Anyone,
Labbing up L2TPv3 on a couple routers back to back, having
some issues with just one way traffic. Topology looks like this:
Ixia(port3)----Fa1/8(3660)Fa0/0----Fa0/0(3660)Fa1/8----(port4)Ixia
Both Ixia ports are sending traffic, but only port4 is receiving any
traffic. Port Fa1/8 on the right 3660 shows packets coming in, but 'sh
l2tun sess pack' on the right 3660 doesn't show any packets in, which the
fa0/0 interface counters confirm. Any idea what would cause this one-way
behavior? When I put the 4 ports in a bridge groups (Ieee), traffic flowed
as expected, so I know the Ixia isn't to blame. Relevant config:
R3 (left)
l2tp-class testclass
authentication
password 7 05080F1C2243
!
pseudowire-class test-pclass
encapsulation l2tpv3
protocol l2tpv3 testclass
ip local interface FastEthernet0/0
ip pmtu
!
!
interface FastEthernet0/0
ip address 10.0.0.1 255.255.255.252
ip flow ingress
duplex auto
speed auto
!
!
interface FastEthernet1/8
no switchport
no ip address
no cdp enable
xconnect 10.0.0.2 400 encapsulation l2tpv3 pw-class test-pclass
!
R4(right)
l2tp-class testclass
authentication
password 7 05080F1C2243
!
pseudowire-class test-pclass
encapsulation l2tpv3
protocol l2tpv3 testclass
ip local interface FastEthernet0/0
ip pmtu
!
!
interface FastEthernet0/0
ip address 10.0.0.2 255.255.255.252
ip flow ingress
duplex auto
speed auto
hold-queue 150 out
!
!
interface FastEthernet1/8
no switchport
no ip address
no cdp enable
xconnect 10.0.0.1 400 encapsulation l2tpv3 pw-class test-pclass
!
Any ideas? IOS is 12.4(10) IK9S , platform is 3660.
Thanks,
Chuck
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