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Configuring VPRN on Alcatel-Lucent
Service Routers

In this post, we will focus on the configuration of VPRN service on Alcatel-Lucent Service Routers. Here, We will use Alcatel-Lucent 7450 Service Router as a PE Router. Our Provider Routers will be Alcatel-Lucent 7750 Service Routers. But, there will be no configuration on P routers in this post. We assume that we have a proper Provider MPLS Core.

For VPRN configuration, we will use the below topology:

Alcatel-Lucent, VPRN Example Topology

VPRN Example Topology

MP-BGP and BGP Configuration between



To configure VPRN, firstly routing protocol configuration must be done. Then MP-BGP must be enabled between PEs. Firstly let’s cofigure MP-BGP.

PE1

PE1# configure router autonomous-system 64600
PE1# exit all

PE1# configure router bgp
PE1>config>router>bgp# group “multi-bgp”
PE1>config>router>bgp>group$ family vpn-ipv4
PE1>config>router>bgp>group$ peer-as 64600
PE1>config>router>bgp>group$ neighbour 2.2.2.2
PE1>config>router>bgp>group>neighbour$ local-address 1.1.1.1
PE1>config>router>bgp>group>neighbour$ exit all

PE1> config>router>bgp# info
	group “multi-bgp”
		family vpn-ipv4
		peer-as 64600
		neighbour 2.2.2.2
			local-address 1.1.1.1
		exit
	exit

PE2

PE2# configure router autonomous-system 64600
PE2# exit all

PE2# configure router bgp
PE2>config>router>bgp# group “multi-bgp”
PE2>config>router>bgp>group$ family vpn-ipv4
PE2>config>router>bgp>group$ peer-as 64600
PE2>config>router>bgp>group$ neighbour 1.1.1.1
PE2>config>router>bgp>group>neighbour$ local-address 2.2.2.2
PE2>config>router>bgp>group>neighbour$ exit all

PE2> config>router>bgp# info
	group “multi-bgp”
		family vpn-ipv4
		peer-as 64600
		neighbour 1.1.1.1
			local-address 2.2.2.2
		exit
	exit

To verify this, you can use, “show router bgp neighbour” command.

As an example for routing protocol configuration, I will give the configuration between Customer Routers and PE1 router.

PE1# configure service vprn 500
PE1>config>service>vprn# autonomous system 64600
PE1>config>service>vprn# bgp
PE1>config>service>vprn>bgp$ neighbour 10.1.1.2
PE1>config>service>vprn>bgp>neighbour$ peer-as 64601
PE1>config>service>vprn>bgp>neighbour$ exit all
PE1# configure service vprn 600
PE1>config>service>vprn# autonomous system 64600
PE1>config>service>vprn# bgp
PE1>config>service>vprn>bgp$ neighbour 10.2.1.2
PE1>config>service>vprn>bgp>neighbour$ peer-as 64602
PE1>config>service>vprn>bgp>neighbour$ exit all

CE1>config>router# bgp
CE1>config>router>bgp$ autonomous system 64601
CE1>config>router>bgp$ neighbour 10.1.1.1
CE1>config>router>bgp>neighbour$ peer-as 64600
CE1>config>router>bgp>neighbour$ exit all

CE2>config>router# bgp
CE1>config>router>bgp$ autonomous system 64602
CE2>config>router>bgp$ neighbour 10.2.1.1
CE2>config>router>bgp>neighbour$ peer-as 64600
CE2>config>router>bgp>neighbour$ exit all

In our example MP-BGP will be used between PE routers. Between CE and PE routers BGP will be used. Here, any other routing protocol can be used. But we prefer BGP. So CE and PE are BGP peers.

VPRN Service Configuration



1.Create Customer.

PE1# configure service customer 200 create
PE1>config>service>cust# description “Our VPRN Customer 1”
PE1>config>service> cust # exit
PE1>config>service# customer 300 create
PE1>config>service> cust # description “Our VPRN Customer 2”
PE1>config>service> cust # exit all

2.Create VPRN Services associated with Customer ID.

