Here is the port config:
le...@agg1.pgt> show configuration interfaces ge-1/1/4 description "UGW9811 2/1/1 for MTU testing"; unit 0 { family inet { mtu 1500; address 10.2.0.241/28; } } le...@agg1.pgt> le...@agg1.pgt> show configuration routing-instances s1u instance-type vrf; interface ge-1/0/2.1100; interface ge-1/1/4.0; interface ae0.510; interface lo0.300; route-distinguisher 29009:103; vrf-import s1u-import; vrf-export s1u-export; vrf-target target:29009:103; vrf-table-label; protocols { ospf { export VPN-OSPF-export; area 0.0.0.0 { interface ae0.510; interface ge-1/0/2.1100 { passive; } interface ge-1/1/4.0 { metric 1; } } } } le...@agg1.pgt> ________________________________________ From: Tima Maryin [timamar...@mail.ru] Sent: 06 November 2012 18:54 To: Leigh Porter Cc: juniper-nsp@puck.nether.net Subject: Re: [j-nsp] MX80 MPLS L3VPN Fragment drops On 06.11.2012 18:57, Leigh Porter wrote: >> * Leigh Porter <leigh.por...@ukbroadband.com> [2012-11-06 00:46]: >>> A packet dump reveals that the TCP sender (FTP server) will send a >>> segment, the LTE core will encap this segment and fragment the tunnel >>> packet, these fragments enter into an MX80 and into a L3VPN instance >>> but then only the first half of the fragmented datagram ever exits >> the >>> MX80 as an MPLS packet. >> >> Hi Leigh, >> >> you might be hitting PR736749: > > In L3VPN scenario, transit packets which require fragmentation, traversing > over the > mpls core, might get dropped at the egress PE, if the egress PE?s, CE facing > interface > is on trio chipset cards. [PR736749: This issue has been resolved.] > > It looks like that, but the packet was already fragmented and it was on > ingress of a PE ;-) That description is not very precise. It affects also transiting fragments. I'm sure you're hitting this bug. >> Which JunOS Version are you using? > > 10.4R1.5 ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp