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今天晚上给大家带来的是华为、华三、思科三大厂商的命令对比，会从三大方向来介绍：
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noundo undo showdisplaydisplayexitquitquithostnamesysnamesysnameen, config terminal system-view system-view deletedeletedeletereloadrebootrebootwritesavesaveusernamelocal-user local-user shutdownshutdownshutdownshow version display versiondisplay versionshow startup-config display saved-configuration display saved-configuration show running-config display current-configuration display current-configuration no debug all ctrl+d ctrl+d erase startup-config reset saved-configuration reset saved-configuration end return return exitlogoutlogoutlogginginfo-center info-center lineuser-interface user-interface start-config saved-configuration saved-configuration running-configcurrent-configurationcurrent-configurationhostip hostip hostenable passwordset authentication password simpleset authentication password simpleinterface type/number interface type/number interface type/number interface vlan 1interface vlan 1interface vlan 1interface ranginterface ethID to IDinterface ethID to IDenabl esecretsuper passwordsuper passwordduplex (half|full|auto) duplex (half|full|auto) duplex (half|full|auto) speed (10/100/1000) speed (10/100/1000) speed (10/100/1000) switchport mode trunkport link-type trunkport link-type trunkvlan ID /no vlan ID vlan batch ID /undo vlan batch IDvlan batch ID /undo vlan batch IDswitchport access vlanport default vlan IDport acces vlan IDshow interfacedisplay interface display interface show vlan IDdisplay vlan IDdisplay vlan IDencapsulationlink-protocol link-protocol channel-group 1 mode onport link-aggregation group 1 port link-aggregation group 1 ip routing默认开启默认开启no switchport 不支持不支持vtp domain GVRPGVRPspanning-tree vlan ID root primarystp instance id root primary stp instance id root primary spanning-tree vlan ID prioritystp primary vlauestp primary vlaueshow spanning-tree dis stp brief dis stp brief ip route 0.0.0.0 0.0.0.0ip route-static 0.0.0.0 0.0.0.0ip route-static 0.0.0.0 0.0.0.0ip route 目标网段 + 掩码 下一跳ip route-static 目标网段 + 掩码 下一跳ip route-static 目标网段 + 掩码 下一跳show ip route display ip routing-table display ip routing-table router rip /network 网段rip /network 网段rip /network 网段router ospf ospfospfnetwork ip 反码 area <area-id>area <area-id> area <area-id> no auto-summary rip split-horizonrip split-horizonshow ip protocol display ip protocol display ip protocol access-list 1-99 permit/deny IPrule id permit source IPrule id permit source IPaccess-list 100-199 permit/deny protocol source IP + 反码 destination IP + 反码 operator operanrule {normal|special}{permit|deny}{tcp| udp}source {<ip wild>|any}destination <ip wild>|any}[operate]rule {normal|special}{permit|deny}{tcp| udp}source {<ip wild>|any}destination <ip wild>|any}[operate]standby group-number ip virtual-ipvrrp vrid number virtual-ip vrrp vrid number virtual-ip standby group-number priorityvrrp vrid number priority vrrp vrid number priority standby group-number preemptvrrp vrid number preempt-mode vrrp vrid number preempt-mode standby group-number track无无ip nat inside source staticnat server global <ip> [port] inside <ip> port [protocol]nat server global <ip> [port] inside <ip> port [protocol]原创声明，本文系作者授权腾讯云开发者社区发表，未经许可，不得转载。
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