Hi Eric, Can you check the mtu negotiated by the l2vpn ? (Use traceoptions)
What kind of pic are you using ? And what is the platform ? Tks On 9/29/10, Eric Van Tol <[email protected]> wrote: > Hi all, > I'm having an issue with an L2VPN customer at the moment. They need to be > able to pass 1500-byte IP packets between two locations connected via an > ethernet encapsulated L2VPN. I am able to ping from PE to PE with 1500-byte > sized packets with the df-bit set without a problem. The L2VPN connection > is up and the customer can get a max of 1490-bytes through without > fragmentation. My LSP shows an MTU of 1500: > > x.x.x.47 > From: x.x.x.46, LSPstate: Up, ActiveRoute: 0 > LSPname: xx_to_nn, LSPpath: Primary > Suggested label received: -, Suggested label sent: - > Recovery label received: -, Recovery label sent: 302048 > Resv style: 1 FF, Label in: -, Label out: 302048 > Time left: -, Since: Tue Sep 28 12:35:29 2010 > Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 > Port number: sender 5 receiver 19901 protocol 0 > PATH rcvfrom: localclient > Adspec: sent MTU 1500 > Path MTU: received 1500 > PATH sentto: x.x.x.131 (ge-1/3/0.0) 217 pkts > RESV rcvfrom: x.x.x.131 (ge-1/3/0.0) 215 pkts > Explct route: x.x.x.131 x.x.x.121 x.x.x.5 x.x.x.58 x.x.x.164 > Record route: <self> x.x.x.131 x.x.x.121 x.x.x.5 x.x.x.58 x.x.x.164 > Total 2 displayed, Up 2, Down 0 > > All interfaces *between* the PEs have the following config: IP MTU = 1500, > MPLS MTU = 1512. I have verified that the customer can hit their respective > site's PE with 1500-byte packets by temporarily configuring each > customer-facing interface with an appropriate IP address and pinging. > > Here's the pertinent configs of the two PEs: > > Side A: > > interfaces { > ge-0/0/1 { > description "Site A"; > enable; > mtu 9192; > encapsulation ethernet-ccc; > unit 0 { > family ccc; > } > } > } > protocols { > rsvp { > interface ge-0/0/0.0; > } > mpls { > label-switched-path xx_to_nn { > to x.x.x.46; > } > interface ge-0/0/0.0; > interface ge-0/0/1.0; > } > ldp { > interface ge-0/0/0.0; > } > } > routing-instances { > cid-A { > instance-type l2vpn; > interface ge-0/0/1.0; > route-distinguisher x.x.x:3211; > vrf-import vpn-A-import; > vrf-export vpn-A-export; > protocols { > l2vpn { > encapsulation-type ethernet; > no-control-word; > interface ge-0/0/1.0; > site Side-A { > site-identifier 1; > interface ge-0/0/1.0 { > remote-site-id 2; > } > } > } > } > } > } > > > Side B: > interfaces { > fe-0/2/1 { > description "Site B"; > enable; > mtu 9192; > encapsulation ethernet-ccc; > unit 0 { > family ccc; > } > } > } > protocols { > rsvp { > interface ge-1/3/0.0; > } > mpls { > label-switched-path nn_to_xx { > to x.x.x.47; > } > interface ge-1/3/0.0; > interface fe-0/2/1.0; > } > ldp { > interface ge-1/3/0.0; > } > } > routing-instances { > cid-A { > instance-type l2vpn; > interface fe-0/2/1.0; > route-distinguisher x.x.x:3211; > vrf-import vpn-A-import; > vrf-export vpn-A-export; > protocols { > l2vpn { > encapsulation-type ethernet; > no-control-word; > interface fe-0/2/1.0; > site Side-A { > site-identifier 1; > interface fe-0/2/1.0 { > remote-site-id 2; > } > } > } > } > } > } > > Does anyone see a problem with my configs here? I seem to be losing 10 > bytes somewhere and it's driving me mad. > > -evt > > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > -- Sent from my mobile device ./diogo -montagner _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

