Alcatel-Lucent 7710 SR Configuration Manual page 9

7710 SR Interfaces
Figure 1: MLPPP 24-bit Fragment Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
MLPPP 12-bit Fragment Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 2:
Figure 3: Frame Sequence of Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Figure 4: Original MLPPP Header Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Figure 5: MC-MLPPP Short Sequence Header Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Figure 6: MLPPP Class Queue Thresholds for In-Profile and Out-of-Profile Packets. . . . . . . . . . . . . . . .48
Figure 7: MLPPP Class Queue Scheduling Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Figure 8: APS Protection (Single Chassis APS) and Switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Figure 9: SC-APS Group with MDA and IOM Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Figure 10: MC-APS Group Protects Against Node Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Figure 11: APS Working and Protection Circuit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Figure 12: SC-APS MLPPP on Channelized Access Interfaces Example . . . . . . . . . . . . . . . . . . . . . . . . .78
Figure 13: MC-APS MLPPP on Channelized Access Intefaces Example . . . . . . . . . . . . . . . . . . . . . . . . . .79
Figure 14: Multi-Chassis APS Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Figure 15: Access and Node and Network Resilience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Figure 16: MC-APS with ATM VLL Redundancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Figure 17: LLDP Internal Architecture for a Network Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Figure 18: Generic Customer Use Case For LLDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Figure 19: LAG Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Figure 20: Active-Standby LAG Operation without LACP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Figure 21: MC-LAG L2 Dual Homing to Remote PE Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Figure 22: MC-LAG L2 Dual Homing to Local PE-Pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Figure 23: P2P Redundant Connection Through a Layer 2 VPN Network. . . . . . . . . . . . . . . . . . . . . . . .105
Figure 24: DSLAM Dual-Homing Using MC-LAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Figure 25: 802.1x Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Figure 26: 802.1x Authentication Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Figure 27: 802.1x EAPOL Timers (left) and RADIUS Timers (right) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Figure 28: MTU Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Figure 29: Slot, Card, MDA, and Port Configuration and Implementation Flow . . . . . . . . . . . . . . . . . . . .121
7710 SR OS Interface Configuration Guide
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IST OF IGURES
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