Availability requirements ···································································································································· 1

Availability evaluation ········································································································································· 1

High availability technologies ····························································································································· 2

Fault detection technologies ······················································································································ 2

Protection switchover technologies ············································································································ 3

Configuring active and standby switchover ····················································· 5

Configuring active and standby switchover ········································································································ 5

Active and standby switchover configuration task list ························································································ 5

Ignoring version check of the standby MPU ······································································································ 5

Restarting the standby MPU ······························································································································ 6

Manually performing an active and standby switchover ···················································································· 6

Displaying and maintaining active and standby switchover ··············································································· 6

Configuring Ethernet OAM ·············································································· 7

Overview ···························································································································································· 7

Major functions of Ethernet OAM ··············································································································· 7

Ethernet OAMPDUs ··································································································································· 7

How Ethernet OAM works ·························································································································· 8

Standards and protocols ·························································································································· 10

Ethernet OAM configuration task list ················································································································ 10

Configuring basic Ethernet OAM functions ······································································································ 11

Configuring the Ethernet OAM connection detection timers ············································································ 11

Configuring link monitoring ······························································································································ 12

Configuring errored symbol event detection ···························································································· 12

Configuring errored frame event detection ······························································································· 12

Configuring errored frame period event detection ···················································································· 12

Configuring errored frame seconds event detection ················································································ 13

Configuring Ethernet OAM remote loopback ··································································································· 13

Configuration guidelines ··························································································································· 13

Enabling Ethernet OAM remote loopback in user view ············································································ 14

Enabling Ethernet OAM remote loopback in system view ······································································· 14

Enabling Ethernet OAM remote loopback in Ethernet port view ······························································ 14

Rejecting the Ethernet OAM remote loopback request from a remote port ············································· 14

Displaying and maintaining Ethernet OAM configuration ················································································· 15

Ethernet OAM configuration example ·············································································································· 15

Network requirements ······························································································································ 15

Configuration procedure ··························································································································· 16

Configuring CFD ··························································································· 18

Basic CFD concepts ································································································································· 18

CFD functions ·········································································································································· 20

Protocols and standards ·························································································································· 21

CFD configuration task list ······························································································································· 21

Configuring basic CFD settings ······················································································································· 22

Enabling CFD ··········································································································································· 22

Configuring the CFD protocol version ······································································································ 22

Configuring service instances ·················································································································· 22

Configuring MEPs ···································································································································· 23

Configuring MIP generation rules ············································································································· 24

Configuring CFD functions ······························································································································· 24

Configuration prerequisites ······················································································································ 24

Configuring CC on MEPs ························································································································· 24

Configuring LB on MEPs ·························································································································· 25

Configuring LT on MEPs ·························································································································· 25