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Cisco ONS 15310-MA SDH Reference Manual, Release 9.1 and Release 9.2
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Chapter 8 Management Network Connectivity
TCP/IP and OSI Networking
8.6.5.3 Manual TARP Adjacencies
TARP adjacencies can be manually provisioned in networks where ONS 15310-MA SDH nodes must
communicate across routers or non-SDH NEs that lack TARP capability. In CTC, manual TARP
adjacencies are provisioned on the node view Provisioning > OSI > TARP > MAT (Manual Area Table)
subtab. The manual adjacency causes a TARP request to hop through the general router or non-SDH NE,
as shown in Figure 8-17.
Figure 8-17 Manual TARP Adjacencies
8.6.5.4 Manual TID to NSAP Provisioning
TIDs can be manually linked to NSAPs and added to the TDC. Static TDC entries are similar to static
routes. For a specific TID, you force a specific NSAP. Resolution requests for that TID always return
that NSAP. No TARP network propagation or instantaneous replies are involved. Static entries allow you
to forward TL1 commands to NEs that do not support TARP. However, static TDC entries are not
dynamically updated, so outdated entries are not removed after the TID or the NSAP changes on the
target node.
8.6.6 OSI Virtual Routers
The ONS 15310-MA SDH support one OSI virtual router. The router is provisioned on the Provisioning
> OSI > Routers tabs. The router has an editable manual area address and a unique NSAP System ID that
is set to the node MAC address. The router can be enabled and connected to different OSI routing areas.
The Router 1 manual area address and System ID create the NSAP address assigned to the node’s TID.
Router 1 supports OSI TARP and tunneling functions. These include:
• TARP data cache
• IP-over-CLNS tunnels
• LAN subnet
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Generic
router
DCN
DCN
Manual
adjacency
