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WOW -- that looks great -- Thank you very very much |
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I will be trying it shortly |
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TIM |
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Timothy A. Holmes |
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IT Manager / Network Admin / Web Master / Computer Teacher |
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|
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Medina Christian Academy |
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A Higher Standard... |
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Jeremiah 33:3 |
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Jeremiah 29:11 |
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Esther 4:14 |
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> -----Original Message----- |
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> From: Heiko Wundram [mailto:me+gentoo-user@×××××××××.org] |
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> Sent: Tuesday, March 14, 2006 12:50 PM |
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> To: gentoo-user@l.g.o |
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> Subject: Re: [gentoo-user] Port Tracer Program Needed |
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> |
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> Am Dienstag, 14. März 2006 18:08 schrieb Timothy A. Holmes: |
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> > Hans -- Thank you, I realize that I can make it blink with network |
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> > traffic, the problem is that basically all the ports on the switches |
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> > have traffic running constantly on them, so I need to find a way to make |
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> > it distinctive enough so it can be picked out from the rest of the |
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> > noise. |
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> |
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> Save the following script as floodping.sh, and try it, you should be able |
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> to |
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> notice the traffic from your regular traffic: |
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> |
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> #!/bin/sh |
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> ifconfig $1 10.0.0.1 netmask 255.255.255.0 broadcast 10.0.0.255 |
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> while true |
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> do |
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> ping -f -w $2 -b 10.0.0.255 |
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> sleep $2 |
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> done |
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> |
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> ./floodping.sh eth0 5 |
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> |
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> would mean that it does five seconds of intensive traffic (which has |
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> packets |
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> going to the switch in the order of <20ms or so, depending on your laptop, |
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> and the lamp should blink very frequently), then does five seconds of data |
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> sleep, which should be almost completely quiet on the switch (except for |
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> that |
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> occasional broadcast packet from another computer directed at yours). |
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> |
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> Be sure to use a network that isn't on your local net for testing, as my |
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> network is 192.*, I've used 10.* in the example. If you use a network |
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> that's |
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> regularily used on your network, you might get problems discerning the |
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> sleep |
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> phase, as the arp address of your laptop propagates to all other endpoints |
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> on |
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> your net due to the use of a regular network, and this might mean a lot of |
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> ARP queries, depending on your network size. |
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> |
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> I've used a technique like this to check the cabling in a building, and it |
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> worked just fine. |
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> |
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> HTH! |
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> |
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> -- |
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> --- Heiko. |
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> |
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> -- |
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> gentoo-user@g.o mailing list |
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-- |
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