Contents
vii
Cisco ONS 15310-MA SDH Reference Manual, Release 9.1 and Release 9.2
78-19417-01
7.9 Bridge and Roll 7-18
7.9.1 Rolls Window 7-18
7.9.2 Roll Status 7-19
7.9.3 Single and Dual Rolls 7-20
7.9.4 Two-Circuit Bridge and Roll 7-22
7.9.5 Protected Circuits 7-22
7.10 Merged Circuits 7-22
7.11 Reconfigured Circuits 7-23
7.12 Server Trails 7-23
7.12.1 Server Trail Protection Types 7-24
7.12.2 VCAT Circuit Routing over Server Trails 7-24
7.12.2.1 Shared Resource Link Group 7-25
CHAPTER
8 Management Network Connectivity 8-1
8.1 IP Networking Overview 8-2
8.2 IP Addressing Scenarios 8-2
8.2.1 Scenario 1: CTC and ONS 15310-MA SDH Nodes on the Same Subnet 8-3
8.2.2 Scenario 2: CTC and ONS 15310-MA SDH Nodes Connected to a Router 8-3
8.2.3 Scenario 3: Using Proxy ARP to Enable an ONS 15310-MA SDH Gateway 8-4
8.2.4 Scenario 4: Default Gateway on CTC Computer 8-6
8.2.5 Scenario 5: Using Static Routes to Connect to LANs 8-7
8.2.6 Scenario 6: Using OSPF 8-9
8.2.7 Scenario 7: Provisioning the ONS 15310-MA SDH Proxy Server 8-11
8.3 Routing Table 8-16
8.4 External Firewalls 8-18
8.5 Open GNE 8-20
8.6 TCP/IP and OSI Networking 8-22
8.6.1 Point-to-Point Protocol 8-23
8.6.2 Link Access Protocol on the D Channel 8-24
8.6.3 OSI Connectionless Network Service 8-24
8.6.4 OSI Routing 8-27
8.6.4.1 End System-to-Intermediate System Protocol 8-28
8.6.4.2 Intermediate System-to-Intermediate System Protocol 8-28
8.6.5 TARP 8-29
8.6.5.1 TARP Processing 8-30
8.6.5.2 TARP Loop Detection Buffer 8-31
8.6.5.3 Manual TARP Adjacencies 8-32
8.6.5.4 Manual TID to NSAP Provisioning 8-32
8.6.6 OSI Virtual Routers 8-32
