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display isis spf-tree
Use display isis spf-tree to display IS-IS IPv4 topology information.
Syntax
display isis spf-tree [ ipv4 ] [ [ level-1 | level-2 ] | verbose ] * [ process-id ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
ipv4: Displays IS-IS IPv4 topology information. Without this keyword, the command displays IS-IS IPv4
topology information.
level-1: Displays Level-1 IS-IS topology information. If no level is specified, the command displays both
Level-1 and Level 2 topology information.
level-2: Displays Level-2 IS-IS topology information. If no level is specified, the command displays both
Level-1 and Level 2 topology information.
verbose: Displays detailed IS-IS topology information. Without this keyword, the command displays brief
topology information.
process-id: Specifies an IS-IS process by its ID in the range of 1 to 65535. Without this argument, the
command displays topology information for all IS-IS processes.
Examples
# Display brief IS-IS IPv4 topology information.
<Sysname> display isis spf-tree
Shortest Path Tree for IS-IS(1)
-------------------------------
Flags: S-Node is on SPF tree T-Node is on tent list
O-Node is overload R-Node is directly reachable
I-Node or Link is isolated D-Node or Link is to be deleted
C-Neighbor is child P-Neighbor is parent
V-Link is involved N-Link is a new path
L-Link is on change list U-Protocol usage is changed
H-Nexthop is changed
Level-1 Shortest Path Tree
--------------------------
SpfNode NodeFlag SpfLink LinkCost LinkFlag
-------------------------------------------------------------------------------
0000.0000.0032.00 S/-/-/-/-/-
-->0000.0000.0032.01 10 -/-/C/-/-/-/-/-/-
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