Example for configuring a VC for a service instance
Network requirements
CE 1 and CE 2 are connected to PE 1 and PE 2 through VLAN interfaces.
On PE 1 and PE 2, create a VC for CE 1 and CE 2 in service instance view, so CE 1 and CE 2 can exchange Layer 2 packets across the backbone.
Figure 60: Network diagram
Device | Interface | IP address | Device | Interface | IP address |
CE 1 | Vlan-int10 | 100.1.1.1/24 | CE 2 | Vlan-int10 | 100.1.1.2/24 |
PE 1 | Loop0 | 192.2.2.2/32 | P | Loop0 | 192.4.4.4/32 |
Vlan-int23 | 23.1.1.1/24 | Vlan-int23 | 23.1.1.2/24 | ||
PE 2 | Loop0 | 192.3.3.3/32 | Vlan-int26 | 26.2.2.2/24 | |
Vlan-int26 | 26.2.2.1/24 |
Configuration procedure
Configure CE 1:
# Configure an IP address for the interface connected to PE 1.
<Sysname> system-view [Sysname] sysname CE1 [CE1] interface vlan-interface 10 [CE1-Vlan-interface10] ip address 100.1.1.1 24
Configure PE 1:
<Sysname> system-view [Sysname] sysname PE1 [PE1] interface loopback 0 [PE1-LoopBack0] ip address 192.2.2.2 32 [PE1-LoopBack0] quit
# Configure the LSR ID and enable MPLS globally.
[PE1] mpls lsr-id 192.2.2.2 [PE1] mpls [PE1-mpls] quit
# Enable L2VPN and MPLS L2VPN.
[PE1] l2vpn [PE1-l2vpn] mpls l2vpn [PE1-l2vpn] quit
# Enable LDP globally.
[PE1] mpls ldp [PE1-mpls-ldp] quit
# Configure PE 1 to establish an LDP remote session with PE 2.
[PE1] mpls ldp remote-peer 1 [PE1-mpls-ldp-remote-1] remote-ip 192.3.3.3 [PE1-mpls-ldp-remote-1] quit
# Configure the interface connected to the P device and enable LDP on the interface.
[PE1] interface vlan-interface 23 [PE1-Vlan-interface23] ip address 23.1.1.1 24 [PE1-Vlan-interface23] mpls [PE1-Vlan-interface23] mpls ldp [PE1-Vlan-interface23] quit
# Configure OSPF.
[PE1] ospf [PE1-ospf-1] area 0 [PE1-ospf-1-area-0.0.0.0] network 23.1.1.1 0.0.0.255 [PE1-ospf-1-area-0.0.0.0] network 192.2.2.2 0.0.0.0 [PE1-ospf-1-area-0.0.0.0] quit [PE1-ospf-1] quit
# On the interface connected to CE 1, create a service instance and then create a VC.
[PE1] interface gigabitethernet 1/0/1 [PE1-GigabitEthernet1/0/1] port access vlan 10 [PE1-GigabitEthernet1/0/1] service-instance 1000 [PE1-GigabitEthernet1/0/1-srv1000] encapsulation s-vid 10 [PE1-GigabitEthernet1/0/1-srv1000] xconnect peer 192.3.3.3 pw-id 1000 [PE1-GigabitEthernet1/0/1-srv1000] quit [PE1-GigabitEthernet1/0/1] quit
Configure the P device:
<Sysname> system-view [Sysname] sysname P [P] interface loopback 0 [P-LoopBack0] ip address 192.4.4.4 32 [P-LoopBack0] quit
# Configure the MPLS LSR ID and enable MPLS globally.
[P] mpls lsr-id 192.4.4.4 [P] mpls [P-mpls] quit
# Enable LDP globally.
[P] mpls ldp [P-mpls-ldp] quit
# Configure the interface connected with PE 1 and enable LDP on the interface.
[P] interface vlan-interface 23 [P-Vlan-interface23] ip address 23.1.1.2 24 [P-Vlan-interface23] mpls [P-Vlan-interface23] mpls ldp [P-Vlan-interface23] quit
# Configure the interface connected with PE 2 and enable LDP on the interface.
[P] interface vlan-interface 26 [P-Vlan-interface26] ip address 26.2.2.2 24 [P-Vlan-interface26] mpls [P-Vlan-interface26] mpls ldp [P-Vlan-interface26] quit
