■
ルータに比べてスイッチは不得意分野です。
理由は触ってないからだと思います。
もっと強化したいということでトポロジーを書いてみました。
といってもCCstudyとほとんど同じです。
まあ、勉強なんで…
あ、ちなみにIEEE802.1Qはフレームにタグを付けてトランクするらしいですが、ISLはフレームをカプセル化しちゃうらしいです。
■S1
S1(config)#vlan 10
S1(config-vlan)#name VLAN_10
S1(config-vlan)#exit
S1(config)#vlan 20
S1(config-vlan)#name VLAN_20
S1(config-vlan)#exit
S1(config)#int fa0/1
S1(config-if)#switchport mode access
S1(config-if)#switchport access vlan 10
S1(config-if)#int fa0/2
S1(config-if)#switchport mode access
S1(config-if)#switchport access vlan 20
S1(config-if)#int fa0/12
S1(config-if)#switchport mode trunk
S1(config-if)#switchport trunk allowed vlan 10,20
S1(config-if)#end
S1#sh int fa0/12 trunk
Port Mode Encapsulation Status Native vlan
Fa0/12 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa0/12 10,20
Port Vlans allowed and active in management domain
Fa0/12 10,20
Port Vlans in spanning tree forwarding state and not pruned
Fa0/12 10,20
S1#sh vlan brief
VLAN Name Status Ports
-
-
-
- -------------------------------- --------- -------------------------------
-
-
1 default active Fa0/3, Fa0/4, Fa0/5, Fa0/6
Fa0/7, Fa0/8, Fa0/9, Fa0/10
Fa0/11, 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 VLAN_10 active Fa0/1
20 VLAN_20 active Fa0/2
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
■S2
S2(config)#vlan 10
S2(config-vlan)#name VLAN_10
S2(config-vlan)#exit
S2(config)#vlan 20
S2(config-vlan)#name VLAN_20
S2(config-vlan)#exit
S2(config)#int fa0/1
S2(config-if)#switchport mode access
S2(config-if)#switchport access vlan 10
S2(config-if)#int fa0/2
S2(config-if)#switchport mode access
S2(config-if)#switchport access vlan 20
S2(config-if)#int fa0/12
S2(config-if)#switchport mode trunk
S2(config-if)#switchport trunk allowed vlan 10,20
S2(config-if)#end
S2#sh int fa0/12 trunk
Port Mode Encapsulation Status Native vlan
Fa0/12 on 802.1q trunking 1
Port Vlans allowed on trunk
Fa0/12 10,20
Port Vlans allowed and active in management domain
Fa0/12 10,20
Port Vlans in spanning tree forwarding state and not pruned
Fa0/12 10,20
S2#sh vlan brief
VLAN Name Status Ports
-
-
-
- -------------------------------- --------- -------------------------------
-
-
1 default active Fa0/3, Fa0/4, Fa0/5, Fa0/6
Fa0/7, Fa0/8, Fa0/9, Fa0/10
Fa0/11, 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 VLAN_10 active Fa0/1
20 VLAN_20 active Fa0/2
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
■192.168.0.100から192.168.0.200にping
C:\Documents and Settings\192.168.0.100>ping 192.168.0.200
Pinging 192.168.0.200 with 32 bytes of data:
Reply from 192.168.0.200: bytes=32 time=1ms TTL=128
Reply from 192.168.0.200: bytes=32 time=1ms TTL=128
Reply from 192.168.0.200: bytes=32 time=1ms TTL=128
Reply from 192.168.0.200: bytes=32 time=1ms TTL=128
Ping statistics for 192.168.0.200:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 1ms, Average = 1ms
