3Com MSR 50 Series Configuration Manual page 1510

1510 C 79: MPLS L3VPN C
HAPTER ONFIGURATION
<PE2> system-view
[PE2] mpls lsr-id 2.2.2.9
[PE2] mpls
[PE2-mpls] quit
3 Configure VPN instances on PEs to allow CEs to access and apply tunneling
policies to the PEs, specifying to use a GRE tunnel for VPN packet forwarding
# Configure PE 1.
[PE1] tunnel-policy gre1
[PE1-tunnel-policy-gre1] tunnel select-seq gre load-balance-number 1
[PE1-tunnel-policy-gre1] quit
[PE1] ip vpn-instance vpn1
[PE1-vpn-instance-vpn1] route-distinguisher 100:1
[PE1-vpn-instance-vpn1] vpn-target 100:1 both
[PE1-vpn-instance-vpn1] tnl-policy gre1
[PE1-vpn-instance-vpn1] quit
[PE1] interface ethernet 1/0
[PE1-Ethernet1/0] ip binding vpn-instance vpn1
[PE1-Ethernet1/0] ip address 10.1.1.2 24
[PE1-Ethernet1/0] quit
# Configure PE 2.
[PE2] tunnel-policy gre1
[PE2-tunnel-policy-gre1] tunnel select-seq gre load-balance-number 1
[PE2-tunnel-policy-gre1] quit
[PE2] ip vpn-instance vpn1
[PE2-vpn-instance-vpn1] route-distinguisher 100:2
[PE2-vpn-instance-vpn1] vpn-target 100:1 both
[PE2-vpn-instance-vpn1] tnl-policy gre1
[PE2-vpn-instance-vpn1] quit
[PE2] interface ethernet 1/0
[PE2-Ethernet1/0] ip binding vpn-instance vpn1
[PE2-Ethernet1/0] ip address 10.2.1.2 24
[PE2-Ethernet1/0] quit
# Configure CE 1.
<CE1> system-view
[CE1] interface ethernet 1/0
[CE1-Ethernet1/0] ip address 10.1.1.1 24
[CE1-Ethernet1/0] quit
# Configure CE 2.
<CE2> system-view
[CE2] interface ethernet 1/0
[CE2-Ethernet1/0] ip address 10.2.1.1 24
[CE2-Ethernet1/0] quit
After completing the above configurations, you can issue the display ip
vpn-instance command on the PEs to view the configuration of the VPN instance.
The PEs should be capable of pinging their respective CEs. The following takes PE
1 as an example: