Table of Contents
Advertisement
Step
2.
Enter IS-IS IPv4 unicast
address family view.
3.
Filter routes redistributed
from other routing protocols
or IS-IS processes.
Configuring IS-IS route leaking
Perform this task to control route advertisement (route leaking) between Level-1 and Level-2.
You can configure IS-IS to advertise routes from Level-2 to Level-1, and to not advertise routes from
Level-1 to Level-2.
To configure IS-IS route leaking:
Step
1.
Enter system view.
2.
Enter IS-IS IPv4 unicast
address family view.
3.
Configure route leaking from
Level-1 to Level-2.
4.
Configure route leaking from
Level-2 to Level-1.
Advertising IS-IS link state information to BGP
After the device advertises IS-IS link state information to BGP, BGP can advertise the information for
intended applications. For more information about BGP LS, see
To advertise IS-IS link state information to BGP:
Step
1.
Enter system view.
2.
Enter IS-IS view.
3.
Advertise IS-IS link state
information to BGP.
Command
a
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
b
cost-style { wide |
wide-compatible }
c
address-family ipv4 [ unicast ]
filter-policy { ipv4-acl-number |
prefix-list prefix-list-name |
route-policy route-policy-name }
export [ protocol [ process-id ] ]
Command
system-view
a
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
b
cost-style { wide |
wide-compatible }
c
address-family ipv4 [ unicast ]
import-route isis level-1 into level-2
[ filter-policy { ipv4-acl-number |
prefix-list prefix-list-name |
route-policy route-policy-name } |
tag tag ] *
import-route isis level-2 into level-1
[ filter-policy { ipv4-acl-number |
prefix-list prefix-list-name |
route-policy route-policy-name } |
tag tag ] *
Command
system-view
isis [ process-id ] [ vpn-instance
vpn-instance-name ]
distribute bgp-ls [ instance-id id ]
[ level-1 | level-2 ]
149
Remarks
N/A
By default, IS-IS route
filtering is not configured.
Remarks
N/A
N/A
By default, IS-IS advertises
routes from Level-1 to
Level-2.
By default, IS-IS does not
advertise routes from
Level-2 to Level-1.
"Configuring
BGP."
Remarks
N/A
N/A
By default, the device does not
advertise IS-IS link state
information to BGP.
Advertisement
Table of Contents
Troubleshooting
