OcNOS-SP : Multi-Protocol Label Switching Guide : Multi-Protocol Label Switching Configuration Guide : TWAMP over L3VPN Configuration : Configure TWAMP over L3VPN for LDP
Configure TWAMP over L3VPN for LDP
PE1
 
#configure terminal
Enter Configure mode.
(config)# ip vrf vrf100
Create a new VRF named vrf100
(config-vrf)#rd 100:1
Assign the route distinguisher (RD) value as 100:1
(config-vrf)#route-target both 100:1
Import routes between route target (RT) ext-communities 100 and 1
(config-vrf)#exit
Exit VRF mode
(config)#interface lo
Enter loopback interface mode
(config-if)#ip address 18.18.18.18/32 sec-ondary
Assign IP address to Loopback interface
(config-if)#exit
Exit Interface mode
(config)#interface xe8
Enter Interface mode
(config-if)# ip address 10.1.1.18/24
Assign IP address to interface
(config-if)#enable-ldp ipv4
Enable LDP on the physical interface
(config-if)#label-switching
Enable label switching on the interface
(config-if)#exit
Exit Interface mode
(config)#interface xe11
Enter Interface mode
(config-if)# ip vrf forwarding vrf100
Bind the interface connected to the CE1 router with VRF 100
(config-if)# ip address 100.1.1.1/24
Assign IP address to interface
(config-if)#exit
Exit interface mode
(config)#router ldp
Enter the Router LDP mode
(config-router)#router-id 18.18.18.18
Configure router id as loopback address
(config-router)#transport-address ipv4 18.18.18.18
Configure ldp transport addess as loopback address
(config-router)#exit
Exit from the router ldp mode
(config)# router ospf 1
Enter Router OSPF mode
(config-router)# ospf router-id 18.18.18.18
Configure OSPF router-id
(config-router)# network 10.1.1.0/24 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# network 18.18.18.18/32 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# commit
Commit the configurations
(config-router)# exit
Exit from router OSPF mode
(config)# router bgp 100
Enter BGP router mode
(config-router)# bgp router-id 18.18.18.18
Configure BGP router-id
(config-router)# neighbor 8.8.8.8 remote-as 100
Configure PE2 as an iBGP4+ neighbor
(config-router)# neighbor 8.8.8.8 up-date-source lo
Update the source as loopback for iBGP peering with the remote PE2 router
(config-router)# address-family vpnv4 unicast
Enter address-family vpnv4 mode
(config-router-af)# neighbor 8.8.8.8 activate
Activate the PE2 neighbor in the vpnv4 address family
(config-router-af)# neighbor 8.8.8.8 next-hop-self
Activate the neighbor as next hop self
(config-router-af)#exit
Exit form address family
(config-router)# address-family ipv4 vrf vrf100
Enter the IPv4 address family for VRF 100
(config-router-af)# redistribute connected
Redistribute connected routes
(config-router-af)# neighbor 100.1.1.2 re-mote-as 200
Configure CE1 neighbor in the vrf address family
(config-router-af)# neighbor 100.1.1.2 acti-vate
Activate the CE1 neighbor
(config-router-af)#exit
Exit form address family
(config-router)# commit
Commit the configurations
P1
 
