Concept Guide

Field Description
Priority IS-IS priority the neighbor advertises. The neighbor with highest priority becomes the
designated router for the interface.
Uptime Displays the interfaces uptime.
Circuit Id The neighbor’s interpretation of the designated router for the interface.
Example
The bold sections below identify that Multi-Topology IS-IS is enabled.
Dell#show isis neighbors
System Id Interface State Type Priority Uptime Circuit Id
TEST Gi 7/1 Up L1L2
(M) 127 09:28:01 TEST.02
!
Dell#show isis neighbors detail
System Id Interface State Type Priority Uptime Circuit Id
TEST Gi 7/1 Up L1L2
(M) 127 09:28:04 TEST.02 Area Address(es):
49.0000.0001
IP Address(es): 25.1.1.3*
MAC Address: 0000.0000.0000
Hold Time: 28
Link Local Address: fe80::201:e8ff:fe00:492c
Topology: IPv4 IPv6 , Common (IPv4 IPv6 )
Adjacency being used for MTs: IPv4 IPv6
Dell#
show isis protocol
Display IS-IS routing information.
Syntax
show isis protocol
Command Modes
• EXEC
• EXEC Privilege
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Example
The bold section identies that Multi-Topology IS-IS is enabled.
Dell#show isis protocol
IS-IS Router: <Null Tag>
System Id: F100.E120.0013 IS-Type: level-1-2
Manual area address(es):
49.0000.0001
Routing for area address(es):
49.0000.0001
Interfaces supported by IS-IS:
GigabitEthernet 1/0 - IP - IPv6
GigabitEthernet 1/1 - IP - IPv6
GigabitEthernet 1/10 - IP - IPv6
Loopback 0 - IP - IPv6
Redistributing:
Distance: 115
Intermediate System to Intermediate System (IS-IS) 809