Ip-Over-Clns Tunnel Scenario 3: Ons Node To Router Across An Osi Dcn - Cisco ONS 15454 Reference Manual

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Management Network Connectivity

Figure 13-30

IP-over-CLNS Tunnel Scenario 3: ONS Node to Router Across an OSI DCN

Cisco IP tunnel

10.10.30.30/24

39.840F.80. 111111.0000.1111.1111.dddddddddddd.00

13.7.9 OSI/IP Networking Scenarios

The following eight scenarios show examples of ONS 15454s in networks with OSI-based NEs. The

scenarios show ONS 15454 nodes in a variety of roles. The scenarios assume the following:

10.10.10.100/24

Interface 0/0: 10.10.10.10/24

Interface 0/1: 10.10.20.10/24

39.840F.80.111111.0000.1111.1111.aaaaaaaaaaaa.00

Interface 0/0: 10.10.20.20/24

Interface 0/1: 10.10.30.10/24

39.840F.80. 111111.0000.1111.1111.bbbbbbbbbbbb.00

Other vendor

ONS 15454 NEs are configured as dual OSI and IP nodes with both IP and NSAP addresses. They

run both OSPF and OSI (IS-IS or ES-IS) routing protocols as "Ships-In-The-Night," with no route

redistribution.

ONS 15454 NEs run TARP, which allows them to resolve a TL1 TID to a NSAP address. A TID

might resolve to both an IP and an NSAP address when the destination TID is an ONS 15454 NE

that has both IP and NSAP address.

DCC links between ONS 15454 NEs and OSI-only NEs run the full OSI stack over LAP-D, which

includes IS-IS, ES-IS, and TARP.

DCC links between ONS 15454 NEs run the full OSI stack and IP (OSPF) over PPP.

Other vendor

Cisco ONS 15454 Reference Manual, R7.0.1

13.7 13.7.9 OSI/IP Networking Scenarios