#configure terminal
Enter Configure mode.
(config)#interface lo
Enter loopback interface mode
(config-if)#ip address 3.3.3.3/32 secondary
Assign IP address to Loopback interface
(config-if)#exit
Exit Interface mode
(config)#router ldp
Enter the Router LDP mode
(config-router)#router-id 3.3.3.3
Configure router id as loopback address
(config-router)#transport-address ipv4 3.3.3.3
Configure ldp transport addess as loopback address
(config-router)#exit
Exit from the router ldp mode
(config)#interface xe14
Enter Interface mode
(config-if)# ip address 10.1.1.3/24
Assign IP address to interface
(config-if)#enable-ldp ipv4
Enable LDP on the physical interface
(config-if)#label-switching
Enable label switching on the interface
(config-if)#exit
Exit Interface mode
(config)#interface xe15
Enter Interface mode
(config-if)# ip address 11.1.1.3/24
Assign IP address to interface
(config-if)#enable-ldp ipv4
Enable LDP on the physical interface
(config-if)#label-switching
Enable label switching on the interface
(config-if)#exit
Exit interface mode
(config)# router ospf 1
Enter Router OSPF mode
(config-router)# ospf router-id 18.18.18.18
Configure OSPF router-id
(config-router)# network 10.1.1.0/24 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# network 3.3.3.3/32 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# network 11.1.1.0/24 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# commit
Commit the configurations
(config-router)# exit
Exit from router OSPF mode
PE2
 
#configure terminal
Enter Configure mode.
(config)#ip vrf vrf100
Create a new VRF named vrf100
(config-vrf)#rd 101:1
Assign the route distinguisher (RD) value as 101:1
(config-vrf)#route-target both 100:1
Import routes between route target (RT) ext-communities 100 and 1
(config-vrf)#exit
Exit VRF mode
(config)#router ldp
Enter the Router LDP mode
(config-router)#router-id 8.8.8.8
Configure router id as loopback address
(config-router)#transport-address ipv4 8.8.8.8
Configure ldp transport addess as loopback address
(config-router)#exit
Exit from the router ldp mode
(config)#interface lo
Enter loopback interface mode
(config-if)#ip address 8.8.8.8/32 secondary
Assign IP address to Loopback interface
(config-if)#exit
Exit Interface mode
(config)#interface xe24
Enter Interface mode
(config-if)# ip address 11.1.1.8/24
Assign IP address to interface
(config-if)#enable-ldp ipv4
Enable LDP on the physical interface
(config-if)#label-switching
Enable label switching on the interface
(config-if)#exit
Exit Interface mode
(config)#interface xe25
Enter Interface mode
(config-if)# ip vrf forwarding vrf100
Bind the interface connected to the CE1 router with VRF 100
(config-if)# ip address 101.1.1.1/24
Assign IP address to interface
(config-if)#exit
Exit interface mode
(config)# router ospf 1
Enter Router OSPF mode
(config-router)# ospf router-id 8.8.8.8
Configure OSPF router-id
(config-router)# network 11.1.1.0/24 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)# network 8.8.8.8/32 area 0.0.0.0
Define the network on which OSPF runs and associate area id.
(config-router)#exit
Exit from router OSPF mode
(config)# router bgp 100
Enter BGP router mode
(config-router)# bgp router-id 8.8.8.8
Configure BGP router-id
(config-router)# neighbor 18.18.18.18 re-mote-as 100
Configure PE1 as an iBGP4+ neighbor
(config-router)# neighbor 18.18.18.18 up-date-source lo
Update the source as loopback for iBGP peering with the remote PE1 router
(config-router)# address-family vpnv4 unicast
Enter address-family vpnv4 mode
(config-router-af)# neighbor 18.18.18.18 ac-tivate
Activate the PE1 neighbor in the vpnv4 address family
(config-router-af)# neighbor 18.18.18.18 next-hop-self
Activate the neighbor as next hop self
(config-router-af)#exit
Exit form address family
(config-router)# address-family ipv4 vrf vrf100
Enter the IPv4 address family for VRF 100
(config-router-af)# redistribute connected
Redistribute connected routes
(config-router-af)# neighbor 101.1.1.2 re-mote-as 200
Configure CE2 neighbor in the vrf address family
(config-router-af)# neighbor 101.1.1.2 acti-vate
Activate the CE2 neighbor
(config-router-af)#exit
Exit form address family
(config-router)# commit
Commit the configurations
CE1
 
