[j-nsp] question regarding l2vpn

[CHEN Xu]

I made a few changes and it still isn't working...
I changed the configuration quite a bit by deleting the GRE channel,
and directly establishing a MPLS LSP between the two IPs that GRE
channel was connecting (8.0.0.3 and 8.0.0.4). And then directly put
the "family l2vpn signaling" on the BGP session between 8.0.0.3 and
8.0.0.4.

The result is:
1) MPLS LSP between 8.0.0.3 and 8.0.0.4 cannot be established (the
state is down);
2) The "show l2vpn connections logical-router router-A-pe" still shows
the l2vpn is UP.
3) still cannot ping between the two CEs;

I changed the encapsulations to vlan, and it still doesn't work.

Any ideas?
Thanks.

On Mon, Jun 16, 2008 at 5:21 PM, CHEN Xu <simonchennj at gmail.com> wrote:
> Hi all,
>
> I am trying to set up a l2vpn between two logical-routers across two
> physical routers.
> The setup is actually complicated, but I will try to make it simple...
>
> Basically, Router-A-CE and Router-A-PE are two logical routers on the
> same physical router.
> Router-A-PE and Router-B-PE are connected via a VPN service through a
> series of routers in between, which I ignore here. So the setup looks
> like this conceptually:
>
> Router-A-CE  <-> Router-A-PE <-> Router-B-PE <-> Router-B-CE
>
> Configuration for Router-A-PE:
> logical-routers {
>    router-a-pe {
>        interfaces {
>            gr-1/2/0 {
>                unit 0 {  ### gre channel to router-B-pe
>                    tunnel {
>                        source 8.0.0.4;
>                        destination 8.0.0.3;
>                    }
>                    family inet {
>                        address 4.0.0.2/30;
>                    }
>                    family iso;
>                    family mpls;
>                }
>            }
>            lt-1/2/0 {
>                unit 0 {  ### logical channel to Router-A-CE
>                    encapsulation ethernet-ccc;
>                    peer-unit 1001;
>                    family ccc;
>                }
>            }
>        }
>        protocols {
>           rsvp {
>                interface all;
>            }
>            mpls {
>                label-switched-path to-router-b-pe {
>                ### lsp for the l2vpn
>                    from 4.0.0.2;
>                    to 4.0.0.1;
>                    no-cspf;
>                }
>                interface all;
>            }
>            bgp {
>                import match-all;
>                export match-all;
>                group pe-pe-l2vpn {
>                    type internal;
>                    local-as 7777;
>                    neighbor 4.0.0.1 {
>                        ### bgp session to router-b-pe
>                        local-address 4.0.0.2;
>                        family l2vpn {
>                            signaling;
>                        }
>                    }
>                }
>            }
>        }
>        routing-instances {
>            L2VPN-to-router-a-ce {
>                instance-type l2vpn;
>                interface lt-1/2/0.0;
>                route-distinguisher 100:1;
>                vrf-import vpn-SPA-import;
>                vrf-export vpn-SPA-export;
>                protocols {
>                    l2vpn {
>                        encapsulation-type ethernet;
>                        site router-a {
>                            site-identifier 2;
>                            interface lt-1/2/0.0 {
>                                remote-site-id 1;
>                            }
>                        }
>                    }
>                }
>            }
>        }
>    }
> }
>
> Configuration for Router-A-CE:
> logical-routers {
>    router-a-ce {
>        interfaces {
>            lt-1/2/0 {
>                unit 1001 {
>                    encapsulation ethernet;
>                    peer-unit 0;
>                    family inet {
>                        address 88.88.88.2/24;
>                    }
>                }
>            }
>        }
>    }
> }
>
> Configuration for Router-B-PE and Router-B-CE are basically the mirror
> of the above two.
>
> The problem is the l2vpn connection is successfully established:
> Instance: XXX
>  Local site: YYY (2)
>    connection-site           Type  St     Time last up          # Up trans
>    1                         rmt   Up     Jun 16 20:50:26 2008           1
>      Local interface: fe-0/0/2.0, Status: Up, Encapsulation: ETHERNET
>      Remote PE: 4.0.0.1, Negotiated control-word: Yes (Null)
>      Incoming label: 800000, Outgoing label: 800001
>
> MPLS LSP is also up both sides.
>
> But I cannot ping from Router-A-CE to Router-B-CE.
> Any ideas?
>
> Thanks in advance!
>
> -Simon
>