Injecting a local network, Configuring bgp route redistribution, Enabling default route redistribution into bgp – H3C Technologies H3C SR8800 User Manual
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Injecting a local network
In BGP view, you can inject a local network to allow BGP to advertise the network to BGP peers. The
origin attribute of routes advertised in this way is IGP. You can also reference a routing policy to flexibly
control route advertisement. The network to be injected must be available in the local IP routing table.
To inject a local network:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number
N/A
3.
Inject a network to the BGP
routing table.
network ip-address [ mask |
mask-length ] route-policy
route-policy-name
Optional
Not injected by default
Configuring BGP route redistribution
BGP does not find routes by itself. Rather, it redistributes routing information in the local AS from other
routing protocols. During route redistribution, you can configure BGP to filter routing information from
specific routing protocols.
The origin attribute of routes redistributed using the import-route command is Incomplete.
To configure BGP route redistribution:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number
N/A
3.
Enable route redistribution
from a routing protocol into
BGP.
import-route protocol [ { process-id
| all-processes } [ allow-direct |
med med-value | route-policy
route-policy-name ] * ]
Not enabled by default.
The allow-direct keyword is
available only when the specified
routing protocol is OSPF.
NOTE:
Only active routes can be redistributed. You can use the display ip routing-table protocol command to
display route state information.
Enabling default route redistribution into BGP
Using the import-route command cannot redistribute a default route.
To enable default route redistribution into BGP:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP view.
bgp as-number
N/A
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