#configure terminal
Enter Configure mode.
(config)#interface lo
Enter loopback interface mode
(config-if)#ip address 37.37.37.37/32 secondary
Assign IP address to Loopback interface
(config-if)#exit
Exit Interface mode
(config)#interface xe24
Enter Interface mode
(config-if)# ip address 100.1.1.2/24
Assign IP address to interface
(config-if)#exit
Exit Interface mode
(config)#interface xe26
Enter Interface mode
(config-if)# ip address 200.1.1.1/24
Assign IP address to interface
(config-if)#exit
Exit interface mode
(config)# router bgp 200
Enter BGP router mode
(config-router)# bgp router-id 37.37.37.37
Configure BGP router-id
(config-router)#neighbor 100.1.1.1 remote-as 100
Configure PE1 as an eBGP4+ neighbor
(config-router)# address-family ipv4 unicast
Enter address-family IPv4 unicast mode
(config-router-af)# redistribute connected
Redistribute the connected route under address family IPv4 unicast
(config-router-af)# neighbor 100.1.1.1 activate
Activate the neighbor in the IPv4 address family
(config-router-af)#exit
Exit form address family
(config-router)# commit
Commit the configurations
CE2
 
#configure terminal
Enter Configure mode.
(config)#interface lo
Enter loopback interface mode
(config-if)#ip address 2.2.2.2/32 secondary
Assign IP address to Loopback interface
(config-if)#exit
Exit Interface mode
(config)#interface xe14
Enter Interface mode
(config-if)# ip address 101.1.1.2/24
Assign IP address to interface
(config-if)#exit
Exit Interface mode
(config)#interface xe15
Enter Interface mode
(config-if)# ip address 201.1.1.1/24
Assign IP address to interface
(config-if)#exit
Exit interface mode
(config)# router bgp 300
Enter BGP router mode
(config-router)# bgp router-id 2.2.2.2
Configure BGP router-id
(config-router)#neighbor 101.1.1.1 remote-as 100
Configure PE2 as an eBGP4+ neighbor
(config-router)# address-family ipv4 unicast
Enter address-family IPv4 unicast mode
(config-router-af)# redistribute connected
Redistribute the connected route under address family IPv4 unicast
(config-router-af)# neighbor 101.1.1.1 acti-vate
Activate the neighbor in the IPv4 address family
(config-router-af)#exit
Exit form address family
(config-router)# commit
Commit the configurations
 
TWAMP Configuration on Sender (PE1)
 
TWAMP sender is configured to measure the delay on interface Loopback on PE1
 
#configure terminal
Enter Configure mode.
(config)# hardware-profile filter twamp-ipv4 enable
Enable hardware filter for ipv4 to configure TWAMP meas-urement configs
(config)#commit
Commit the configuration
(config)# twamp-light control
Enable TWAMP light controller on PE1
(config-twamp-light-con)# control-admin-state enable
Enable TWAMP Controller admin state
(config)#interface lo
Enter Interface Loopback mode
(config-if)# delay-measurement dynamic twamp reflector-ip 11.1.1.8
Configure delay measurement on interface Loopback to re-flector PE2
(config-if)#commit
Commit the configurations
(config-if)#end
Return to privilege mode
TWAMP Configuration on Reflector (PE2)
Configure TWAMP Reflector as interface xe24 on PE2 (Towards core)
 
#configure terminal
Enter Configure mode.
(config)# hardware-profile filter twamp-ipv4 enable
Enable hardware filter for ipv4 to configure TWAMP meas-urement configs
(config)#commit
Commit the configuration
(config)# twamp-light reflector
Enable TWAMP light Reflector on PE2
(config-twamp-light-ref)# reflec-tor-admin-state enable
Enable the TWAMP reflector admin state
(config-twamp-light-ref)# reflector-name pe2 reflector-ip ipv4 11.1.1.8
Configure TWAMP reflector IP as PE2 interface IP
(config-twamp-light-ref)#commit
Commit the configurations
(config-if)#end
Return to privilege mode
Last modified date: 10/17/2023