One 3750 with 2 VLANs, cannot ping each other. ??

Answered Question
Nov 4th, 2008
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Hi All,

did the following:

Switch(config)# ip routing


Switch(config)# vlan 2

Switch(config-vlan)# name vlan2


Switch(config)# vlan 3

Switch(config-vlan)# name vlan3


Switch(config)# int vlan 2

Switch(config-if)# ip address 192.168.2.1 255.255.250.0

Switch(config-if)# no shut


Switch(config)# int vlan 3

Switch(config-if)# ip address 192.168.3.1 255.255.250.0

Switch(config-if)# no shut


Switch(config)#int range fa1/0/7 - 12

Switch(config-if-range)#switchport access vlan 2

Switch(config-if-range)#switchport mode access


Switch(config)#int range fa1/0/13 - 18

Switch(config-if-range)#switchport access vlan 3

Switch(config-if-range)#switchport mode access


Plug one device to one of the vlan 2 port, and another to one of the vlan 3 port.

Client in vlan 2 can ping 192.168.2.1 (gateway of vlan 2), and 192.168.2.101 (itself), and 192.168.3.1 (gateway of vlan 3) from Windows platform. But cannot ping 192.168.3.101 (device in VLAN 3).

Client in VLAN2 can ping 192.168.2.1 and 192.168.3.1 on Switch Console (HyperTerminal), but cannot ping itself (192.168.2.101) and client in vlan 3 (192.168.3.101).


Can adnybody share a light about what is going on, and how to fix it?

TIA

Mark

Correct Answer by glen.grant about 8 years 6 months ago

You sure you have the client firewalls turned off ? If turned on it will reject ping response. Make sure default gateway is set in nic cards .

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Correct Answer
glen.grant Tue, 11/04/2008 - 17:50
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You sure you have the client firewalls turned off ? If turned on it will reject ping response. Make sure default gateway is set in nic cards .

markxgzhang Tue, 11/04/2008 - 18:19
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thank you very much Glen, it is firewall issue. and it is ok now.

Thanks again.

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