do...
Enter system view
Enter BGP view
Enter IPv6 address family
view
Advertise a default route
to a peer/peer group
With the peer default-route-advertise command used, the local router
advertises a default route with itself as the next hop to the specified peer/peer
group, regardless of whether the default route is available in the routing table.
Follow these steps to configure policies for route distribution:
To do...
Enter system view
Enter BGP view
Enter IPv6 address family view ipv6-family
Configure outbound route
filtering
Apply a routing policy to
routes advertised to a
peer/peer group
Specify an IPv6 ACL to filer
routes advertised to a
peer/peer group
Specify an AS path ACL to
filer routes advertised to a
peer/peer group
Use the command...
system-view
bgp as-number
default-route imported
import-route protocol
[ process-id ] [ med
med-value | route-policy
route-policy-name ]*
Use the command...
system-view
bgp as-number
ipv6-family
peer { ipv6-group-name | ipv6-address }
default-route-advertise
[ route-policy route-policy-name ]
Use the command...
system-view
bgp as-number
filter-policy { acl6-number |
ipv6-prefix
ipv6-prefix-name } export
[ protocol process-id ]
peer { ipv6-group-name |
ipv6-address } route-policy
route-policy-name export
peer { ipv6-group-name |
ipv6-address } filter-policy
acl6-number export
peer { ipv6-group-name |
ipv6-address } as-path-acl
as-path-acl-number export
Remarks
-
-
-
Optional
Not enabled by default
Required
Not enabled by default
Remarks
-
Required
-
Required
Not advertised by
default
Remarks
-
Required
-
Required
Not configured by default
Required
Not applied by default
Required
Not specified by default
Required
Not specified by default