# Configure OSPF.
[P] ospf [P-ospf-1] area 0 [P-ospf-1-area-0.0.0.0] network 23.1.1.2 0.0.0.255 [P-ospf-1-area-0.0.0.0] network 26.2.2.2 0.0.0.255 [P-ospf-1-area-0.0.0.0] network 192.4.4.4 0.0.0.0 [P-ospf-1-area-0.0.0.0] quit [P-ospf-1] quit
Configure PE 2:
<Sysname> system-view [Sysname] sysname PE2 [PE2] interface loopback 0 [PE2-LoopBack0] ip address 192.3.3.3 32 [PE2-LoopBack0] quit
# Configure the MPLS LSR ID and enable MPLS globally.
[PE2] mpls lsr-id 192.3.3.3 [PE2] mpls [PE2-mpls] quit
# Enable L2VPN and MPLS L2VPN.
[PE2] l2vpn [PE2-l2vpn] mpls l2vpn [PE2-l2vpn] quit
# Enable LDP globally.
[PE2] mpls ldp [PE2-mpls-ldp] quit
# Configure PE 2 to establish a remote LDP connection with PE 1.
[PE2] mpls ldp remote-peer 2 [PE2-mpls-ldp-remote-2] remote-ip 192.2.2.2 [PE2-mpls-ldp-remote-2] quit
# Configure the interface connected to the P device and enable LDP on the interface.
[PE2] interface vlan-interface 26 [PE2-Vlan-interface26] ip address 26.2.2.1 24 [PE2-Vlan-interface26] mpls [PE2-Vlan-interface26] mpls ldp [PE2-Vlan-interface26] quit
# Configure OSPF.
[PE2] ospf [PE2-ospf-1] area 0 [PE2-ospf-1-area-0.0.0.0] network 192.3.3.3 0.0.0.0 [PE2-ospf-1-area-0.0.0.0] network 26.2.2.0 0.0.0.255 [PE2-ospf-1-area-0.0.0.0] quit [PE2-ospf-1] quit
# On the interface connected to CE 2, create a service instance and create a VC.
[PE2] interface gigabitethernet 1/0/1 [PE2-GigabitEthernet1/0/1] port access vlan 10 [PE2-GigabitEthernet1/0/1] service-instance 1000 [PE2-GigabitEthernet1/0/1-srv1000] encapsulation s-vid 10 [PE2-GigabitEthernet1/0/1-srv1000] xconnect peer 192.2.2.2 pw-id 1000 [PE2-GigabitEthernet1/0/1-srv1000] quit [PE2-GigabitEthernet1/0/1] quit
Configure CE 2:
# Configure an IP address for the interface connected to PE 2.
<Sysname> system-view [Sysname] sysname CE2 [CE2] interface vlan-interface 10 [CE2-Vlan-interface10] ip address 100.1.1.2 24
Verify the configuration:
# Display VC information on PE 1. The output shows that a VC has been established.
[PE1] display mpls l2vc Total ldp vc : 1 1 up 0 down 0 blocked Transport Client Service VC Local Remote VC ID Intf ID State VC Label VC Label 1000 GE1/0/1 1000 up 8193 8192
# Display VC information on PE 2. The output shows that a VC has been established.
[PE2] display mpls l2vc Total ldp vc : 1 1 up 0 down 0 blocked Transport Client Service VC Local Remote VC ID Intf ID State VC Label VC Label 1000 GE1/0/1 1000 up 8192 8193
# Ping CE 2 from CE 1. The output shows that CE 1 and CE 2 can ping each other.
[CE1] ping 100.1.1.2 PING 100.1.1.2: 56 data bytes, press CTRL_C to break Reply from 100.1.1.2: bytes=56 Sequence=1 ttl=255 time=90 ms Reply from 100.1.1.2: bytes=56 Sequence=2 ttl=255 time=77 ms Reply from 100.1.1.2: bytes=56 Sequence=3 ttl=255 time=34 ms Reply from 100.1.1.2: bytes=56 Sequence=4 ttl=255 time=46 ms Reply from 100.1.1.2: bytes=56 Sequence=5 ttl=255 time=94 ms --- 100.1.1.2 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 34/68/94 ms