S1# configure terminal 
S1(config)# spanning-tree mode rstp 
S1(config)# spanning-tree rstp priority 4096 

S1(config)# interface range e1/1/25-1/1/26 
S1(conf-range-eth1/1/25-1/1/26)# no switchport 
S1(conf-range-eth1/1/25-1/1/26)# no shutdown
S1(conf-range-eth1/1/25-1/1/26)# exit 

S1 (config)# interface mgmt 1/1/1 
S1 (conf-if-ma-1/1/1)# no ip address dhcp 
S1 (conf-if-ma-1/1/1)# ip address 192.168.10.63/24 
S1 (conf-if-ma-1/1/1)# no shutdown 
S1 (conf-if-ma-1/1/1)#exit

S1(config)# vlt-domain 1 
S1(conf-vlt-1)# discovery-interface ethernet 1/1/25
S1(conf-vlt-1)# discovery-interface ethernet 1/1/26 
S1(conf-vlt-1)# vlt-mac 0a:0b:0c:dd:dd:ff 
S1(conf-vlt-1)# backup destination 192.168.10.64 
S1(conf-vlt-1)# delay-restore 10 
S1(conf-vlt-1)# peer-routing 
S1(conf-vlt-1)#exit 

S1(config)# interface port-channel 1 
S1(conf-if-po-1)# description "Connect to S3 switch" 
S1(conf-if-po-1)# vlt-port-channel 1 
*S1(conf-if-po-1)# switchport mode trunk 
*S1(conf-if-po-1)# switchport trunk allowed vlan 10
S1(conf-if-po-1)# no shutdown 
S1(conf-if-po-1)# exit 

*S1(config)# interface ethernet e1/1/29 
*S1(conf-range-eth1/1/29)# channel-group 1 mode active 
*S1(conf-range-eth1/1/29)# no shutdown 
*S1(conf-range-eth1/1/29)# exit