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 Post subject: IOS XRv Error: AToM Dynamic with mismatched AC config
PostPosted: Fri May 02, 2014 6:19 pm 
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Joined: Fri May 02, 2014 5:47 pm
Posts: 1
Hi,
I'm running IOS XRv in VMware Workstation connecting to GNS3. I have a simple topology of two 3725 with NM-16ESW module CE routers in GNS3, each connecting directly to two XRv PE routers. The PE routers are connected to a P router also running XRv.
I have configured Layer 3 VPN's and layer 2 Local E-Line VPN's (AC's on same PE) between the CE's with no problem. But when I try to configure a Layer 2 EoMPLS VPN over a pseudowire I get the following error:
Error: AToM Dynamic with mismatched AC config

Here's the full show output:
RP/0/0/CPU0:PE1#show l2vpn xconnect
Fri May 2 23:37:31.563 UTC
Legend: ST = State, UP = Up, DN = Down, AD = Admin Down, UR = Unresolved,
SB = Standby, SR = Standby Ready, (PP) = Partially Programmed

XConnect Segment 1 Segment 2
Group Name ST Description ST Description ST
------------------------ ----------------------------- -----------------------------
AC2AC_1 EoMPLS DN Gi0/0/0/1.2 DN 10.2.2.2 101 DN
----------------------------------------------------------------------------------------
RP/0/0/CPU0:PE1#show l2vpn xconnect detail
Fri May 2 23:37:39.382 UTC

Group AC2AC_1, XC EoMPLS, state is down; Interworking none
AC: GigabitEthernet0/0/0/1.2, state is down
Type VLAN; Num Ranges: 1
VLAN ranges: [11, 11]
MTU 1500; XC ID 0x4; interworking none
Error: AToM Dynamic with mismatched AC config
Statistics:
packets: received 0, sent 0
bytes: received 0, sent 0
drops: illegal VLAN 0, illegal length 0
PW: neighbor 10.2.2.2, PW ID 101, state is down ( all ready )
PW class not set, XC ID 0xff000001
Encapsulation MPLS, protocol LDP
Source address 10.1.1.1
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 16007 16008
Group ID 0x300 0x400
Interface GigabitEthernet0/0/0/1.2 GigabitEthernet0/0/0/2.2
MTU 1500 1500
Control word disabled disabled
PW type Ethernet Ethernet
VCCV CV type 0x2 0x2
(LSP ping verification) (LSP ping verification)
VCCV CC type 0x6 0x6
(router alert label) (router alert label)
(TTL expiry) (TTL expiry)
------------ ------------------------------ -----------------------------
Incoming Status (PW Status TLV):
Status code: 0x6 (AC Down) in Notification message
Outgoing Status (PW Status TLV):
Status code: 0x6 (AC Down) in Notification message
MIB cpwVcIndex: 4278190081
Create time: 02/05/2014 23:35:14 (00:02:24 ago)
Last time status changed: 02/05/2014 23:35:39 (00:01:59 ago)
Last time PW went down: 02/05/2014 23:35:39 (00:01:59 ago)
Statistics:
packets: received 0, sent 0
bytes: received 0, sent 0

Here's the configs:
# PE1 #

interface GigabitEthernet0/0/0/1
speed 100
duplex full

int g0/0/0/1.2 l2t
encap dot1q 11
rewrite ingress tag pop 1
!
l2vpn
xconnect group AC2AC_1
p2p EoMPLS
commit
int g0/0/0/1.2
neighbor ipv4 10.2.2.2 pw-id 101

# PE2 #

interface GigabitEthernet0/0/0/2
speed 100
duplex full

interface g0/0/0/2.2 l2t
encapsulation dot1q 11
rewrite ingress tag pop 1

l2vpn
xconnect group AC2AC_1
p2p EoMPLS
interface GigabitEthernet0/0/0/2.2
neighbor ipv4 10.1.1.1 pw-id 101

# CE1 #

vlan 11
!
int vlan 11
ip add 192.168.11.1 255.255.255.0
!
int f1/1
switchport
switchport mode trunk
switch trunk allow vlan 1,11,1002-1005
speed 100
duplex full

# CE2 #

vlan 11
!
int vlan 11
ip add 192.168.11.2 255.255.255.0
!
int f1/2
switchport
switchport mode trunk
switch trunk allow vlan 1,11,1002-1005
speed 100
duplex full

############
I know this is probably a problem at the Cisco end, but I'm thinking it may be a bug specific to running IOS XRv in VMware Workstation or when integrating with GNS3, I'm wondering if other people have got this working okay. Any help would be greatly appreciated




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