OcNOS-RON : Multi-Protocol Label Switching Guide : Multi-Protocol Label Switching Configuration Guide : Understanding Label Space : Validation
Validation
P#sh ldp
Router ID : 2.2.2.2
LDP Version : 1
Global Merge Capability : Merge Capable
Label Advertisement Mode : Downstream Unsolicited
Label Retention Mode : Liberal
Label Control Mode : Independent
Instance Loop Detection : Off
Request Retry : Off
Propagate Release : Disabled
Graceful Restart : Disabled
Hello Interval : 5
Targeted Hello Interval : 15
Hold time : 15
Targeted Hold time : 45
Keepalive Interval : 10
Keepalive Timeout : 30
Request retry Timeout : 5
Transport Address data :
Labelspace 0 : 2.2.2.2 (in use)
Import BGP routes : No
 
P#show mpls label-space 0
Min-label-value : 1000
Max-label-value : 50000
 
module-static min-label-value : 1000
max-label-value : 15999
module-srgb min-label-value : 16000
max-label-value : 24319
module-rsvp min-label-value : 0
max-label-value : 0
module-ldp min-label-value : 0
max-label-value : 0
module-bgp min-label-value : 0
max-label-value : 0
module-ospf min-label-value : 0
max-label-value : 0
P#sh mpls ilm-table
Codes: > - selected ILM, p - stale ILM, K - CLI ILM, T - MPLS-TP
 
Code FEC ILM-ID In-Label Out-Label In-Intf Out-Intf Nexthop LSP-Type
> 1.1.1.1/32 1 3840 3 N/A eth1 172.168.25.56 LSP_DEFAULT
> 3.3.3.3/32 2 3841 3 N/A eth2 10.10.20.51 LSP_DEFAULT
Per-Interface Label Space
PE1
 
PE1#configure terminal
Enter configure mode
PE1(config)#interface lo
Enter interface mode.
PE1(config-if)#ip address 1.1.1.1/32
Configure IP address for the loopback address
PE1(config-if)#exit
Exit interface mode
PE1(config)#interface xe6
Specify the interface (xe6)to be configured
PE1(config-if)#ip address 10.10.10.1/24
Configure IP address for the interface
PE1(config-if)#no shutdown
Administratively bringing up the interface
PE1(config-if)#exit
Exit interface mode
PE1(config)#router ospf 100
Configure the routing process and specify the Process ID (100)
PE1(config-router)#network 10.10.10.0/
24 area 0
PE1(config-router)#network 1.1.1.1/32 area 0
Define the interface on which OSPF runs and associate the area ID(0)with the interface
PE1(config-router)#exit
Exit configure mode
PE1(config)#router ldp
Enter router mode for LDP
PE1(config-router)#exit
Exit router mode for LDP
PE1(config)#mpls min-label-value 60000 max-label-value 80000 label-space 1
Configure the minimum label value and maximum label value to be used by interface label space (Label space 1 in this case)
PE1(config)#interface xe6
Specify the interface (xe6)to be configured
PE1(config-if)#label-switching
Enabling label switching capability on router
PE1(config-if)#enable-ldp ipv4
Enabling ldp on interface
PE1(config-if)#exit
Exit interface mode
PE1(config)#exit
Exit configure mode
 
