Is-is configuration examples, Basic is-is configuration, Network requirements – H3C Technologies H3C S12500 Series Switches User Manual

Page 183

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167

Task Command

Remarks

Display information about
IS-IS enabled interfaces.

display isis interface [ statistics | [ interface-type
interface-number
] [ verbose ] ] [ process-id |
vpn-instance vpn-instance-name ] [ | { begin |

exclude | include } regular-expression ]

Available in any view.

Display IS-IS LSDB
information.

display isis lsdb [ [ l1 | l2 | level-1 | level-2 ] |
[ lsp-id lspid | lsp-name lspname ] | local | verbose ]

* [ process-id | vpn-instance vpn-instance-name ] [ |
{ begin | exclude | include } regular-expression ]

Available in any view.

Display IS-IS mesh group
information.

display isis mesh-group [ process-id | vpn-instance

vpn-instance-name ] [ | { begin | exclude | include }
regular-expression ]

Available in any view.

Display the
host-name-to-system-ID

mapping table.

display isis name-table [ process-id | vpn-instance
vpn-instance-name ] [ | { begin | exclude | include }

regular-expression ]

Available in any view.

Display IS-IS neighbor
information.

display isis peer [ statistics | verbose ] [ process-id |
vpn-instance vpn-instance-name ] [ | { begin |

exclude | include } regular-expression ]

Available in any view.

Display IS-IS IPv4 routing
information.

display isis route [ ipv4 ] [ [ level-1 | level-2 ] |
verbose ] * [ process-id [ ipv4-unicast
topology-name ] | vpn-instance vpn-instance-name ]

[ | { begin | exclude | include } regular-expression ]

Available in any view.

Display IS-IS SPF calculation
log information.

display isis spf-log [ process-id | vpn-instance
vpn-instance-name ] [ | { begin | exclude | include }

regular-expression ]

Available in any view.

Display IS-IS statistics.

display isis statistics [ level-1 | level-1-2 | level-2 ]
[ process-id | vpn-instance vpn-instance-name ] [ |
{ begin | exclude | include } regular-expression ]

Available in any view.

Clear IS-IS process data
structure information.

reset isis all [ process-id | vpn-instance
vpn-instance-name ]

Available in user
view.

Clear the data structure
information of an IS-IS
neighbor.

reset isis peer system-id [ process-id | vpn-instance
vpn-instance-name ]

Available in user
view.

IS-IS configuration examples

By default, Ethernet, VLAN, and aggregate interfaces are down. Before configuring these interfaces,

bring them up by using the undo shutdown command.

Basic IS-IS configuration

Network requirements

As shown in

Figure 65

, Switch A, B, C, and D reside in an IS-IS AS. Switch A and B are Level-1 switches,

Switch D is a Level-2 switch, and Switch C is a Level-1-2 switch. Switch A, B, and C are in Area 10, while

Switch D is in Area 20.

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