Access Node Resilience Using Mc-Lag And Pseudowire Redundancy; Figure 25: Access Node Resilience - Alcatel-Lucent 7750 SR OS Service Manual

Access Node Resilience using MC-LAG and Pseudowire
Redundancy
Figure 25
network and pseudowire redundancy in the core network to provide a resilient end-to-end VLL
service to the customers.
Active
MSAN
Standby
Active
MSAN
Standby
7750 SR OS Services Guide
shows the use of both Multi-Chassis Link Aggregation (MC-LAG) in the access
Aggregation
node
Active
A
Inter-chassis
PW for VLL
Standby
Aggregation
Standby
node
B
Aggregation
node
A
Inter-chassis
PW for VLL
Aggregation
node
B
Figure 12: Access Node Resilience
TLDP
Standby
Active Standby
Active
Active
TLDP
Virtual Leased Line Services
Aggregation
node
C
Standby
Inter-chassis
MSAN
PW for VLL
Active
Aggregation
node
C
Aggregation
node
C
Standby
Inter-chassis
MSAN
PW for VLL
Active
Aggregation
node
C
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