Useful Cisco Network devices Show commands to capture info before migrations .

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show run 
show ip int brief
show int descr
show interface status
show vtp status
show vlan brief
show int trunk
show etherchannel summary
show errdisable recovery
show errdisable detect
show interfaces stats
show interfaces counters
show interfaces switchport
show interfaces transceiver
show spanning-tree summary
show spanning-tree root
show spanning-tree blockedports 
show spanning-tree active detail
show spanning-tree port-priority
show spanning-tree summary totals
show spanning-tree mst configuration
show spanning-tree active
show spanning-tree bridge
show spanning-tree brief
show spanning-tree detail
show spanning-tree interface
show spanning-tree vlan
show ip protocol
show ip eigrp neighbors
show ip eigrp neighbors detail
show ip eigrp interfaces
show ip eigrp topology
show ip eigrp traffic
show ip route summary
show ip route
show ip masks
show standby brief
show monitor session all 
show switch virtual
show switch virtual link
show switch virtual dual-active summary
show switch virtual redundancy
show switch virtual role
show cdp neighbor
show cdp neighbor detail 
show ver
show inventory
show module
show power
show ip arp
show env all