Dell PowerSwitch S4128F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 1417
Con VLT peer routing, Con VRRP Active-Active mode
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Configure VLT port channel - peer 1 OS10(config)# interface port-channel 20 OS10(conf-if-po-20)# vlt-port-channel 20 Configure VLT port channel - peer 2 OS10(config)# interface port-channel 20 OS10(conf-if-po-20)# vlt-port-channel 20 Configure VLT peer routing VLT peer routing enables optimized routing where packets destined for the L3 endpoint of the VLT peer are locally routed. VLT supports unicast routing of both IPv4 and IPv6 traffic. To enable VLT unicast routing, both VLT peers must be in L3 mode. The VLAN configuration must be symmetrical on both peers. You cannot configure the same VLAN as L2 on one node and as L3 on the other node. 1. Enter the VLT domain ID in CONFIGURATION mode, from 1 to 255. vlt-domain domain-id 2. Enable peer-routing in VLT-DOMAIN mode. peer-routing 3. Repeat the steps on the VLT peer. Configure unicast routing - peer 1 OS10(config)# vlt-domain 1 OS10(conf-vlt-1)# peer-routing Configure unicast routing - peer 2 OS10(config)# vlt-domain 1 OS10(conf-vlt-1)# peer-routing Configure VRRP Active-Active mode To enable optimized L3 forwarding over VLT, use VRRP Active-Active mode. By default, VRRP Active-Active mode is enabled on the VLAN interfaces. In this mode, each peer locally forwards L3 traffic, eliminating traffic flow across the VLTi link. Configure the same static and dynamic L3 routing on each peer to ensure that L3 reachability and routing tables are the same on both peers. 1. Enable VRRP Active-Active mode in VLAN-INTERFACE mode. vrrp mode active-active 2. Configure VRRP on the L3 VLAN that spans both peers. 3. Repeat the steps on the VLT peer. Configure VRRP active-active mode - peer 1 OS10(conf-if-vl-10)# vrrp mode active-active NOTE: VRRP active-active is the default mode. Configure VRRP active-active mode - peer 2 OS10(conf-if-vl-10)# vrrp mode active-active Virtual Link Trunking 1417
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