GNS3 活用 - Cisco スイッチ VLAN 編 その2 (トランク接続)
トランク接続でVLAN同士の通信を可能にしてみます。
お疲れさまです。ニックネーム たいちょう です。
2017年1月から、GNS3 活用 - Cisco スイッチ VLAN 編を連載しています。
今回は、GNS3 活用 - Cisco スイッチ VLAN 編 その2 (トランク接続)として、以下のようなタスクを実行してみます。
タスク
- 2つのスイッチを配置する。それぞれに VLAN100,200 の端末を収容する。
- 同じ VLAN 同士で接続を確立する。IP アドレスは任意とする。
作業記録です。
Sw1#vlan database
Sw1(vlan)#vlan 100
VLAN 100 added:
Name: VLAN0100
Sw1(vlan)#vlan 200
VLAN 200 added:
Name: VLAN0200
Sw1(vlan)#apply
APPLY completed.
Sw1(vlan)#exit
APPLY completed.
Exiting....
Sw1#
Sw2#vlan database
Sw2(vlan)#vlan 100
VLAN 100 added:
Name: VLAN0100
Sw2(vlan)#vlan 200
VLAN 200 added:
Name: VLAN0200
Sw2(vlan)#apply
APPLY completed.
Sw2(vlan)#exit
APPLY completed.
Exiting....
Sw2#
Sw1(config)#int range fa1/1 -2
Sw1(config-if-range)#switchport mode access
Sw1(config-if-range)#exit
Sw1(config)#int fa1/1
Sw1(config-if)#switchport access vlan 100
Sw1(config-if)#int fa1/2
Sw1(config-if)#switchport access vlan 200
Sw1(config-if)#end
Sw2(config)#int range fa1/1 - 2
Sw2(config-if-range)#switchport mode access
Sw2(config-if-range)#exit
Sw2(config)#int fa1/1
Sw2(config-if)#switchport access vlan 100
Sw2(config-if)#int fa1/2
Sw2(config-if)#switchport access vlan 200
Sw2(config-if)#end
Sw1#sho vlan-switch
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/0, Fa1/3, Fa1/4, Fa1/5
Fa1/6, Fa1/7, Fa1/8, Fa1/9
Fa1/10, Fa1/11, Fa1/12, Fa1/13
Fa1/14, Fa1/15
100 VLAN0100 active Fa1/1
200 VLAN0200 active Fa1/2
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 1002 1003
100 enet 100100 1500 - - - - - 0 0
200 enet 100200 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 1 1003
1003 tr 101003 1500 1005 0 - - srb 1 1002
1004 fdnet 101004 1500 - - 1 ibm - 0 0
1005 trnet 101005 1500 - - 1 ibm - 0 0
Sw2#sho vlan-swi
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa1/0, Fa1/3, Fa1/4, Fa1/5
Fa1/6, Fa1/7, Fa1/8, Fa1/9
Fa1/10, Fa1/11, Fa1/12, Fa1/13
Fa1/14, Fa1/15
100 VLAN0100 active Fa1/1
200 VLAN0200 active Fa1/2
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 1002 1003
100 enet 100100 1500 - - - - - 0 0
200 enet 100200 1500 - - - - - 0 0
1002 fddi 101002 1500 - - - - - 1 1003
1003 tr 101003 1500 1005 0 - - srb 1 1002
1004 fdnet 101004 1500 - - 1 ibm - 0 0
1005 trnet 101005 1500 - - 1 ibm - 0 0
Sw1(config)#int fa1/15
Sw1(config-if)#switchport trunk enc dot
Sw1(config-if)#switchport mode trunk
Sw1(config-if)#switchport trunk allowed vlan 1-2,1002-1005,100,200
Sw1(config-if)#end
Sw1#
Sw2(config)#int fa1/15
Sw2(config-if)#switchport trunk enc dot
Sw2(config-if)#switchport mode trunk
Sw2(config-if)#switchport trunk allowed vlan 1-2,1002-1005,100,200
Sw2(config-if)#end
Sw2#
Sw1#sho ip int bri | begin FastEthernet1/1
FastEthernet1/1 unassigned YES unset up up
FastEthernet1/2 unassigned YES unset up up
Sw1#sho int trun
Port Mode Encapsulation Status Native vlan
Fa1/15 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa1/15 1-2,100,200,1002-1005
Port Vlans allowed and active in management domain
Fa1/15 1,100,200
Port Vlans in spanning tree forwarding state and not pruned
Fa1/15 1,100,200
Sw2#sho ip int bri | begin FastEthernet1/1
FastEthernet1/1 unassigned YES unset up up
FastEthernet1/2 unassigned YES unset up up
Sw2#sho int trunk
Port Mode Encapsulation Status Native vlan
Fa1/15 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa1/15 1-2,100,200,1002-1005
Port Vlans allowed and active in management domain
Fa1/15 1,100,200
Port Vlans in spanning tree forwarding state and not pruned
Fa1/15 1,100,200
PC1> ip 192.168.100.1/24
Checking for duplicate address...
