Contents
xiv
Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
11.11 BLSR STS and VT Squelch Tables 11-22
11.11.1 BLSR STS Squelch Table 11-22
11.11.2 BLSR VT Squelch Table 11-23
11.12 IEEE 802.17 Resilient Packet Ring Circuit Display 11-23
11.13 Section and Path Trace 11-24
11.14 Path Signal Label, C2 Byte 11-25
11.15 Automatic Circuit Routing 11-27
11.15.1 Bandwidth Allocation and Routing 11-28
11.15.2 Secondary Sources and Destinations 11-28
11.16 Manual Circuit Routing 11-29
11.17 Constraint-Based Circuit Routing 11-33
11.18 Virtual Concatenated Circuits 11-34
11.18.1 VCAT Circuit States 11-34
11.18.2 VCAT Member Routing 11-34
11.18.3 Link Capacity Adjustment 11-36
11.18.4 VCAT Circuit Size 11-37
11.18.5 Open-Ended VCAT 11-38
11.18.5.1 Open-Ended VCAT Protection 11-39
11.19 Bridge and Roll 11-40
11.19.1 Rolls Window 11-40
11.19.2 Roll Status 11-42
11.19.3 Single and Dual Rolls 11-43
11.19.4 Two Circuit Bridge and Roll 11-45
11.19.5 Protected Circuits 11-46
11.20 Merged Circuits 11-46
11.21 Reconfigured Circuits 11-47
11.22 VLAN Management 11-47
11.23 Server Trails 11-47
11.23.1 Server Trail Protection Types 11-48
11.23.2 VCAT Circuit Routing over Server Trails 11-48
11.23.2.1 Shared Resource Link Group 11-49
CHAPTER
12 SONET Topologies and Upgrades 12-1
12.1 SONET Rings and TCC2/TCC2P Cards 12-1
12.2 Bidirectional Line Switched Rings 12-3
12.2.1 Two-Fiber BLSRs 12-3
12.2.2 Four-Fiber BLSRs 12-6
12.2.3 BLSR Bandwidth 12-9