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Example: Configuring CLNS Within a VPN
Configure CLNS on three PE routers within a VPN:
-
On PE Router 1:
- [edit protocols bgp]
- protocols {
-
- mpls {
- interface all;
- }
-
- bgp {
-
- group asbr {
- type external;
- local-address 10.245.245.3;
-
- neighbor 10.245.245.1 {
- multihop;
-
- family iso-vpn {
- unicast;
- }
- peer-as 200;
- }
- }
- }
- }
- [edit routing-instances]
- routing-instances {
-
- aaaa {
- instance-type vrf;
- interface lo0.1;
- interface t1-3/0/0.0;
- interface fe-5/0/1.0;
- route-distinguisher 10.245.245.1:1;
- vrf-target target:11111:1;
-
- protocols {
-
- isis {
- export dist-bgp;
- no-ipv4-routing;
- no-ipv6-routing;
- clns-routing;
- interface all;
- }
- }
- }
- }
-
On PE Router 2:
- [edit protocols bgp]
- protocols {
-
- bgp {
-
- group asbr {
- type external;
- multihop;
-
- family iso-vpn {
- unicast;
- }
-
- neighbor 10.245.245.2 {
- peer-as 300;
- }
-
- neighbor 10.245.245.3 {
- peer-as 100;
- }
- }
- }
- }
- [edit routing-instances]
- routing-instances {
-
- aaaa {
- instance-type vrf;
- interface lo0.1;
- route-distinguisher 10.245.245.1:1;
- vrf-target target:11111:1;
- }
- }
-
On PE Router 3:
- [edit protocols bgp]
- protocols {
-
- bgp {
-
- group asbr {
- type external;
- multihop;
- local-address 10.245.245.2;
-
- neighbor 10.245.245.1 {
-
- family iso-vpn {
- unicast;
- }
- peer-as 200;
- }
- }
- }
- }
- [edit routing-instances]
- routing-instances {
-
- aaaa {
- instance-type vrf;
- interface lo0.1;
- interface fe-0/0/1.0;
- interface t1-3/0/0.0;
- route-distinguisher 10.245.245.1:1;
- vrf-target target:11111:1;
-
- protocols {
-
- isis {
- export dist-bgp;
- no-ipv6-routing;
- clns-routing;
- interface all;
- }
- }
- }
- }
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