Nortel Optical Multiservice Edge 6130 Planning Manual page 243

Figure 10-15
DCN example 7 - Dual OM4K GNEs with GRE tunnels to remote OME6130 NEs in SNCP ring with
OM4K
OME
61x0
A
Target
node
OME
61x0
B
OME
61x0
iIS-IS
Legend
= iIS-IS/OSI/LAPD/DCC
= iIS-IS/IP/PPP/DCC
= OSPF/IP/PPP/DCC
= IP/GRE/OSI
= OSI
= Static IP route/IP/PPP/DCC
= OME6110 or OME6130
OME 61x0
OM
4K/3K
D
OM
4K/3K
E
C
Planning Guide NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
Appendix A: Data communications planning 10-57
OM
4K/3K
F
OSI (4K/3K)
OM
4K/3K
OM
G
4K/3K
H
Packets routed using IS-IS
OMEA
R1
R2
IP
R3
IP and
OSI DCN