PE1# configure service 
PE1>config>service> vprn 500 customer 200 create
PE1>config>service>vprn$ description “VPRN Service of Customer 500”
PE1>config>service>vprn$ router-id 1.1.1.1
PE1>config>service>vprn$ exit
PE1>config>service# vprn 600 customer 300 create
PE1>config>service>vprn$ description “VPRN Service of Customer 600”
PE1>config>service>vprn$ router-id 1.1.1.1
PE1>config>service>vprn$ exit

3.Configure Route Distinguisher and Route Target

PE1# configure service 
PE1>config>service# vprn 500
PE1>config>service>vprn# route-distinguisher 64600:1
PE1>config>service>vprn# vrf-target target:64600:500
PE1>config>service>vprn# exit
PE1>config>service# vprn 600
PE1>config>service>vprn# route-distinguisher 64600:2
PE1>config>service>vprn# vrf-target target:64600:600

4.Create VPRN interfaces.

PE1# configure service
PE1>config>service# vprn 500
PE1>config>service>vprn# interface “to_Cutomer_1”
PE1>config>service>vprn>if$ address 10.1.1.1
PE1>config>service>vprn>if$ sap 1/1/2 create
PE1>config>service>vprn>if$ exit all

PE1# configure service
PE1>config>service# vprn 600
PE1>config>service>vprn# interface “to_Cutomer_2”
PE1>config>service>vprn>if$ address 10.2.1.1
PE1>config>service>vprn>if$ sap 1/1/3 create
PE1>config>service>vprn>if$ exit all

5.Configure the used Tunnel Type. LDP orRSVP-TE. (Here LDP is used)

PE1# configure service vprn 500 customer 200
PE1>config>service>vprn# auto-bind ldp
PE1>config>service>vprn# exit all
PE1# configure service vprn 600 customer 300
PE1>config>service>vprn# auto-bind ldp

6.Verification
show service id 500 base –> Service information
show router route-table –> Router Table
show router 500 route-table –> VPRN 500 Router Table
show router bgp routes vpn-ipv4 –> VPN-Ipv4 Routes
show router 500 fib 1 –> IP/MPLS Forwarding information

7.Verification with OAM Tools

PE1# oam vpn-ping 1 source 10.1.1.1 destination 10.3.1.2

PE1# oam vpn-trace 1 source 10.1.1.1 destination 10.3.1.2

The same of these configurations must be done on the other PE device, PE2. After doing this, your VPRN service will be work. The full of the configurations is not given ehre because of the big configuration lines.I knnow that you can easily do the other side’s configuration.

In this post I tried to show you the VPRN configuration basically. I hope this will be helpful for you.

You can continue with other VPRN Articles…

VPRN (Virtual Private Routed Network) – VPRN Overview
VPRN (Virtual Private Routed Network) – VPRN Labels
VPRN (Virtual Private Routed Network) – How Does VPRN Work?
VPRN (Virtual Private Routed Network) – VPRN Control Plane Activities
VPRN (Virtual Private Routed Network) – VPRN Data Plane Activities
VPRN (Virtual Private Routed Network) – Alcatel-Luncet (Nokia) VPRN Configuration

General Alcatel-Lucent (Nokia) VPN Service Articles…

Alcatel-Lucent L2 VPN and L3 VPN Services – Part 1 (Service Terms and Service Creation Steps)
Alcatel-Lucent L2 VPN and L3 VPN Services – Part 2 (Service Types)
Alcatel-Lucent L2 VPN and L3 VPN Services – Part 3 (Network Preparation)
Alcatel-Lucent L2 VPN and L3 VPN Services – Part 4 (Tunnel Structure)

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About the Author
Gokhan Kosem is a telecommunation and network engineer. His ambition to IP networks and end-to-end system installation made him to prepare this web-site. By sharing his experiences about various networking protocols beside different system installation experiences and Cisco, Juniper, Alcatel-Lucent devices configurations, he is aimed to be helpful for his collegues in all over the world. He is currently lives in Istanbul, Turkey.

One comment for “VPRN (Virtual Private Routed Network) – Part 2 (Configuring VPRN)”

1

Great staff and straight to the point .Thanks

May 3rd, 2015 at 18:43

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