display ospfv3 spf-tree
Use display ospfv3 spf-tree to display OSPFv3 SPF tree information.
Syntax
display ospfv3 [ process-id ] [ area area-id ] spf-tree [ verbose ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
process-id: Specifies an OSPFv3 process by its ID in the range of 1 to 65535. If you do not specify a process, this command displays SPF tree information for all OSPFv3 processes.
area area-id: Specifies an OSPFv3 area by its ID. The area ID is an IP address or a decimal integer in the range of 0 to 4294967295 that is translated into the IP address format. If you do not specify an area, this command displays SPF tree information for all OSPFv3 areas.
verbose: Displays detailed OSPFv3 SPF tree information. If you do not specify this keyword, the command displays brief OSPFv3 SPF tree information.
Examples
# Display brief SPF tree information for Area 0 in OSPFv3 process 1.
<Sysname> display ospfv3 1 area 0 spf-tree OSPFv3 Process 1 with Router ID 1.1.1.1 Flags: S-Node is on SPF tree R-Node is directly reachable I-Node or Link is init D-Node or Link is to be deleted P-Neighbor is parent A-Node is in candidate list C-Neighbor is child H-Nexthop changed N-Link is a new path V-Link is involved Area: 0.0.0.0 Shortest Path Tree SPFNode Type Flag SPFLink Type Cost Flag >1.1.1.1 Router S R -->2.2.2.2 RT2RT 1 C -->2.2.2.2 RT2RT 1 P
Table 160: Command output
Field | Description |
---|---|
SPFNode | SPF node, represented by the advertising router ID. Node type:
Node flag:
|
SPFLink | SPF link, representing the advertising router ID. Link type:
Link flag:
|
# Display detailed topology information for Area 0 in OSPFv3 process 1.
<Sysname> display ospfv3 1 area 0 spf-tree verbose OSPFv3 Process 1 with Router ID 1.1.1.1 Flags: S-Node is on SPF tree R-Node is directly reachable I-Node or Link is init D-Node or Link is to be deleted P-Neighbor is parent A-Node is in candidate list C-Neighbor is child H-Nexthop changed N-Link is a new path V-Link is involved Area: 0.0.0.0 Shortest Path Tree >SPFNode[0] AdvID : 1.1.1.1 LsID : 0.0.0.0 NodeType : Router Distance : 1 NodeFlag : S R Nexthop count: 1 -->NbrID : 1.1.1.1 NbrIntID : 21 Interface : Vlan102 NhFlag : Valid BkInterface: Vlan103 RefCount : 4 Nexthop : FE80::20C:29FF:FED7:F308 BkNexthop : FE80::4 SPFLink count: 1 -->AdvID : 1.1.1.1 LsID : 0.0.0.0 IntID : 232 NbrIntID : 465 NbrID : 2.2.2.2 LinkType : RT2RT LinkCost : 1 LinkNewCost: 1 LinkFlag : C NexthopCnt : 0 ParentLink count: 1 -->AdvID : 1.1.1.1 LsID : 0.0.0.0 IntID : 215 NbrIntID : 466 NbrID : 2.2.2.2 LinkType : RT2RT LinkCost : 1 LinkNewCost: 1 LinkFlag : P NexthopCnt : 0
Table 161: Command output
Field | Description |
---|---|
SPFNode | SPF node. |
AdvID | ID of the advertising router. |
LsID | Link state ID. |
NodeType | Node type. |
Distance | Cost to the root node. |
NodeFlag | Node flag. |
Nexthop count | Number of next hops. |
NbrID | Neighbor router ID. |
NbrIntID | Neighbor interface ID. |
Interface | Output interface. |
NhFlag | Next hop flag: valid or invalid. |
BkInterface | Backup output interface. |
RefCount | Reference count (routes that use the backup next hop). |
Nexthop | Next hop. |
BkNexthop | Backup next hop. |
SPFLink count | Number of SPF links. |
IntID | Interface ID. |
LinkType | Link type:
|
LinkCost | Link cost. |
LinkNewCost | New link cost. |
LinkFlag | Link flag:
|
NexthopCnt | Number of next hops. |
ParentLinkCnt | Number of parent links. |