display trill topology

Use display trill topology to display TRILL topology information.

Syntax

display trill topology [ verbose ]

Views

Any view

Predefined user roles

network-admin

network-operator

mdc-admin

mdc-operator

Parameters

verbose: Displays detailed TRILL topology information. If you do not specify this keyword, the command displays brief TRILL topology information.

Examples

# Display brief TRILL topology information.

<Sysname> display trill topology
                         TRILL topology information
                         --------------------------
    Flags: O-Node is overloaded          R-Node is directly reachable
           D-Node or link is to be deleted

SPF node          Node flag    SPF link               Link cost  Link flag
--------------------------------------------------------------------------
0011.2200.0201.00 -/-/-
                               -->0011.2200.0301.01   20000      -
0011.2200.0301.01 -/R/-
                               -->0011.2200.0201.00   0          -
                               -->0011.2200.0301.00   0          -
0011.2200.0301.00 -/-/-
                               -->0011.2200.0301.01   20000      -

# Display detailed TRILL topology information.

<Sysname> display trill topology verbose
                         TRILL topology information
                         --------------------------
    Flags: O-Node is overloaded          R-Node is directly reachable
           D-Node or link is to be deleted

SPF node: 0011.2200.0201.00
  Node flag: -/-/-
  SPF links count: 1
  -->0011.2200.0301.01
    Link cost: 20000
    Link flag: -
    Link sources: 1
     Link source 1
       Type: Adjacent       Interface: N/A
       Cost: 20000          NextHop: N/A

SPF node: 0011.2200.0301.01
  Node flag: -/R/-
  SPF links: 2
  -->0011.2200.0201.00
    Link cost: 0
    Link flag: -
    Link sources count: 1
     Link source 1
       Type: Remote         Interface: N/A
       Cost: 0              NextHop: N/A
  -->0011.2200.0301.00
    Link cost: 0
    Link flag: -
    Link sources: 1
     Link source 1
       Type: Remote         Interface: 
       Cost: 0              NextHop: 0x0002

SPF node: 0011.2200.0301.00
  Node flag: -/-/-
  SPF links: 1
  -->0011.2200.0301.01
    Link cost: 20000
    Link flag: -
    Link sources: 1
     Link source 1
       Type: Remote         Interface: N/A
       Cost: 20000          NextHop: N/A

Table 14: Command output

Field

Description

SPF node

SPF node ID.

Node flag

Flag that indicates the node state:

  • O—The node is in overload state and is not usable.

  • R—The node is directly connected.

  • D—The node is to be deleted.

SPF links

Number of SPF links.

Link flag

Flag that indicates the link state. If the link is to be deleted, this filed displays D.

Link sources

Number of link sources.

Link source 1

Information about a link source.

Type

Link source type:

  • Adjacent—The link source is a neighbor.

  • Remote—The link source is not a neighbor.

Cost

Link cost from the RB to the link source.