[j-nsp] l3 vpn ping in juniper in M320

Diogo Montagner diogo.montagner at gmail.com
Wed Aug 20 17:16:31 EDT 2008


Hi Dinesh,

Do you have vrf-table-label inside your routing-instance configuration ?

Add this conf and try to ping.

Regards,
./diogo -montagner


On Wed, Aug 20, 2008 at 4:06 PM, Dinesh Bhonsle <dineshbs123 at gmail.com>wrote:

> Harry,
>
> I am using a  vlan-tagged interface to connect to CE2
>
>  ge-0/0/1 {
>        vlan-tagging;
>        unit 1 {
>            vlan-id 1;
>            family inet {
>                address 81.1.1.1/24;
>            }
>        }
>    }
>
> Also pe-pe ping for loopback address in  global routing instance work.
> Only thing is  M320 does not reply  , when pinged to 81.1.1.1 , its local
> vpn interface.
>
> Thanks for your help.
>
> On 8/20/08, Harry Reynolds <harry at juniper.net> wrote:
> >
> > Are you using any VT interface or lsi?  If not, I believe this is
> > normal. Meaning, when the remote PE pops the label it cannot do an IP
> > lookup with the vt tunnel/lsi, so its compelled to forward a packet
> > addressed to its local ifl out the VRF interface. In my experience the
> > CE, upon receiving such a packet, does the ttl - 1 thing and routes the
> > packet back towards the PE, who now sees an IP packet (in a vrf
> > context), and can generate a reply.
> >
> > So, while there is an extra hop, things work. Might want to very that
> > pe-pe pings to core and vrf interfaces are working. Perhaps remote PE
> > does not have a route back to ping source and is dropping.
> >
> > HTHs
> >
> >
> >
> > -----Original Message-----
> > From: juniper-nsp-bounces at puck.nether.net
> > [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Dinesh Bhonsle
> > Sent: Wednesday, August 20, 2008 10:56 AM
> > To: juniper-nsp at puck.nether.net
> > Subject: [j-nsp] l3 vpn ping in juniper in M320
> >
> > Hi,
> >
> > I am not able to get a succesfull vpn ping response for    directly
> > connected interface inside a vpn instance in juniper.
> >
> > CE1-----M320-1--------L3vpn core-----M320-2(vpn instance vpn1) (81.1.1.1
> > )--------------------------(81.1.1.2)CE2
> >
> > when i ping from CE1 to 81.1.1.1 on M320-2, i see that M320 does not
> > reply , but mistreiously forwards icmp echo requests to CE2.
> > When i ping from CE1 to 81.1.1.2  , i see ping responses from CE2, ping
> > successful. So only  ping to junipers  ip-addr fails.
> > Regards
> > Dinesh
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/juniper-nsp
> >
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp
>


More information about the juniper-nsp mailing list