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High availability overview ··········································································································································· 1
Availability requirements ·················································································································································· 1
Availability evaluation ······················································································································································ 1
High availability technologies ········································································································································· 2
Fault detection technologies ···································································································································· 2
Protection switchover technologies ························································································································· 3
Configuring active and standby switchover ··············································································································· 5
Introduction to active and standby switchover ··············································································································· 5
Active and standby switchover configuration task list ·································································································· 5
Ignoring version check of the standby MPU··················································································································· 6
Restarting the standby MPU ············································································································································· 6
Manually performing an active and standby switchover ······························································································ 6
Displaying and maintaining active and standby switchover ························································································ 7
Configuring Ethernet OAM ········································································································································· 8
Ethernet OAM overview ··················································································································································· 8
Background ······························································································································································· 8
Major functions of Ethernet OAM ·························································································································· 8
Ethernet OAMPDUs ·················································································································································· 8
How Ethernet OAM works ··································································································································· 10
Standards and protocols ······································································································································ 12
Ethernet OAM configuration task list ··························································································································· 12
Configuring basic Ethernet OAM functions ················································································································· 12
Configuring link monitoring ·········································································································································· 13
Configuring errored frame event detection ········································································································ 13
Configuring errored frame period event detection ···························································································· 13
Configuring errored frame seconds event detection ························································································· 14
Configuring Ethernet OAM remote loopback ············································································································· 14
Enabling Ethernet OAM remote loopback ········································································································· 14
Rejecting the Ethernet OAM remote loopback request from a remote port ···················································· 15
Displaying and maintaining Ethernet OAM configuration ························································································ 15
Ethernet OAM configuration example ························································································································· 16
Configuring RPR ························································································································································· 19
RPR overview ·································································································································································· 19
Ring structure of RPR ············································································································································· 19
Data operations on RPR ········································································································································ 20
Topology discovery ··············································································································································· 22
Fault response methods ········································································································································ 22
Centralized RPR and distributed RPR ··················································································································· 25
RPR interface ·························································································································································· 25
Protocols and standards ······································································································································· 26
RPR configuration task list·············································································································································· 26
Configuring basic RPR functions ··································································································································· 27
Configuring an RPR physical port ························································································································ 27
Creating and configuring a Layer 3 RPR logical interface ··············································································· 28
Binding an RPR logical interface with RPR physical ports ················································································· 28
Enabling RPR mate port smart connection ·········································································································· 29
Changing the RPR physical port type ·················································································································· 29
