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Configuring EVI ···························································································································································· 1
Overview ············································································································································································ 1
Layer 2 connectivity extension issues ····················································································································· 1
Network topologies ·················································································································································· 2
Terminology ······························································································································································ 3
Working mechanism ················································································································································ 4
Selective flooding ····················································································································································· 6
Path MTU ··································································································································································· 7
Licensing requirements ······················································································································································ 7
Prerequisites ······································································································································································· 7
EVI configuration task list ················································································································································· 7
Configuring EVI basic functions ······································································································································· 8
Configuring a site ID ················································································································································ 8
Configuring an EVI tunnel ······································································································································· 8
Assigning a network ID to the EVI tunnel ··············································································································· 9
Specifying extended VLANs on the EVI tunnel ······································································································ 9
Configuring ENDP ················································································································································· 10
Enabling EVI on transport-facing physical interfaces ························································································ 11
Tuning EVI IS-IS parameters ·········································································································································· 12
EVI IS-IS configuration task list ····························································································································· 12
Creating an EVI IS-IS process ······························································································································· 12
Optimizing an EVI IS-IS network ·························································································································· 13
Specifying a routing policy for an EVI IS-IS process ·························································································· 16
Enabling adjacency change logging ·················································································································· 16
Configuring SNMP notifications and context for EVI IS-IS ················································································ 17
Configuring Graceful Restart for an EVI IS-IS process ······················································································· 17
Increasing the maximum number of MAC entries in an LSP for an EVI IS-IS process ···································· 18
Enabling EVI flooding for all destination-unknown frames ························································································ 18
Enabling selective flooding for a MAC address ········································································································· 19
Enabling MAC address learning at the ingress ·········································································································· 19
Displaying and maintaining EVI ··································································································································· 20
EVI configuration examples ·········································································································································· 21
EVI network configuration example ····················································································································· 21
Multiple-EVI-networks configuration example ····································································································· 26
Index ··········································································································································································· 30