P
 
P#configure terminal
Enter configure mode.
P(config)#interface lo
Enter interface mode.
P(config-if)#ip address 2.2.2.2/32
Configure IP address for the loopback address
P(config-if)#exit
Exit interface mode
P(config)#interface xe6
Specify the interface (xe6)to be configured
P(config-if)#ip address 10.10.10.2/24
Configure IP address for the interface
P(config-if)#no shutdown
Administratively bringing up the interface
P(config)#interface xe1
Specify the interface (xe1)to be configured
P(config-if)#ip address 20.20.20.1/24
Configure IP address for the interface
P(config)#router ospf 100
Configure the routing process and specify the Process ID (100)
P(config-router)#network 10.10.10.0/24 area 0
P(config-router)#network 20.20.20.0/24 area 0
P(config-router)#network 2.2.2.2/32 area 0
Define the interface on which OSPF runs and associate the area ID (0)with the interface
P(config-router)#exit
Exit router mode
P(config)#router ldp
Enter router mode for LDP
P(config-router)#exit
Exit router mode for LDP
P(config)#mpls min-label-value 60000 max-label-value 80000 label-space 1
Configure the minimum label value and maximum label value to be used by Interface label space (Label space 1)
P(config)#interface xe6
Specify the interface (xe6)to be configured
P(config-if)#label-switching 1
Enabling label switching capability on router
P(config-if)#enable-ldp ipv4
Enabling ldp on interface
P(config)#interface xe1
Specify the interface (xe1)to be configured
P(config-if)#label-switching 1
Enabling label switching capability on router
P(config-if)#enable-ldp ipv4
Enabling ldp on interface
P(config-if)#exit
Exit interface mode
P(config)#exit
Exit configure mode
 
PE2
 
PE2#configure terminal
Enter configure mode.
PE2(config)#interface lo
Enter interface mode.
PE2(config-if)#ip address 3.3.3.3/32
Configure IP address for the loopback address
PE2(config-if)#exit
Exit interface mode
PE2(config)#interface xe1
Specify the interface (xe1)to be configured
PE2(config-if)#ip address 20.20.20.2/24
Configure IP address for the interface
PE2(config-if)#no shutdown
Administratively bringing up the interface
PE2(config-if)#exit
Exit interface mode
PE2(config)#router ospf 100
Configure the routing process and specify the Process ID (100)
PE2(config-router)#network 20.20.20.0/24 area 0
PE2(config-router)#network 3.3.3.3/32 area 0
Define the interface on which OSPF runs and associate the area ID (0)with the interface
PE2(config-router)#exit
Exit router mode
PE2(config)#router ldp
Enter router mode for LDP
PE2(config-router)#exit
Exit router mode for LDP
PE2(config)#mpls min-label-value 60000 max-label-value 80000 label-space 1
Configure the minimum label value and maximum label value to be used by interface label space (Label space 1)
PE2(config)#interface xe1
Specify the interface (xe1)to be configured
PE2(config-if)#label-switching
Enabling label switching capability on router
PE2(config-if)#enable-ldp ipv4
Enabling ldp on interface
PE2(config-if)#exit
Exit interface mode
 
Validation
P#show ldp
 
Router ID : 2.2.2.2
LDP Version : 1
Global Merge Capability : Merge Capable
Label Advertisement Mode : Downstream Unsolicited
Label Retention Mode : Liberal
Label Control Mode : Independent
Instance Loop Detection : Off
Request Retry : Off
Propagate Release : Disabled
Graceful Restart : Disabled
Hello Interval : 5
Targeted Hello Interval : 15
Hold time : 15
Targeted Hold time : 45
Keepalive Interval : 10
Keepalive Timeout : 30
Request retry Timeout : 5
Transport Address data :
Labelspace 1 : 2.2.2.2 (in use)
Import BGP routes : No
 
P#show mpls label-space 1
Min-label-value : 60000
Max-label-value : 80000
 
module-static min-label-value : 60000
max-label-value : 61000
module-rsvp min-label-value : 0
max-label-value : 0
module-ldp min-label-value : 0
max-label-value : 0
module-bgp min-label-value : 0
max-label-value : 0
module-ospf min-label-value : 0
max-label-value : 0
P#sh mpls ilm
Codes: > - selected ILM, p - stale ILM, K - CLI ILM, T - MPLS-TP
 
Code FEC ILM-ID In-Label Out-Label In-Intf Out-Intf Nexthop LSP-Type
> 3.3.3.3/32 3 61441 3 eth1 eth2 10.10.20.51 LSP_DEFAULT
> 1.1.1.1/32 4 61440 3 eth2 eth1 172.168.25.56 LSP_DEFAULT
Last modified date: 07/13/2023