advertise
Leak routes between levels (distribute IP prefixes between Level 1 and Level 2 and vice versa).
E-Series, S4810
Syntax
advertise {level1-into-level2 | level2-into-level1} prefix-
list-name
To return to the default, use the no advertise {level1-into-level2 | level2-
into-level1}[prefix-list-name] command.
Parameters
level1-into-level2 Enter the keywords level1-into-level2 to advertise Level 1
routes into Level 2 LSPs. This is the default.
level2-into-level1 Enter the keywords level2-into-level1 to advertise Level 2
inter-area routes into Level 1 LSPs. This is described in RFC 2966.
prefix-list-name
Enter the name of a configured IP prefix list. Routes meeting the
criteria of the IP Prefix list are leaked.
Defaults level1-into-level2 (Level 1 to Level 2 leaking enabled.)
Command Modes
• ROUTER ISIS (
for IPv4
)
• CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (
for IPv6
)
Command History
Version 8.3.12.0 Introduced on the S4810.
Version 7.5.1.0 Added IPv6 ISIS support.
Version 6.3.1.0 Version 6.3.1.0 Introduced
Usage
Information
You cannot disable leaking from one level to another; however, you can regulate the rate flow
from one level to another using an IP Prefix list. If you do not configure the IP Prefix list, all
routes are leaked.
You can find additional information in IETF RFC 2966,
Domain-wide Prefix Distribution with Two-
Level IS-IS
.
area-password
Configure a hash message authentication code (HMAC) password for an area.
E-Series, S4810
Syntax
area-password [hmac-md5 | encryption-type] password
To delete a password, use the no area-password command.
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