** CoreCX-1
hostname CoreCX-1
interface 1/1/1
description To_AccesCX-1
no shutdown
no rout
interface 1/1/2
description To_AccesCX-2
no shutdown
no rout
interface 1/1/3
description To_CoreCX-2
no shutdown
no rout

show running-config current-context
show interface 1/1/2 | include Description

** CoreCX-2
hostname CoreCX-2
interface 1/1/1
description To_AccesCX-2
no shutdown
no rout
interface 1/1/2
description To_AccesCX-1
no shutdown
no rout
interface 1/1/3
description To_CoreCX-1
no shutdown
no rout

show running-config current-context
show interface 1/1/2 | include Description
@@@@@@@@@@
** AccessCX-1
hostname AccessCX-1
interface 1/1/1
description To_CoreCX-1
no shutdown
no rout
interface 1/1/2
description To_CoreCX-2
no shutdown
no rout

show running-config current-context
show interface 1/1/1 | include Description

** AccessCX-2
hostname AccessCX-2
interface 1/1/1
description To_CoreCX-2
no shutdown
no rout
interface 1/1/2
description To_Core-1
no shutdown
no rout
@@@@@@@@@@
show running-config current-context
show interface 1/1/1 | include Description

*** All Switches
copy running-config checkpoint Interfaces
@@@@@@@@@@
***** Create vLAN
*** All Switches 
configure  terminal
vlan 111
name Companys-111
no shutdown
exit

show vlan

*** CoreCX-1 and CoreCX-2
Assign vlan 111 to interfaces 1/1/1, 1/1/2 and 1/1/3
interface 1/1/1-1/1/3
vlan trunk allowed 1,111

*** AccessCX-1 and AccessCX-2
Assign vlan 111 to interfaces 1/1/1, 1/1/2
interface 1/1/1-1/1/2
vlan trunk allowed 1,111

show vlan
show vlan port 1/1/1
show vlan port 1/1/2
show vlan port 1/1/3
show vlan summary
show interface 1/1/1 

*** All Switches

show vlan 111
show trunk

copy running-config checkpoint vlan_111

show lldp-neighbor


@@@@@@@@@@@@
show mac-address-table

***** Create vLAN
*** All Switches 
configure  terminal
vlan 211
name Companys-211
no shutdown

** CoreCX-1, CoreCX-2
interface 1/1/1-1/1/3
vlan trunk allowed 1,111,211

** AccessCX-1, AccessCX-2
interface 1/1/1-1/1/2
vlan trunk allowed 1,111.211

*** All Switches 
write memory
copy running-config checkpoint vlan_211
@@@@@@@@@@@@
**** Spanning Tree
*** All Switches
show lldp neighbor-info

config terminal
spanning-tree mode mstp
spanning-tree
exit

show spanning-tree
** CoreCX-1
config terminal
spanning-tree priority 1

CoreCX-2
config terminal
spanning-tree priority 2
exit

show spanning-tree tree

write memory
copy running-config checkpoint mstp

**** IPv4 Routing
** CoreCX-1
Configure terminal
interface vlan 111
ip address 10.10.111.11/24
exit

show ip interface vlan 111
Configure terminal
vlan 211
interface vlan 211
ip address 10.10.211.11/24
end

show ip interface vlan 211

@@ CoreCX-1. CoreCX-2
write memory
copy running-config checkpoint routing

**** VRRP

show capacities VRRP
**** core-2
(config-if-VRRP)# no prempt

# Create TABLE-11
configure terminal
(config)# vrf TABLE-11

(config)# interface vlan 111
(config-if VLAN)# vrf attach TABLE-11
(config-if VLAN)# ip address 10.10.111.12/24

(config)# interface vlan 211
(config-if VLAN)# vrf attach TABLE-11
(config-if VLAN)# ip address 10.10.211.12/24
(config-if VLAN)# end
(config)# end

# show IP interface vrf TABLE-11

configure terminal
(config)# interface vlan 111
(config-if VLAN)#VRRP 11 address-family ipv4
(config-if VRRP)# address 10.10.111.1 primary
(config-if VRRP)# no shutdown
(config-if VRRP)#exit
(config)# exit
(config)# show vrrp interface vlan 111

write memory
copy running-config checkpoint VRRP

**** core-1
# Create TABLE-11
configure terminal
(config)# vrf TABLE-11

(config)# interface vlan 111
(config-if VLAN)# vrf attach TABLE-11
(config-if VLAN)# ip address 10.10.111.12/24

(config)# interface vlan 211
(config-if VLAN)# vrf attach TABLE-11
(config-if VLAN)# ip address 10.10.211.12/24
(config-if VLAN)# end
(config)# end

(config)# interface vlan 111
(config-if-VLAN)# VRRP 11 address-family ipv4
(config-if-VRRP)# address 10.10.111.1 primary
(config-if-VRRP)# no shutdown
(config-if-VRRP)# priority 254
(config-if-VRRP)# exit
(config-if-VLAN)# exit

show ip route vrf TABLE-11
show VRRP interface vlan 111
(config)# 

write memory
copy running-config checkpoint VRRP