My pc not pinging certain switches

June 27, 2011 at 03:57:19
Specs: Windows vista, 2 GB RAM
Hi i am connected in domain , My PC not get connected to certain switches in network , I found that Alternate LAN card will support.After replacing another LAN card i can ping all switches . But i want to know why my pc not pinging certain switches connected in network.Even i cleared the port security

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#1
June 27, 2011 at 07:07:00
What is the IP address of your computer and what are the IP addresses of the switches you're trying to ping?

Were you unable to ping all switches, or just some?

From the sounds of it, you've replaced the network interface and it's working. If that's true, you've fixed the issue (bad network interface) and I'd leave things as they are.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
June 27, 2011 at 22:04:44
Hi Curt thanks for your reply,
I am not able ping certain switches only and these switches are inter connected(switchip:10.186.0.26,10.186.0.27.10.186.0.28)
remaining switches i can able to ping (10.186.0.21 to 10.186.0.25 and 10.186.0.29 to 10.186.0.39)

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#3
June 28, 2011 at 07:27:04
You said, "and these switches are inter connected (switchip:10.186.0.26,10.186.0.27.10.186.0.28)

How are the other switches (10.186.0.21 to 10.186.0.25 and 10.186.0.29 to 10.186.0.39) connected to your network? If they're not physically connected to the network, it follows logically that you won't be able to ping them.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#4
June 28, 2011 at 20:20:03
Actually there are different departments in different locations.
So the switches are in different locations but each switch is connected physically to my pc . Switches (10.186.0.26 , 10.186.0.27 , 10.186.0.28) are inter connected due to these switches are in same building (ie,From 10.186.0.26 two inputs are going to 10.186.0.27 and 10.186.0.28 as uplink) remainig also in different location but i can able to ping that

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#5
June 29, 2011 at 07:45:38
If the other switches (10.186.0.21 to 10.186.0.25 and 10.186.0.29 to 10.186.0.39) are in different physical locations, they can't be "connected physically to my pc . "

If the switches in question were indeed connected physically to your PC, you wouldn't be having any problems accessing them.

I do a lot of switch configuration at my desk. When I'm configuring a new switch, pre-deployment, I'm connected to it physically in two ways:
1) Network connection via a patch cable
and
2) Console cable

I know you don't have 12 COM ports to support 12 separate console connections to the switches you mentioned ((10.186.0.21 to 10.186.0.25 and 10.186.0.29 to 10.186.0.39) so are you telling me you have 12 network interfaces on your PC, each with it's own connection to a different switch? This isn't possible considering the 100 m limit for Cat5/5e/6 cabling. If you have physical locations, then they're beyond the reach of a segment of cabling.

I suspect that since these are remote, geographical locations, you do not have actual "physical" connections to the switches. Before I can hope to help you I need to know:

- how are your remote sites connected to your main site?
- are your switches managed switches?
- are you using VLAN tagging?

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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