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Alcatel-Lucent 7750 - Page 9

Alcatel-Lucent 7750
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7750 SR Interface Configuration Guide Page 9
List of Figures
Interfaces
Figure 1: 802.1x Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Figure 2: 802.1x Authentication Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Figure 3: 802.1x EAPOL Timers (left) and RADIUS Timers (right) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Figure 4: MLPPP 24-bit Fragment Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Figure 5: MLPPP 12-bit Fragment Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Figure 6: Frame Sequence of Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Figure 7: Original MLPPP Header Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Figure 8: MC-MLPPP Short Sequence Header Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Figure 9: MLPPP Class Queue Thresholds for In-Profile and Out-of-Profile Packets . . . . . . . . . . . . . . . . . . .63
Figure 10: MLPPP Class Queue Scheduling Scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Figure 11: APS Protection (Single Chassis APS) and Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Figure 12: SC-APS Group with MDA and IOM Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Figure 13: MC-APS Group Protects Against Node Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Figure 14: APS Working and Protection Circuit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Figure 15: SC-APS MLPPP on Channelized Access Interfaces Example. . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Figure 16: MC-APS MLPPP on Channelized Access Interfaces Example . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Figure 17: Multi-Chassis APS Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Figure 18: Access and Node and Network Resilience. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Figure 19: MC-APS with ATM VLL Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Figure 20: Mobile RAN with Microwave Transport Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Figure 21: 1+1 APS Protected Microwave SDH Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Figure 22: LLDP Internal Architecture for a Network Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Figure 23: Generic Customer Use Case For LLDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Figure 24: Active-Standby LAG Operation without Deployment Examples . . . . . . . . . . . . . . . . . . . . . . . . . .112
Figure 25: LAG on Access Interconnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Figure 26: LAG on Access Failure Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Figure 27: MC-LAG L2 Dual Homing to Remote PE Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Figure 28: MC-LAG L2 Dual Homing to Local PE-Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Figure 29: P2P Redundant Connection Through a Layer 2 VPN Network . . . . . . . . . . . . . . . . . . . . . . . . . .144
Figure 30: DSLAM Dual-Homing Using MC-LAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Figure 31: Grace TLV Passive Node with Soft Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Figure 32: Grace TLV Active Node with Soft Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Figure 33: MTU Configuration Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Figure 34: Slot, Card, MDA, and Port Configuration and Implementation Flow. . . . . . . . . . . . . . . . . . . . . . .174
Figure 35: Channelized DS3 Port Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208
Figure 36: Channelized OC-12 Port Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

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