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Dell EMC Networking OS Configuration Guide for the S5048F–ON System 9.14.2.8

eVLT Configuration Example

The following example demonstrates the steps to configure enhanced VLT (eVLT) in a network.

eVLT Configuration Step Examples

In this example, you are configuring two domains. Domain 1 consists of Peer 1 and Peer 2; Domain 2 consists of Peer 3 and Peer 4, as shown in the following example.

In Domain 1, configure Peer 1 fist, then configure Peer 2. When that is complete, perform the same steps for the peer nodes in Domain 2. The interface used in this example is TwentyfiveGigE.

Figure 1. eVLT Configuration Example
Illustration of an eVLT Configuration Example

In Domain 1, configure the VLT domain and VLTi on Peer 1.

Domain_1_Peer1#configure
Domain_1_Peer1(conf)#interface port-channel 1
Domain_1_Peer1(conf-if-po-1)# channel-member twentyFiveGigE 1/8-1/9

Domain_1_Peer1(conf)#vlt domain 1000
Domain_1_Peer1(conf-vlt-domain)# peer-link port-channel 1
Domain_1_Peer1(conf-vlt-domain)# back-up destination 10.16.130.11
Domain_1_Peer1(conf-vlt-domain)# system-mac mac-address 00:0a:00:0a:00:0a
Domain_1_Peer1(conf-vlt-domain)# peer-routing
Domain_1_Peer1(conf-vlt-domain)# unit-id 0

Configure eVLT on Peer 1.

Domain_1_Peer1(conf)#interface port-channel 100
Domain_1_Peer1(conf-if-po-100)# switchport
Domain_1_Peer1(conf-if-po-100)# vlt-peer-lag port-channel 100
Domain_1_Peer1(conf-if-po-100)# no shutdown

Add links to the eVLT port-channel on Peer 1.

Domain_1_Peer1(conf)#interface range twentyFiveGigE 1/16 - 1/17
Domain_1_Peer1(conf-if-range-tf-1/16-1/17)# port-channel-protocol LACP
Domain_1_Peer1(conf-if-range-tf-1/16-1/17)# port-channel 100 mode active
Domain_1_Peer1(conf-if-range-tf-1/16-1/17)# no shutdown

Next, configure the VLT domain and VLTi on Peer 2.

Domain_1_Peer2#configure
Domain_1_Peer2(conf)#interface port-channel 1
Domain_1_Peer2(conf-if-po-1)# channel-member twentyFiveGigE 1/8-1/9

Domain_1_Peer2(conf) #vlt domain 1000
Domain_1_Peer2(conf-vlt-domain)# peer-link port-channel 1
Domain_1_Peer2(conf-vlt-domain)# back-up destination 10.16.130.12
Domain_1_Peer2(conf-vlt-domain)# system-mac mac-address 00:0a:00:0a:00:0a
Domain_1_Peer2(conf-vlt-domain)# peer-routing
Domain_1_Peer2(conf-vlt-domain)# unit-id 1

Configure eVLT on Peer 2.

Domain_1_Peer2(conf)#interface port-channel 100
Domain_1_Peer2(conf-if-po-100)# switchport
Domain_1_Peer2(conf-if-po-100)# vlt-peer-lag port-channel 100
Domain_1_Peer2(conf-if-po-100)# no shutdown

Add links to the eVLT port-channel on Peer 2.

Domain_1_Peer2(conf)#interface range twentyFiveGigE 1/28 - 1/29
Domain_1_Peer2(conf-if-range-tf-1/28-1/29)# port-channel-protocol LACP
Domain_1_Peer2(conf-if-range-tf-1/28-1/29)# port-channel 100 mode active
Domain_1_Peer2(conf-if-range-tf-1/28-1/29)# no shutdown

In Domain 2, configure the VLT domain and VLTi on Peer 3.

Domain_2_Peer3#configure
Domain_2_Peer3(conf)#interface port-channel 1
Domain_2_Peer3(conf-if-po-1)# channel-member twentyFiveGigE 1/8-1/9
Domain_1_Peer3#no shutdown
Domain_2_Peer3(conf)#vlt domain 200
Domain_2_Peer3(conf-vlt-domain)# peer-link port-channel 1
Domain_2_Peer3(conf-vlt-domain)# back-up destination 10.18.130.11
Domain_2_Peer3(conf-vlt-domain)# system-mac mac-address 00:0b:00:0b:00:0b
Domain_2_Peer3(conf-vlt-domain)# peer-routing
Domain_2_Peer3(conf-vlt-domain)# unit-id 0

Configure eVLT on Peer 3.

Domain_2_Peer3(conf)#interface port-channel 100
Domain_2_Peer3(conf-if-po-100)# switchport
Domain_2_Peer3(conf-if-po-100)# vlt-peer-lag port-channel 100
Domain_2_Peer3(conf-if-po-100)# no shutdown

Add links to the eVLT port-channel on Peer 3.

Domain_2_Peer3(conf)#interface range twentyFiveGigE 1/19 - 1/21
Domain_2_Peer3(conf-if-range-tf-1/19-21)# port-channel-protocol LACP
Domain_2_Peer3(conf-if-range-tf-1/19-21)# port-channel 100 mode active
Domain_2_Peer3(conf-if-range-tf-1/19-21)# no shutdown

Next, configure the VLT domain and VLTi on Peer 4.

Domain_2_Peer4#configure
Domain_2_Peer4(conf)#interface port-channel 1
Domain_2_Peer4(conf-if-po-1)# channel-member twentyFiveGigE 1/8-1/9
Domain_1_Peer4#no shutdown

Domain_2_Peer4(conf)#vlt domain 200
Domain_2_Peer4(conf-vlt-domain)# peer-link port-channel 1
Domain_2_Peer4(conf-vlt-domain)# back-up destination 10.18.130.12
Domain_2_Peer4(conf-vlt-domain)# system-mac mac-address 00:0b:00:0b:00:0b
Domain_2_Peer4(conf-vlt-domain)# peer-routing
Domain_2_Peer4(conf-vlt-domain)# unit-id 1

Configure eVLT on Peer 4.

Domain_2_Peer4(conf)#interface port-channel 100
Domain_2_Peer4(conf-if-po-100)# switchport
Domain_2_Peer4(conf-if-po-100)# vlt-peer-lag port-channel 100
Domain_2_Peer4(conf-if-po-100)# no shutdown

Add links to the eVLT port-channel on Peer 4.

Domain_2_Peer4(conf)#interface range twentyFiveGigE 1/31 - 1/32
Domain_2_Peer4(conf-if-range-tf-1/31-1/32)# port-channel-protocol LACP
Domain_2_Peer4(conf-if-range-tf-1/31-1/32)# port-channel 100 mode active
Domain_2_Peer4(conf-if-range-tf-1/31-1/32)# no shutdown

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