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同一網(wǎng)段下不同vlan間機(jī)器也能互ping的問題 [復(fù)制鏈接]

hyagami

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發(fā)表于 2009-10-27 02:27 |只看該作者 |倒序?yàn)g覽

實(shí)驗(yàn)環(huán)境是Boson NetSim,拓?fù)淙缦?br />
兩臺(tái)交換機(jī)配置相同，fa0/12端口配置為trunk vlan配置為 pc1和pc4連接sw1的fe 0/1和0/2口，pc2和pc3連接sw2的fe 0/1和0/2口

SW1#show vlan

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, Fa0/12
10 10                            active Fa0/1

20 20                            active Fa0/2
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  -    -    -       - -       0    0
10 enet  100010    1500  -    -    -       - -       0    0
20 enet  100020    1500  -    -    -       - -       0    0
1002 fddi  101002    1500  -    -    -       - -       0    0
1003 tr 101003    1500  -    -    -       - -       0    0
1004 fdnet 101004    1500  -    -    -       ieee -       0    0
1005 trnet 101005    1500  -    -    -       ibm  -       0    0

SW1#

四臺(tái)pc ip地址分別為pc1：172.168.10.1 pc2：172.168.10.2 pc3：172.16.10.3 pc4：172.16.10.4
pc1和pc2的ipconfig /all為
pc1

Boson BOSS 5.0 IP Configuration
   Ethernet adapter Local Area Connection:
      Connection-specific DNS Suffix  . : boson.com
      IP Address. . . . . . . . . . . . : 172.16.10.1
      Subnet Mask . . . . . . . . . . . : 255.255.255.0
      Default Gateway . . . . . . . . . : 172.16.1.1

You can also use winipcfg to configure the IP Address

Ethernet adapter Local Area Connection:

         Connection-specific DNS Suffix  . : sbnl.com
Description . . . . . . . . . . . : Realtek RTL8139/810X Family PCI Fast
Ethernet NIC
Physical Address. . . . . . . . . : 000C.9265.6426
DHCP Enabled. . . . . . . . . . . : No

pc2

Boson BOSS 5.0 IP Configuration
   Ethernet adapter Local Area Connection:
      Connection-specific DNS Suffix  . : boson.com
      IP Address. . . . . . . . . . . . : 172.16.10.2
      Subnet Mask . . . . . . . . . . . : 255.255.255.0
      Default Gateway . . . . . . . . . : 172.16.1.1

You can also use winipcfg to configure the IP Address

Ethernet adapter Local Area Connection:

         Connection-specific DNS Suffix  . : sbnl.com
Description . . . . . . . . . . . : Realtek RTL8139/810X Family PCI Fast
Ethernet NIC
Physical Address. . . . . . . . . : 000C.2661.2987
DHCP Enabled. . . . . . . . . . . : No