Characteristics of RI on the ML-Series Card
Figure 26-8
Characteristics of RI on the ML-Series Card
RI on the ML-Series card has these characteristics:
•
•
•
•
•
When connecting to a switch running EtherChannel, you must configure rpr-ieee ri foreign on the
Caution
primary and secondary ML-Series cards.
Cisco ONS 15454 and Cisco ONS 15454 SDH Ethernet Card Software Feature and Configuration Guide, R8.0
26-38
RPR RI
Supported only on Gigabit Ethernet
Provisioned by identifying peer RPR MACs as either primary or standby
Uses an OAM frame to flush the spatially aware sublayer (SAS) table and MAC table at the add
stations
Provides protection between individual RPRs, including:
Two RPRs
–
Two Cisco proprietary RPRs
–
A Cisco proprietary ring and an IEEE 802.17 ring
–
Provides card-level redundancy when connected to a switch running EtherChannel
Chapter 26 Configuring IEEE 802.17b Resilient Packet Ring
Primary
pair
ML1000-2
West
East
West
A
OC-N
GEC
ML1000-2
OC-N
C
West
East
West
Secondary
pair
ML1000-2
East
B
ML1000-2
D
East