Root Bridge hello time 2, max age 20, forward delay 15Bridge ID Priority 0, Address 90b1.1cf4.9b79We are the root of Vlan 1000Configured hello time 2, max age 20, forward delay 15Interface DesignatedName PortID Prio Cost Sts Cost Bridge ID PortID---------- -------- ---- ------ ----------- ------- -------------------- --------Po 1 128.2 128 188 FWD(vltI) 0 0 90b1.1cf4.9b79 128.2Po 2 128.3 128 2000 FWD(vlt) 0 0 90b1.1cf4.9b79 128.3Te 1/10/1 128.230 128 2000 FWD 0 0 90b1.1cf4.9b79 128.230Te 1/13/1 128.233 128 2000 FWD 0 0 90b1.1cf4.9b79128.233InterfaceName Role PortID Prio Cost Sts Cost Link-type Edge---------- ------ -------- ---- ------- ----------- ------- --------- ----Po 1 Desg 128.2 128 188 FWD 0 (vltI)P2P NoPo 2 Desg 128.3 128 2000 FWD 0 (vlt) P2P NoTe 1/10/1 Desg 128.230 128 2000 FWD 0 P2P YesTe 1/10/3 Desg 128.233 128 2000 FWD 0 P2P NoDell#Peer Routing Configuration ExampleThis section provides a detailed explanation of how to configure peer routing in a VLT domain.In the following example, devices are configured as follows:• Access switch A1 is connected to two VLT peers (Dell-1 and Dell-2).• The two VLT peers are connected to an upstream switch R1.• OSPF is configured in Dell-1, Dell-2, and R1 switches.• Dell-1 is configured as the root bridge.• Dell-1 is configured as the VLT primary.• As the Router ID of Dell-1 is the highest in the topology (highest loopback address of 172.17.1.1), Dell-1 is the OSPF Designated Router.• As the Router ID of Dell-2 is the second highest in the topology (172.16.1.1), Dell-2 is the OSPF Backup Designated Router.948 Virtual Link Trunking (VLT)
