3Com 4800G Series, Configuration Manual

Page: 472 / 1246

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