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Configuring EVI ···························································································································································· 1
Overview ············································································································································································ 1
Layer 2 connectivity extension issues ····················································································································· 1
Network topologies ·················································································································································· 2
Terminology ······························································································································································ 3
Working mechanism ················································································································································ 4
Placement of Layer 3 gateways ······························································································································ 7
Selective flood ·························································································································································· 7
Path MTU ··································································································································································· 7
Configuration restrictions and guidelines ······················································································································· 7
Licensing requirements ············································································································································· 7
Hardware requirements ··········································································································································· 7
Feature compatibility requirements ························································································································· 7
EVI configuration task list ················································································································································· 8
Configuring EVI basic features ········································································································································ 8
Configuring a site ID ················································································································································ 8
Configuring an EVI tunnel ······································································································································· 9
Assigning a network ID to the EVI tunnel ············································································································ 10
Specifying extended VLANs on the EVI tunnel ··································································································· 10
Configuring ENDP ················································································································································· 10
Enabling EVI on transport-facing physical interfaces ························································································ 12
Tuning EVI IS-IS parameters ·········································································································································· 12
EVI IS-IS configuration task list ····························································································································· 12
Creating an EVI IS-IS process ······························································································································· 13
Optimizing an EVI IS-IS network ·························································································································· 14
Specifying a routing policy for an EVI IS-IS process ·························································································· 17
Enabling adjacency change logging ·················································································································· 18
Configuring Graceful Restart for an EVI IS-IS process ······················································································· 18
Increasing the maximum number of MAC entries in an LSP for an EVI IS-IS process ···································· 19
Enabling selective flood for a MAC address ·············································································································· 19
Displaying and maintaining EVI ··································································································································· 20
EVI configuration examples ·········································································································································· 21
Single-homed EVI network configuration example ···························································································· 21
Multiple-EVI-networks configuration example ····································································································· 28
Index ············································································································································································· 1
