close
show ip route: check routing table
show int : check interface
show ip ospf nei; check ospf neighbor
show arp: check mac-address mapping ip address
show ip int bri: check interface ip and status
show run: check current config
show version: check IOS version
show access-list: check acl
show flash: check flash files
show system mtu
show vtp status
show mac-address-table count
show cdp neighbors
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