Manual Tarp Adjacencies; Manual Tid To Nsap Provisioning; Tcp/Ip And Osi Mediation - Cisco ONS 15600 Reference Manual
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9.7.6 TCP/IP and OSI Mediation
9.7.5.3 Manual TARP Adjacencies
TARP adjacencies can be manually provisioned in networks where ONS 15600s must communicate
across routers or non-SONET 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-SONET NE, as shown
in
Figure
Figure 9-22
9.7.5.4 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dynamically updated, so outdated entries are not removed after the TID or the NSAP changes on the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.
9.7.6 TCP/IP and OSI Mediation
Two mediation processes facilitate TL1 networking and file transfers between NEs and ONS client
computers running TCP/IP and OSI protocol suites:
•
Cisco ONS 15600 Reference Manual, R6.0
9-36
9-22.
Manual TARP Adjacencies
DCN
T–TD—Performs a TL1-over-IP to TL1-over-OSI gateway mediation to enable an IP-based OSS to
manage OSI-only NEs subtended from a GNE.
Generic
router
Manual
adjacency
DCN
Figure 9-23
Chapter 9
Management Network Connectivity
shows the T–TD protocol flow.
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