Re: ICMP Questions

Thanks Robert,

I shall look at the links you mentioned.

What would happen if you have following setup.

Workstation (a) --->SW1------>R1 -----> Sw2------>R2---->SW3----> R3--->
SW4----> Workstation (b). If the link is broken at R2----->SW3. When you ping
workstation b from a, what reply message should you get back.

I think "Reply from [router interface IP address] - Destination host
unreachable". Is this correct?

I do not have any routers and they cost too!!!

Many thanks for your reply.

Regards,
Sultan

"Robert L [MS-MVP]" wrote:

> These links may help
>
> routing issues on vpn
> TTL expired in transit and Destination host unreachable ... From the server, you
> receive "Destination host unreachable" when ping outside IP. ...
> www.chicagotech.net/routingissuesonvpn.htm
>
> troubleshooting ping issues
> Host is unreachable Ping lists a public IP instead of private IP ... Reply from
> 209.165.105.129: Destination net unreachable. ...
> www.chicagotech.net/troubleshootingping.htm
>
> routing issues on vpn
> TTL expired in transit and Destination host unreachable ... You receive Time out
> or "Reply from xxxx: TTL expired in transit" when ping the server from ....
> www.chicagotech.net/routingissuesonvpn.htm
>
> troubleshooting ping issues
> Hardware Error Host is unreachable Ping lists a public IP instead of private IP
> Receiving a reply from a different IP TTL expired in transit ...
> www.chicagotech.net/troubleshootingping.htm
>
>
> Bob Lin, MS-MVP, MCSE & CNE
> Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
> How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
>
> "Bob I" <birelan@xxxxxxxxx> wrote in message news:uqu%23wCc9FHA.2696@xxxxxxxxxxxxxxxxxxxxxxx
> Homework?
>
> Shakey wrote:
>
> > Hi, when you ping a remote host, if following message received, what they
> > mean and what may be the causes or problems?
> >
> > "Requested timed out"
> > "Destination host unreachable"
> > "Reply from w.x.y.z - Destination host unreachable"
> > "Reply from w.x.y.z - TTL expired in transit"
> >
> > Many thanks
> > Sultan
> >
>
.

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