Re: Single ICMP 'echo' requests

From: Neil MacMurchy (neilmcse_at_hotmail.com)
Date: 03/14/04


Date: Sun, 14 Mar 2004 14:59:39 -0500

No problem. I'm never surprise by the things that hide in plain view :)

<anonymous@discussions.microsoft.com> wrote in message
news:d0f501c409f1$5b927630$a101280a@phx.gbl...
> Dan,
>
> In the words of the immortal Homer Simpson "D'oh!"
>
> As usual the most simple thing is always the last thing
> you check!
>
> Thanks Neil.
>
> Dan. MCP
>
> >-----Original Message-----
> >ping 127.0.0.1 -n 1
> >
> >this will do it. you can control other settings for
> ping. have a look at the
> >help file for it (ping /?)
> >--
> >Neil MacMurchy
> >A+, Net+, Server+, MCP, MCP+I, MCSA (x2), MSCE (x4),
> MCSE+I, MCDBA,
> >MCT...and more
> >
> >"Dan" <anonymous@discussions.microsoft.com> wrote in
> message
> >news:b9f201c40820$be810a40$a501280a@phx.gbl...
> >> Hey guys, I'm kinda hoping that one of you might be
> able
> >> to give me a little guidance here.
> >>
> >> Is it possible to get a client to sent a single ICMP
> echo
> >> request? I dont't mean 'ping' because this sends
> four, I
> >> just need to know if the ability is there to request a
> >> single one from a client.
> >>
> >> I'll explain why:
> >>
> >> My company is running a Terminal Services network over
> a
> >> wireless LAN. The access points of the WLAN are setup
> up
> >> to flush their routing tables every five minutes or so,
> >> this is due to the nature of the network. We are
> >> operating it on a container terminal and there are an
> >> awful lot of clients using the access points so to
> flush
> >> the table keeps things kind of clean and simple to
> >> diagnose.
> >> The problem is that , when the clients are moving
> between
> >> access points, because their MAC addresses aren't in
> the
> >> routing table for the WAP, any requests being sent to a
> >> Terminal Services client that has gone into suspend are
> >> being rejected. As soon as the client is used again, it
> >> sends it's signals to the access point which updates
> the
> >> routing table and, voila, we have life! We were
> >> wondering if there was a way we could get the Terminal
> >> Services client to periodically send a single ICMP echo
> >> request to the Terminal Services server so that the
> >> access points will pick them up, update their routing
> >> tables and allow continuous communication? Obviously
> we
> >> can't use ping because of the bandwidth issues of forty
> >> or more clients sending pings every four minutes.
> >>
> >> Anybody?
> >>
> >> Dan MCP
> >
> >
> >.
> >