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List: cisco-nsp
Subject: Re: [c-nsp] Cisco and Juniper - BGP MPLS L2VPN VPLS interoperability
From: "Aaron" <aaron1 () gvtc ! com>
Date: 2015-12-06 4:54:04
Message-ID: 000001d12fe2$2357b540$6a071fc0$ () gvtc ! com
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Sweet! This guy had the answer I was looking for...
https://supportforums.cisco.com/discussion/11517026/inter-vpls
...an RFC4761 trick in IOS XR fixed the missing mtu on my ASR9k when trying
to setup LSP's to Juniper.
******** this is what fixed it*************
l2vpn
autodiscovery bgp
signaling-protocol bgp
mtu mismatch ignore
***********************************
...now pw's are up (and I can ping from BVI on asr9k to ce's behind junipers
RP/0/RSP0/CPU0:eng-lab-9k-1#sh l2v br gr v100
Sat Dec 5 22:49:06.395 CST
Legend: pp = Partially Programmed.
Bridge group: v100, bridge-domain: v100, id: 11, state: up, ShgId: 0, MSTi:
0
Aging: 300 s, MAC limit: 4000, Action: none, Notification: syslog
Filter MAC addresses: 0
ACs: 1 (1 up), VFIs: 1, PWs: 3 (3 up), PBBs: 0 (0 up)
List of ACs:
BV100, state: up, BVI MAC addresses: 1
List of Access PWs:
List of VFIs:
VFI v100 (up)
Neighbor 10.101.12.245 pw-id 10100, state: up, Static MAC addresses: 0
Neighbor 10.101.12.248 pw-id 10100, state: up, Static MAC addresses: 0
Neighbor 10.101.12.250 pw-id 10100, state: up, Static MAC addresses: 0
...pw's are up even though junipers don't seem to be sending the asr9k their
mtu size.
RP/0/RSP0/CPU0:eng-lab-9k-1#sh l2v br gr v100 de | in MTU
Sat Dec 5 22:49:12.265 CST
Bridge MTU: 1500
MTU 1514; XC ID 0x80000015; interworking none
MTU 1500 unknown
MTU 1500 unknown
MTU 1500 1500
Aaron
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