PC1 : 192.168.100.1 255.255.255.0
PC1> show ip
NAME : PC1[1]
IP/MASK : 192.168.100.1/24
GATEWAY : 0.0.0.0
DNS :
MAC : 00:50:79:66:68:00
LPORT : 10002
RHOST:PORT : 127.0.0.1:10003
MTU: : 1500
PC2> ip 192.168.200.1/24
Checking for duplicate address...
PC1 : 192.168.200.1 255.255.255.0
PC2> show ip
NAME : PC2[1]
IP/MASK : 192.168.200.1/24
GATEWAY : 0.0.0.0
DNS :
MAC : 00:50:79:66:68:01
LPORT : 10005
RHOST:PORT : 127.0.0.1:10004
MTU: : 1500
PC3> ip 192.168.100.2/24
Checking for duplicate address...
PC1 : 192.168.100.2 255.255.255.0
PC3> show ip
NAME : PC3[1]
IP/MASK : 192.168.100.2/24
GATEWAY : 0.0.0.0
DNS :
MAC : 00:50:79:66:68:02
LPORT : 10007
RHOST:PORT : 127.0.0.1:10006
MTU: : 1500
PC4> ip 192.168.200.2/24
Checking for duplicate address...
PC1 : 192.168.200.2 255.255.255.0
PC4> show ip
NAME : PC4[1]
IP/MASK : 192.168.200.2/24
GATEWAY : 0.0.0.0
DNS :
MAC : 00:50:79:66:68:03
LPORT : 10008
RHOST:PORT : 127.0.0.1:10009
MTU: : 1500
PC1> ping 192.168.100.2
84 bytes from 192.168.100.2 icmp_seq=1 ttl=64 time=0.120 ms
84 bytes from 192.168.100.2 icmp_seq=2 ttl=64 time=0.180 ms
84 bytes from 192.168.100.2 icmp_seq=3 ttl=64 time=0.165 ms
84 bytes from 192.168.100.2 icmp_seq=4 ttl=64 time=0.222 ms
84 bytes from 192.168.100.2 icmp_seq=5 ttl=64 time=0.204 ms
PC2> ping 192.168.200.2
84 bytes from 192.168.200.2 icmp_seq=1 ttl=64 time=0.101 ms
84 bytes from 192.168.200.2 icmp_seq=2 ttl=64 time=0.164 ms
84 bytes from 192.168.200.2 icmp_seq=3 ttl=64 time=0.222 ms
84 bytes from 192.168.200.2 icmp_seq=4 ttl=64 time=0.168 ms
84 bytes from 192.168.200.2 icmp_seq=5 ttl=64 time=0.210 ms
設定を保存します。
Sw1#wri
Building configuration...
[OK]
Sw2#wri
Building configuration...
[OK]
PC1> save
Saving startup configuration to startup.vpc
. done
PC2> save
Saving startup configuration to startup.vpc
. done
PC3> save
Saving startup configuration to startup.vpc
. done
PC4> save
Saving startup configuration to startup.vpc
. done
お疲れさまです。本日の実験は終了です。
ニックネーム たいちょう でした。次回をお楽しみに。