show ldp fec
Use the following command to display all FECs (Forwarding Equivalence Classes) known to this LSR.
Command Syntax
show ldp fec
show ldp fec (prefix)
show mpls ldp fec
show mpls ldp fec (prefix|)Parameter
prefix
Display prefix FEC information.
Command Mode
Exec mode and Privileged Exec mode
Applicability
This command was introduced before OcNOS version 1.3 and was updated in OcNOS version 5.1.
Example
When LDP LFA FRR in not enabled:
#show ldp fec
LSR codes : E/N - LSR is egress/non-egress for this FEC,
L - LSR received a label for this FEC,
> - LSR will use this route for the FEC
FEC Code Session Out Label ELC Nexthop Addr
10.0.1.0/31 NL 22.1.1.1 impl-null No connected
E > non-existent none No connected
10.0.2.0/31 NL 44.1.1.1 24322 No no nexthop
NL> 22.1.1.1 impl-null No 10.0.1.1
10.0.3.0/31 NL 22.1.1.1 24323 No no nexthop
NL> 44.1.1.1 impl-null No 10.0.4.1
10.0.4.0/31 NL 44.1.1.1 impl-null No connected
E > non-existent none No connected
11.1.1.1/32 E > non-existent none No connected
22.1.1.1/32 NL> 22.1.1.1 impl-null No 10.0.1.1
33.1.1.1/32 NL> 44.1.1.1 24323 No 10.0.4.1
NL> 22.1.1.1 24324 No 10.0.1.1
44.1.1.1/32 NL> 44.1.1.1 impl-null No 10.0.4.1
192.168.254.0/24 NL 22.1.1.1 impl-null No connected
NL 44.1.1.1 impl-null No connected
E > non-existent none No connectedWhen LDP LFA FRR in enabled:
#show ldp fec
LSR codes : E/N - LSR is egress/non-egress for this FEC,
L - LSR received a label for this FEC,
P - Primary route, B - LFA Backup route,
R - Remote LFA Backup route,
> - LSR will use this route for the FEC
FEC Code Session Out Label ELC Nexthop Addr
10.0.1.0/31 NL 22.1.1.1 impl-null No connected
E > non-existent none No connected
10.0.2.0/31 NLB> 44.1.1.1 24322 No 10.0.4.1
NLP> 22.1.1.1 impl-null No 10.0.1.1
10.0.3.0/31 NLB> 22.1.1.1 24323 No 10.0.1.1
NLP> 44.1.1.1 impl-null No 10.0.4.1
10.0.4.0/31 NL 44.1.1.1 impl-null No connected
E > non-existent none No connected
11.1.1.1/32 E > non-existent none No connected
22.1.1.1/32 NLP> 22.1.1.1 impl-null No 10.0.1.1
33.1.1.1/32 NLP> 44.1.1.1 24323 No 10.0.4.1
NLB> 44.1.1.1 24323 No 10.0.4.1
NLP> 22.1.1.1 24324 No 10.0.1.1
NLB> 22.1.1.1 24324 No 10.0.1.1
44.1.1.1/32 NLP> 44.1.1.1 impl-null No 10.0.4.1
1.1.1.1/32 NL 1.1.1.1 impl-null No no nexthop
NLP> 3.3.3.3 24320 No 30.1.1.1
NLB> 3.3.3.3 24320 No 30.1.1.1
NLP> 2.2.2.2 24320 No 20.1.1.1
NLB> 2.2.2.2 24320 No 20.1.1.1
2.2.2.2/32 NLR> 1.1.1.1 24324 No 1.1.1.1
(via 30.1.1.1,label 24320)
NLP> 2.2.2.2 impl-null No 20.1.1.1
192.168.254.0/24 NL 22.1.1.1 impl-null No connected
NL 44.1.1.1 impl-null No connected
E > non-existent none No connectedTable 49 shows the codes at the end of each route entry that indicate where the route originated.
|
Origin Code |
Description |
Comments |
|
E/N |
Egress/Non-egress |
LSR is egress/non-egress for this FEC. |
|
L |
LSR |
LSR received a label for this FEC. |
|
> |
|
LSR will use this route for the FEC. |
|
P |
Primary route |
When LDP LFA FRR is enabled |
|
B |
LFA Backup route |
When LDP LFA FRR is enabled |
|
R |
Remote LFA Backup route |
When LDP LFA FRR is enabled |
Table 50 explains the show command output fields.
|
Field |
Description |
|
FEC |
Displays the Forward Equivalency Class (FEC) for this entry. |
|
Session |
Reports the current session state. |
|
Out Label |
Label received from downstream neighbor for route. |
|
ELC |
Displays if route has ELC |
|
Nexthop addr |
Displays the IP address of the next hop. |