show isis backup spf results
Syntax
show isis backup spf results<instance instance-name><level (1 | 2)><logical-system (all | logical-system-name)> <no-coverage> <topology (ipv4-unicast | ipv6-multicast | ipv6-unicast | unicast)>
Syntax (EX Series Switches)
show isis backup spf results<instance instance-name><level (1 | 2)><no-coverage> <topology (ipv4-unicast | unicast)>
Description
Display information about IS-IS shortest-path-first (SPF) calculations for backup paths.
Options
| none | Display information about IS-IS SPF calculations for all backup paths for all destination nodes. |
| instance instance-name | (Optional) Display SPF calculations for backup paths for the specified routing instance. |
| level (1 | 2) | (Optional) Display SPF calculations for the backup paths for the specified IS-IS level. |
| logical-system logical-system-name | (Optional) Display SPF calculations for the backup paths for all logical systems or on a particular logical system. |
| no-coverage | (Optional) Display SPF calculations only for destinations that do not have backup coverage. |
| topology (ipv4-multicast | ipv6-multicast | ipv6-unicast | unicast) | (Optional) Display SPF calculations for backup paths for the specified topology only. |
Required Privilege Level
view
Output Fields
Table 1 lists the output fields for the show isis backup spf
results command. Output fields are listed in the approximate
order in which they appear.
Field Name |
Field Description |
|---|---|
node-name |
Name of the destination node. |
Address |
Address of the destination node. |
Primary next-hop |
Interface and name of the node of the primary next hop to reach the destination. |
Root |
Name of the next-hop neighbor. |
Metric |
Metric to the node. |
Eligible |
Indicates that the next-hop neighbor has been designated as a backup path to the destination node. |
Backup next-hop |
Name of the interface of the backup next hop. |
SNPA |
Subnetwork point of attachment (MAC address of the next hop). |
LSP |
Name of the MPLS label-switched path (LSP) designated as a backup path. |
Not eligible |
Indicates that the next-hop neighbor cannot function as a backup path to the destination. |
Reason |
Describes why the next-hop neighbor is designated as |
Sample Output
show isis backup spf results
user@host> show isis backup spf results
IS-IS level 1 SPF results:
0 nodes
IS-IS level 2 SPF results:
banff.00
Primary next-hop: so-6/0/0.0, IPV4, olympic
Primary next-hop: ae0.0, IPV4, camaro, SNPA: 0:90:69:f:67:f0
Primary next-hop: so-6/0/0.0, IPV6, olympic
Primary next-hop: ae0.0, IPV6, camaro, SNPA: 0:90:69:f:67:f0
Root: camaro, Root Metric: 10, Metric: 10
Not eligible, Reason: Primary next-hop multipath
Root: olympic, Root Metric: 10, Metric: 10
Not eligible, Reason: Primary next-hop multipath
Root: glacier, Root Metric: 10, Metric: 25
Not eligible, Reason: Primary next-hop multipath
crater.00
Primary next-hop: so-6/0/0.0, IPV4, olympic
Primary next-hop: so-6/0/0.0, IPV6, olympic
Root: olympic, Root Metric: 10, Metric: 10
Not eligible, Reason: Primary next-hop link fate sharing
Root: glacier, Root Metric: 10, Metric: 15
Eligible, Backup next-hop: as0.0, IPV4, glacier
Eligible, Backup next-hop: as0.0, IPV6, glacier
Root: camaro, Root Metric: 10, Metric: 20
Not eligible, Reason: Interface is already covered
olympic.00
Primary next-hop: so-6/0/0.0, IPV4, olympic
Primary next-hop: so-6/0/0.0, IPV6, olympic
Root: olympic, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: camaro, Root Metric: 10, Metric: 20
track-item: olympic.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: glacier, Root Metric: 10, Metric: 20
track-item: olympic.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
camaro.00
Primary next-hop: ae0.0, IPV4, camaro, SNPA: 0:90:69:f:67:f0
Primary next-hop: ae0.0, IPV6, camaro, SNPA: 0:90:69:f:67:f0
Root: camaro, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: glacier, Root Metric: 10, Metric: 20
track-item: camaro.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: olympic, Root Metric: 10, Metric: 20
track-item: camaro.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
glacier.00
Primary next-hop: as0.0, IPV4, glacier
Primary next-hop: as0.0, IPV6, glacier
Root: glacier, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: camaro, Root Metric: 10, Metric: 20
track-item: glacier.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: olympic, Root Metric: 10, Metric: 20
track-item: glacier.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
5 nodesshow isis backup spf results no-coverage
user@host> show isis backup spf results no-coverage
IS-IS level 1 SPF results:
pro-bng3-k.00
Primary next-hop: fe-1/3/3.0, IPV4, pro-bng3-k, SNPA: b0:c6:9a:2c:f0:de
Primary next-hop: fe-1/3/3.0, IPV6, pro-bng3-k, SNPA: b0:c6:9a:2c:f0:de
Root: pro-bng3-k, Root Metric: 10, Metric: 0, Root Preference: 0x0
Root: pro-bng3-i, Root Metric: 10, Metric: 20, Root Preference: 0x0
track-item: pro-bng3-k.00-00
track-item: pro-bng3-j.00-00
pro-bng3-i.00
Primary next-hop: fe-0/1/2.0, IPV4, pro-bng3-i, SNPA: b0:c6:9a:2a:f4:21
Primary next-hop: fe-0/1/2.0, IPV6, pro-bng3-i, SNPA: b0:c6:9a:2a:f4:21
Root: pro-bng3-i, Root Metric: 10, Metric: 0, Root Preference: 0x0
Root: pro-bng3-k, Root Metric: 10, Metric: 20, Root Preference: 0x0
track-item: pro-bng3-j.00-00
track-item: pro-bng3-i.00-00
2 nodes
IS-IS level 2 SPF results:
olympic.00
Primary next-hop: so-6/0/0.0, IPV4, olympic
Primary next-hop: so-6/0/0.0, IPV6, olympic
Root: olympic, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: camaro, Root Metric: 10, Metric: 20
track-item: olympic.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: glacier, Root Metric: 10, Metric: 20
track-item: olympic.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
camaro.00
Primary next-hop: ae0.0, IPV4, camaro, SNPA: 0:90:69:f:67:f0
Primary next-hop: ae0.0, IPV6, camaro, SNPA: 0:90:69:f:67:f0
Root: camaro, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: glacier, Root Metric: 10, Metric: 20
track-item: camaro.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: olympic, Root Metric: 10, Metric: 20
track-item: camaro.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
glacier.00
Primary next-hop: as0.0, IPV4, glacier
Primary next-hop: as0.0, IPV6, glacier
Root: glacier, Root Metric: 10, Metric: 0
Not eligible, Reason: Primary next-hop link fate sharing
Root: camaro, Root Metric: 10, Metric: 20
track-item: glacier.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
Root: olympic, Root Metric: 10, Metric: 20
track-item: glacier.00-00
track-item: kobuk.00-00
Not eligible, Reason: Path loops
3 nodesRelease Information
Command introduced in Junos OS Release 9.5.