Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.112.1P1 - Page 987
eVLT Configuration Example, eVLT
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This default route is configured for testing purposes, as described in the next section. The access switch (A1) is used to generate ICMP test PINGs to a loopback interface on CR1. This default route points to Dell#2's VLAN 800 SVI interface. It's in place to ensure that routed test traffic has Dell#2's MAC address as the destination address in the Ethernet frame's header When A1 sends a packet to R1, the VLT peers act as the default gateway for each other. If the packet reaches Dell-1, irrespective of the default gateway used, Dell-1 routes the packet to R1. Similarly, if the packet reaches Dell-2, irrespective of the default gateway used, Dell-2 routes the packet to R1. eVLT Configuration Example The following example demonstrates the steps to configure enhanced VLT (eVLT) in a network. 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 TenGigabitEthernet. Figure 143. eVLT Configuration Example eVLT Configuration Step Examples 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 TenGigabitEthernet 1/8-9 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 Virtual Link Trunking (VLT) 987
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