Setup Guide

• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
• For a Loopback interface, enter the keyword loopback then a number from 0 to 16383.
• For a port channel interface, enter the keywords port-channel then a number.
• For a VLAN interface, 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 prex 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 congure 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 congure a tag variable, it must be the same as the tag variable assigned in step 1.
Examples of the show isis Commands
The default IS type is level-1-2. To change the IS type to Level 1 only or Level 2 only, use the is-type command in ROUTER ISIS mode.
To view the IS-IS conguration, enter the show isis protocol command in EXEC Privilege mode or the show config command in
ROUTER ISIS mode.
To view IS-IS protocol statistics, use the show isis traffic command in EXEC Privilege mode.
DellEMC#show isis traffic
IS-IS: Level-1 Hellos (sent/rcvd) : 4272/1538
IS-IS: Level-2 Hellos (sent/rcvd) : 4272/1538
IS-IS: PTP Hellos (sent/rcvd) : 0/0
IS-IS: Level-1 LSPs sourced (new/refresh) : 0/0
IS-IS: Level-2 LSPs sourced (new/refresh) : 0/0
IS-IS: Level-1 LSPs flooded (sent/rcvd) : 32/19
IS-IS: Level-2 LSPs flooded (sent/rcvd) : 32/17
IS-IS: Level-1 LSPs CSNPs (sent/rcvd) : 1538/0
IS-IS: Level-2 LSPs CSNPs (sent/rcvd) : 1534/0
IS-IS: Level-1 LSPs PSNPs (sent/rcvd) : 0/0
IS-IS: Level-2 LSPs PSNPs (sent/rcvd) : 0/0
IS-IS: Level-1 DR Elections : 2
IS-IS: Level-2 DR Elections : 2
IS-IS: Level-1 SPF Calculations : 29
IS-IS: Level-2 SPF Calculations : 29
444
Intermediate System to Intermediate System