Series, the range is 1 to 128. For the E-Series, the range is 1 to
255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword sonet followed by
the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port
information.
• For a VLAN, enter the keyword vlan followed by a number
from 1 to 4094.
Command Modes
• EXEC
• EXEC Privilege
Command History
Version 8.3.12.0 Introduced on the S4810.
Usage
Information
Use this command to confirm that the neighbor adjacencies are operating correctly. If you
suspect that they are not, you can verify the specified area addresses of the routers by using
the show isis neighbors command.
The following describes the show isis neighbors command shown in the Example
below.
Field Description
System Id The value that identifies a system in an area.
Interface The interface, slot, and port in which the router was discovered.
State The value providing status about the adjacency state. The range is
Up and Init.
Type This value displays the adjacency type (Layer 2, Layer 2 or both).
Priority IS-IS priority advertised by the neighbor. 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.
FTOS#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
!
FTOS#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 )
901
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