很靠北的冷笑話

1.哪一種動物最容易懷孕?
刺蝟
被(背)上很多次(刺)
2.詩仙李白怎麼死的?
失血(詩寫)過多
3.

無線AP資料

DWL-3200AP
預設IP:192.168.0.50
帳/密:admin/無

匯集交換器鏈路PAgP LACP

設定PAgP EtherChannel

S1(config)#port-channel load-balance src-dst-port

S1(config)#interface range gi0/1-4

S1(config-if)#channge-protocol pagp

S1(config-if)#channel-group 1 mode desirable non-silent

設定LACP EtherChannel

S1(config)#lacp system-priority 100

S1(config)#interface range gi0/1-2

S1(config-if)#channge-protocol lacp

S1(config-if)#channel-group 1 mode active

S1(config-if)#lacp port-priority 100 需要備援時

S1(config-if)#exit

S1(config)#interface range gi0/3-4

S1(config-if)#channge-protocol lacp

S1(config-if)#channel-group 1 mode active

確認狀態
S1#show etherchannel summary

STP

STP狀態
S1#show spanning interface gi0/1
S1#debug spanning-tree switch state

設定根橋接器
S1(config)#spanning-tree vlan 100 root primary
S1(config)#spanning-tree vlan 100 priority 0

設定交換埠的路徑成本
S1(config)#spanning-tree vlan 10 cost 2

啟用根防護
S1(config-if)#spanning-tree guard root

BPDU防護
啟用BPDU防護作為預設
S1(config)#spanning-tree portfast bpduguard default

啟用BPDU防護
S1(config-if)#spanning-tree bpduguard enable

Linux

查看位元數
getconf LONG_BIT

第三層之備援-FHRP(HSRP,VRRP,GLBP)

熱備援路由協定HSRP
S1(config)#interface vlan 50
S1(config-if)#ip address 192.168.1.10 255.255.255.0
S1(config-if)#standby 1 priority 200
S1(config-if)#standby 1 ip 192.168.1.1
S1(config-if)#standby 1 authentication MyKey
S1(config-if)#standby 2 priority 100
S1(config-if)#standby 2 ip 192.168.1.2
S1(config-if)#standby 2 authentication MyKey

S2(config)#interface vlan 50
S2(config-if)#ip address 192.168.1.11 255.255.255.0
S2(config-if)#standby 1 priority 100
S2(config-if)#standby 1 ip 192.168.1.1
S2(config-if)#standby 1 authentication MyKey
S2(config-if)#standby 2 priority 200
S2(config-if)#standby 2 ip 192.168.1.2
S2(config-if)#standby 2 authentication MyKey

檢視HSRP
S1#show standby vlan 50 brief

--------------------------------------------------------
虛擬路由器備援VRRP
S1(config)#interface vlan 50
S1(config-if)#ip address 192.168.1.10 255.255.255.0
S1(config-if)#vrrp 1 priority 200
S1(config-if)#vrrp 1 ip 192.168.1.1
S1(config-if)#vrrp 2 priority 100
S1(config-if)#no vrrp 2 preempt
S1(config-if)#vrrp 2 ip 192.168.1.2


S2(config)#interface vlan 50
S2(config-if)#ip address 192.168.1.11 255.255.255.0
S2(config-if)#vrrp 1 priority 100
S2(config-if)#no vrrp 1 preempt
S2(config-if)#vrrp 1 ip 192.168.1.1
S2(config-if)#vrrp 2 priority 200
S2(config-if)#vrrp 2 ip 192.168.1.2

檢視VRRP
S1#show vrrp brief

---------------------------------------------------------
閘道負載平衡協定GLBP
S1(config)#interface vlan 50
S1(config-if)#ip address 192.168.1.10 255.255.255.0
S1(config-if)#glbp 1 priority 200
S1(config-if)#glbp 1 preempt
S1(config-if)#glbp 1 192.168.1.1

S2(config)#interface vlan 50
S2(config-if)#ip address 192.168.1.11 255.255.255.0
S2(config-if)#glbp 1 priority 150
S2(config-if)#glbp 1 preempt
S2(config-if)#glbp 1 192.168.1.1

S3(config)#interface vlan 50
S3(config-if)#ip address 192.168.1.12 255.255.255.0
S3(config-if)#glbp 1 priority 100
S3(config-if)#glbp 1 192.168.1.1

檢視GLBP
S1#show glbp brief

--------------------------------------------------------
設定備援模式
R1(config)#redundancy
R1(config-red)#mode rpr(rpr-plus | sso)

查看備援模式狀態
show redundancy states

VLAN

ISL(Inter-Switch Link)跨交換器鏈路-Cisco設備專用
VTP(VLAN Trunking Protocol)VLAN主幹通訊協定

新增VLAN
S1#config t
S1(config)#vlan 20
S1(config-vlan)#Engineering

指派交換埠給vlan
S1(config)#interface fa0/0
S1(config-if)#switchport
S1(config-if)#switchport mode access
S1(config-if)#switchport access vlan  20

VLAN Trunk設定
S1(config)#interface gi0/1
S1(config-if)#switchport trunk encapsulation dot1q
S1(config-if)#switchport trunk native vlan 20
S1(config-if)#switchport trunk allowed vlan all
S1(config-if)#switchport trunk mode dynamic desirable

檢視trunk狀態
S1#show interface fa0/1 trunk
S1#show interface status
S1#show vlan id 20
S1#show interface fa0/1 switchport
S1#show interface fa0/1 trunk

檢視vtp組態
S1#show vtp status

設定vtp管理領域
S1(config)#vtp domain Jason

設定vtp模式
S1(config)#vtp mode server
S1(config)#vtp password 12345

設定vtp版本
S1(config)#vtp vsesion 2

啟用vtp修剪
S1(config)#vtp pruning