! Cisco IOS, , (troubleshooting).
, , show . , ? show.
Switch# show ?
show , Cisco. show - . . , , , MTU . , show interfaces, .
:
Switch# show interfaces fastethernet 0/1
, :
Switch# sh int fa 0/1
show version.
IOS, . , show version , .
:
- Software version - IOS ( -);
- Bootstrap version - Bootstrap ( Boot ROM);
- System up-time - ;
- System restart info - - (, , );
- Software image name - IOS, -;
- Router type and processor type - ;
- Memory type and allocation - ;
- Software features - / ;
- Hardware interfaces - , ;
- Configuration register - , ;
, , --More--. --More--, , . , Enter. - , .
, . show | (pipe), , .
:
Switch# show run | include ip dhcp pool
include , ip dhcp pool .
:
- include , ;
- exclude , ;
- begin , , ;
- section ;
,
show running-config | |
show startup-config | , NVRAM |
show ip interface | IP . show ip interface brief |
show ip route | , , |
show arp | ARP |
show mac-address-table | mac |
show cdp neighbors | Cisco, CDP |
show spanning-tree | STP |
show vlan | VLAN . |
show ip dhcp binding | , DHCP |
show ip nat translations | NAT |
show history | |
show inventory | UDI. UDI : (PID), (VID) (SN). |
show hardware | |
show power | |
show processes | |
show protocols | |
show flash |
, , IOS. .