Users Guide

Specify the area address and system ID for an IS-IS routing process. The last byte must be 00.
For more information about configuring a NET, see IS-IS Addressing.
3 Enter the interface configuration mode.
CONFIGURATION mode
interface interface
Enter the keyword interface then the type of interface and slot/port information:
• For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet then the slot/port
information.
• For the Loopback interface on the RPM, enter the keyword loopback then a number from 0 to
16383.
• For a port channel, enter the keywords port-channel then a number.
• For a SONET interface, enter the keyword sonet then the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port
information.
• For a VLAN, enter the keyword vlan then a number from 1 to 4094.
4 Enter an IPv4 Address.
INTERFACE mode
ip address ip-address mask
Assign an IP address and mask to the interface.
The IP address must be on the same subnet as other IS-IS neighbors, but the IP address does not need
to relate to the NET address.
5 Enter an IPv6 Address.
INTERFACE mode
ipv6 address ipv6-address mask
• ipv6 address: x:x:x:x::x
• mask: The prefix length is from 0 to 128.
The IPv6 address must be on the same subnet as other IS-IS neighbors, but the IP address does not
need to relate to the NET address.
6 Enable IS-IS on the IPv4 interface.
ROUTER ISIS mode
ip router isis [tag]
If you configure a tag variable, it must be the same as the tag variable assigned in step 1.
7 Enable IS-IS on the IPv6 interface.
ROUTER ISIS mode
ipv6 router isis [tag]
If you configure a tag variable, it must be the same as the tag variable assigned in step 1.
Intermediate System to Intermediate System 588