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Contents
Example: Configuring multi-layer DRNI+STP+dual-active VLAN gateways ··· 1
Network configuration ········································································································································ 1
Applicable product matrix ··································································································································· 3
Analysis ······························································································································································ 3
Configuring the DR systems ······························································································································ 3
Procedure summary ··································································································································· 3
Configuring DRNI ······································································································································· 4
Configuring the dual-active gateways ······································································································ 14
Configuring the uplink device ··························································································································· 16
Traffic forwarding models ································································································································· 17
Underlay traffic characteristics ················································································································· 17
Underlay traffic forwarding models ··········································································································· 17
Testing network convergence upon single points of failure ············································································· 17
Verifying the configuration································································································································ 18
Verifying the status of the DR system ······································································································ 18
Verifying that the STP state is normal ······································································································ 20
Upgrading the devices ····································································································································· 21
Checking the environment ······················································································································· 21
Upgrading the devices ····························································································································· 21
Verifying the traffic interruption time during the upgrade ········································································· 21
Verifying the upgrade result ····················································································································· 22
Expanding the network····································································································································· 22
Checking the environment ······················································································································· 22
Expanding the network ····························································································································· 22
Verifying the traffic interruption time········································································································· 22
Verifying the expansion result ·················································································································· 22
Replacing hardware ········································································································································· 23
Replacing a service module ····················································································································· 23
Replacing a switching fabric module ········································································································ 23
Replace a device ······································································································································ 24