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Can not ping device in VLAN

Posted on 2008-11-19
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Last Modified: 2012-05-05
I can not ping a computer that I've connected to VLAN10 on a 3560 switch I've just setup. I've setup a 3560 switch connecting to a 3550 switch as follows:

(Building A - 3560)
interface GigabitEthernet0/1
 description Uplink to Building B
 no switchport
 ip address 10.224.0.2 255.255.255.0

interface Vlan10
 description MANAGEMENT VLAN
 ip address 10.224.1.1 255.255.255.0

 ip route 0.0.0.0 0.0.0.0 10.224.0.1


(Building B - 3550)
interface GigabitEthernet0/4
 description Uplink to Building A
 no switchport
 ip address 10.224.0.1 255.255.255.0
 ip route-cache flow

 ip route 10.224.0.0 255.255.0.0 10.224.0.2


              I can ping the vlan interface 10.224.1.1 from Building B - 3550, but I can not ping the computer I have connected on fa 0/1 on Building A - 3560. Here is how I have the interface configured.

interface FastEthernet0/1
 switchport access vlan 10
 spanning-tree portfast


I have the computer setup with a static ip address

10.224.1.20
255.255.255.0
10.224.1.1

I can ping the vlan interface from the computer. But I can not ping anything in Building B - 3550.
Can anyone point me toward a solution?


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Question by:crsrvn
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5 Comments
 

Author Comment

by:crsrvn
ID: 23001267
I can ping the default gateway from the computer (10.224.1.1). But I can not ping the computer from the default gateway.
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LVL 4

Expert Comment

by:th3w01f
ID: 23001822
I don't see any reason why this shouldn't be working; do you have a second PC you can put on another port on VLAN 10 and test connectivity between the systems?

If you look at the ARP cache on the PC and the switch does it show the right MAC addresses?
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Author Comment

by:crsrvn
ID: 23003780
I have some meetings this morning, and will check as soon as I can.
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Author Comment

by:crsrvn
ID: 23008730
The arp cache on the  switch shows the correct MAC addresses.  I have also set up another computer on the same vlan 10 and gave it an address 10.224.1.21 and it can not ping the 10.224.1.20 computer.

Scenario:
Computer A and B are  on same VLAN 10
Computer A (10.224.1.20) can ping everything.
Computer B (10.224.1.21) can ping everything except Computer A (10.224.1.20)
Everything can not ping 10.224.1.20
Everything can ping 10.224.1.21

It looks like something is wrong with my Computer A, because everything seems to be working right on Computer B.  WEIRD!!!!!
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Accepted Solution

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th3w01f earned 2000 total points
ID: 23008767
Is there a FW running on computer A?

If not I'd try swapping ports and cables between A & B and if it follows Computer A it has to be someting on the PC.  At that point I'd load Wireshard and take a capture on Computer A to see exactly what the PC is seeing.
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