[c-nsp] ME3600 dot1q-tunnel

[Tony Bunce]

Does anyone have tips on how to get the equivalent of a dot1q-tunnel between a ME3400 and a ME3600 working?  I'm trying to provide a pretty basic Metro-E type service for a customer and have a ME-3400 at one site and a ME-3600 at the other site.  A ME-3400 sits at the head end to connect the two sites.
ME-3400 --> ME-3400E <-- ME3600
	
The 3600 doesn't support dot1q-tunnel so I have to use a EVC on that side.  I'm trying to get all traffic (some tagged, some untagged) from port 1 of the ME-3400 at one site to port 1 of the ME-3600. 

If I replace the ME-3600 with a 3400 and do a basic dot1q-tunnel everything works fine and the customer is able to pass vlans between the two sites.  When I try to use the 3600 the customer can't ping between the two sites.  I see mac address from Site 1 in Site 2's mac table but pings don't seem to work

ME-3400 (Site 1)
!
interface GigabitEthernet0/1
 description P-t-P MetroE
 switchport access vlan 400
 switchport mode dot1q-tunnel

ME-3600 (Site 2):
interface GigabitEthernet0/1
 description P-t-P MetroE
 switchport trunk allowed vlan none
 switchport mode trunk
 mtu 9000
 service instance 1 ethernet
  encapsulation untagged !untagged traffic
  l2protocol tunnel cdp stp vtp dtp lacp
  bridge-domain 400
 !
 service instance 2 ethernet
  encapsulation dot1q 1-4094 !all tagged vlans
  bridge-domain 400
 !
end