Training / Troubleshooting: L2Circuit via Access Ports

Good Morning All!

I am relatively new to Juniper. My company implemented them about a year ago and I've finally gotten around to working with them and I must say that I thoroughly enjoy the platform! Now that the formalities are out of the way, here is my issue and I'm hoping you all will be able to assist me with what I am over looking:

I have 2 seperate labs: one virtual (4x vSRX) and one physical (3x SRX210's donated to our lab by field technicians). For this issue, I am working in the physical lab. I have set up mpls/ldp across the 3 SRX's with OSPF being the IGP and I have established an LSP between routers 1 and 3 (aptly named JUNOS1 and JUNOS3). Attached to two of the fast ethernet interfaces (fe-0/0/2), I have 2x Cisco ME3400 2CS (donated by field technicians as well) acting as my "clients" with IP addresses configured directly on the connecting interfaces (192.168.254.0/30).

I see my LSP in the inet.3 table, and the "show l2circuit connections extensive" registers the circuit, and the labels assigned to the l2circuit, but I am unable to ping across the interfaces. I have monitored them and I see the input traffic coming from the switches during a continuous ping, so I'm all but postiive the issue is with the configuration of fe-0/0/2.0:

JUNOS3 Configuration:

rsvp {
interface ge-0/0/0.0;
interface ge-0/0/1.0;
}
mpls {
label-switched-path JUNOS1 {
traceoptions {
file JUNOS3.txt;
flag all;
}
to 192.168.255.0;
install 192.168.255.0/32 active;
record;
fast-reroute;
}
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0 {
passive;
priority 128;
}
ldp {
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0;
}
l2circuit {
neighbor 192.168.255.0 {
interface fe-0/0/2.0 {
virtual-circuit-id 1921682540;
encapsulation-type ethernet;
}

fe-0/0/2 {
description to_2CS3;
encapsulation ethernet-ccc;
unit 0 {
family ccc;
}

JUNOS1 Configuration:

rsvp {
interface ge-0/0/0.0;
interface ge-0/0/1.0;
}
mpls {
label-switched-path JUNOS3 {
traceoptions {
file JUNOS3.txt;
flag all;
}
to 192.168.255.2;
install 192.168.255.2/32 active;
record;
fast-reroute;
}
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0;
}
ospf {
area 0.0.0.0 {
interface ge-0/0/1.0;
interface lo0.0 {
passive;
priority 110;
}
}
}
ldp {
transport-address router-id;
interface ge-0/0/0.0;
interface ge-0/0/1.0;
interface lo0.0;
}
l2circuit {
neighbor 192.168.255.2 {
interface fe-0/0/2.0 {
virtual-circuit-id 1921682540;
encapsulation-type ethernet;
}
fe-0/0/2 {
description to_2CS1;
encapsulation ethernet-ccc;
unit 0 {
family ccc;
}

 Any guidance / assistance would be graciously appreciated!

Thanks!!!!!