I have following topology
R1----------R2----------R3
R1 is ASR 9000 series router and R3 is ASR 900 router. Both are enabled with segment routing. I created one l2vpn xconnect from R1 to R3 which is not coming up.
Below is the configuration of both the routers
R1#
router ospf 1
router-id 5.5.5.5
segment-routing sr-prefer
segment-routing prefix-sid-map advertise-local
area 0
segment-routing forwarding mpls
mpls traffic-eng
segment-routing mpls
interface Loopback0
prefix-sid index 3
!
interface TenGigE0/0/2/0
cost 1
network point-to-point
passive disable
fast-reroute per-prefix
fast-reroute per-prefix ti-lfa enable
!
interface TenGigE0/0/2/2
cost 1
network point-to-point
passive disable
fast-reroute per-prefix
!
!
mpls traffic-eng router-id Loopback0
!
l2vpn
pw-class MPLS
encapsulation mpls
ipv4 source 5.5.5.5
!
!
xconnect group SR-P2P-1
p2p SR-P2P-1
interface Bundle-Ether100.181
neighbor ipv4 3.3.3.3 pw-id 181
pw-class MPLS
!
!
R1#sh version
Thu Jun 22 11:58:01.355 UTC
Cisco IOS XR Software, Version 5.3.3[Default]
Copyright (c) 2016 by Cisco Systems, Inc.
ROM: System Bootstrap, Version 2.04(20140424:063844) [ASR9K ROMMON],
RABDCILABCR01 uptime is 2 weeks, 2 days, 14 hours, 30 minutes
System image file is "bootflash:disk0/asr9k-os-mbi-5.3.3.sp2-1.0.0/0x100000/mbiasr9k-rp.vm"
cisco ASR9K Series (P4040) processor with 8388608K bytes of memory.
P4040 processor at 1500MHz, Revision 3.0
ASR-9001 Chassis
2 Management Ethernet
8 TenGigE
8 DWDM controller(s)
8 WANPHY controller(s)
219k bytes of non-volatile configuration memory.
2868M bytes of hard disk.
3915760k bytes of disk0: (Sector size 512 bytes).
Configuration register on node 0/RSP0/CPU0 is 0x2102
Boot device on node 0/RSP0/CPU0 is disk0:
Package active on node 0/RSP0/CPU0:
asr9K-doc-supp, V 5.3.3[Default], Cisco Systems, at disk0:asr9K-doc-supp-5.3.3
Built on Thu Jan 28 14:43:27 UTC 2016
By iox-lnx-006 in /auto/srcarchive16/production/5.3.3/asr9k-px/workspace for pie
R3#
router ospf 1
router-id 3.3.3.3
segment-routing area 0 mpls
segment-routing mpls
segment-routing prefix-sid-map advertise-local
network 3.3.3.3 0.0.0.0 area 0
network 10.10.10.8 0.0.0.1 area 0
network 192.168.12.0 0.0.0.3 area 0
mpls traffic-eng router-id Loopback0
mpls traffic-eng area 0
!
segment-routing mpls
!
set-attributes
address-family ipv4
sr-label-preferred
exit-address-family
!
!
connected-prefix-sid-map
address-family ipv4
3.3.3.3/32 index 1 range 1
exit-address-family
!
!
interface Port-channel22
service instance 181 ethernet
encapsulation dot1q 181
xconnect 5.5.5.5 181 encapsulation mpls
!
Both routers are configured with segment routing only
R1# sh l2vpn xconnect detail
Group SR-P2P-1, XC SR-P2P-1, state is down; Interworking none
AC: Bundle-Ether100.181, state is up
Type VLAN; Num Ranges: 1
VLAN ranges: [181, 181]
MTU 9188; XC ID 0xa0000005; interworking none
Statistics:
packets: received 0, sent 0
bytes: received 0, sent 0
drops: illegal VLAN 0, illegal length 0
PW: neighbor 3.3.3.3, PW ID 181, state is down ( local ready )
PW class MPLS, XC ID 0xc0000008
Encapsulation MPLS, protocol LDP
Source address 5.5.5.5
PW type Ethernet, control word disabled, interworking none
PW backup disable delay 0 sec
Sequencing not set
PW Status TLV in use
MPLS Local Remote
------------ ------------------------------ -----------------------------
Label 24042 unknown
Group ID 0x1e0 unknown
Interface Bundle-Ether100.181 unknown
MTU 9188 unknown
Control word disabled unknown
PW type Ethernet unknown
VCCV CV type 0x2 0x0
(none)
(LSP ping verification)
VCCV CC type 0x6 0x0
(none)
(router alert label)
(TTL expiry)
------------ ------------------------------ -----------------------------
Outgoing Status (PW Status TLV):
Status code: 0x0 (Up) in Notification message
MIB cpwVcIndex: 3221225480
Create time: 19/06/2017 14:24:55 (20:48:10 ago)
Last time status changed: 19/06/2017 14:31:42 (20:41:24 ago)
Error: MTU mismatched
Statistics:
packets: received 0, sent 0
bytes: received 0, sent 0
Can anyone help me if I am missing something.
