VLAN間ルーティング(L3Switch)
CCNA取得からだいぶ経って、勉強した内容をほとんど忘れてしまったので、復習がてらにCisco Packet Tracerで以下の構成を組んでみました。
構成は、単純なL3Switchを用いたVLAN間ルーティングです。
以下、実際に入力した履歴です。
■Swtich-CW01
設定
Switch-CW01>
Switch-CW01>en
Switch-CW01#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch-CW01(config)#int vlan 1
Switch-CW01(config-if)#ip address 192.168.100.5 255.255.255.0 <-マネジメントIP設定
Switch-CW01(config-if)#no shutdown
Switch-CW01(config-if)#exit
Switch-CW01(config)#ip routing <-ルーティングの有効可
Switch-CW01(config)#vlan 10
Switch-CW01(config-vlan)#exit
Switch-CW01(config)#vlan 20
Switch-CW01(config-vlan)#exit
Switch-CW01(config)#int vlan 10
Switch-CW01(config-if)#ip address 192.168.1.254 255.255.255.0
Switch-CW01(config-if)#no shutdown
Switch-CW01(config-if)#exit
Switch-CW01(config)#int vlan 20
Switch-CW01(config-if)#ip address 192.168.2.254 255.255.255.0
Switch-CW01(config-if)#no shutdown
Switch-CW01(config-if)#exit
Switch-CW01(config)#int range g0/1-2 <-Switchportの確認
Switch-CW01(config-if-range)#switchport trunk encapsulation dot1q
Switch-CW01(config-if-range)#switchport mode trunk
Switch-CW01(config-if-range)#switchport trunk allowed vlan 10,20
Switch-CW01(config-if-range)#exit
設定確認
Switch-CW01#show vlan <- Vlanの確認
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
10 VLAN0010 active
20 VLAN0020 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
Switch-CW01#show int trunk <- trunkポートの確認
Port Mode Encapsulation Status Native vlan
Gig0/1 on 802.1q trunking 1
Gig0/2 on 802.1q trunking 1
Port Vlans allowed on trunk
Gig0/1 10,20
Gig0/2 10,20
Port Vlans allowed and active in management domain
Gig0/1 10,20
Gig0/2 10,20
Port Vlans in spanning tree forwarding state and not pruned
Gig0/1 10,20
Gig0/2 10,20
Switch-CW01#show ip int brief <-物理インタフェースとSVIの確認
…
FastEthernet0/22 unassigned YES unset down downFastEthernet0/23 unassigned YES unset down down
FastEthernet0/24 unassigned YES unset down down
GigabitEthernet0/1 unassigned YES unset up up
GigabitEthernet0/2 unassigned YES unset up up
Vlan1 192.168.100.5 YES manual up down
Vlan10 192.168.1.254 YES manual up up
Vlan20 192.168.2.254 YES manual up up
■Switch01
Switch>
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#hostname SW01
SW01(config)#int vlan 1
SW01(config-if)#ip address 192.168.100.1 255.255.255.0
SW01(config-if)#no shutdown
SW01(config-if)#
%LINK-5-CHANGED: Interface Vlan1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
SW01(config-if)#exit
SW01(config)#vlan 10
SW01(config-vlan)#exit
SW01(config)#vlan 20
SW01(config-vlan)#exit
SW01(config)#int range fa0/1-2
SW01(config-if-range)#switchport mode access
SW01(config-if-range)#int fa0/1
SW01(config-if)#switchport access vlan 10
SW01(config-if)#int fa0/2
SW01(config-if)#switchport access vlan 20
SW01(config-if)#int g0/1
SW01(config-if)#switchport mode trunk
SW01(config-if)#switchport trunk allowed vlan 10,20
SW01(config-if)#exit
SW01(config)#exit
SW01#
■Switch02
Switch>
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#hostname SW02
SW02(config)#int vlan 1
SW02(config-if)#ip address 192.168.100.2 255.255.255.0
SW02(config-if)#no shutdown
SW02(config-if)#
%LINK-5-CHANGED: Interface Vlan1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
SW02(config-if)#exit
SW02(config)#vlan 10
SW02(config-vlan)#exit
SW02(config)#vlan 20
SW02(config-vlan)#exit
SW02(config)#int range fa0/1-2
SW02(config-if-range)#switchport mode access
SW02(config-if-range)#int fa0/1
SW02(config-if)#switchport access vlan 10
SW02(config-if)#int fa0/2
SW02(config-if)#switchport access vlan 20
SW02(config-if)#int g0/1
SW02(config-if)#switchport mode trunk
SW02(config-if)#switchport trunk allowed vlan 10,20
SW02(config-if)#exit
SW02(config)#exit
SW02#
PC0(192.168.1.1)からPC3(192.168.2.2)に問題なく疎通とれることを確認できました。
仕事でネットワークを触ることがほとんどないので、時間があるタイミングで今後もやったことをアップしていきたいと思います。
