show isis topology
Use this command to display paths to Intermediate Systems.
Command Syntax
show isis topology (l1|l2|level-1|level-2|)
show isis WORD topology (l1|l2|level-1|level-2|)
Parameters
WORD
Display information for specified instance.
l1
Display the path to all level-1 routers in the area.
l2
Display the path to all level-2 routers in the domain.
level-1
Display the path to all level-1 routers in the area.
level-2
Display the path to all level-2 routers in the domain.
Command Mode
Exec mode, Privileged Exec mode
Applicability
This command was introduced before OcNOS version 1.3.
Example
#show isis topology
Tag abc: VRF : default
IS-IS paths to level-1 routers
System Id Metric Next-Hop Interface SNPA
000F.0000.0001 --
000F.0000.0002 10 000F.0000.0002 eth2 0006.5B0E.D27D
IS-IS paths to level-2 routers
System Id Metric Next-Hop Interface SNPA
0000.0000.0001 10 0000.0000.0001 eth2 0000.0CFA.F002
Table 3-83 explains the output fields.
Table 3-83: show isis topology output
Field | Description |
|---|
Tag | Name that identifies the IS-IS area. |
VRF | VRF name. |
IS-IS paths to level-n routers | Each IS-IS level has a section with topology information. |
System Id | Uniquely identifies a system within an area. |
Metric | ISIS metric used for SPF calculation (1-63). |
Next-Hop | This route is available through the next hop router located at this IP address. |
Interface | Interface from which the system was learned. |
SNPA | SubNetwork Point of Attachment (SNPA): MAC address of the device. |
Last modified date: 08/28/2023