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Network Monitoring

 
 
jflash
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      09-01-2007
OK, I feel a little stupid. According to the web-based configuration,
I have the WRT54GL. However, I was checking the label on the router
itself and discovered that the hardware is, in fact, a WRT54G v4. So,
I have since replaced that firmware with DD-WRT, and am trying to
figure out which version of sveasoft to install and I will then
install that.

 
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Mike Easter
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      09-01-2007
jflash wrote:
> OK, I feel a little stupid. According to the web-based configuration,
> I have the WRT54GL. However, I was checking the label on the router
> itself and discovered that the hardware is, in fact, a WRT54G v4. So,
> I have since replaced that firmware with DD-WRT, and am trying to
> figure out which version of sveasoft to install and I will then
> install that.


One of the website links I posted for you earlier sez the 54g v4 = 54gl

http://www.linksysinfo.org/forums/sh...ad.php?t=51900 WRT54GL -- **(same
as WRT54G v4) Those listed belown are known to work with WRT54GL, other
WRT54G firmware may also work, please confirm with project.

--
Mike Easter

 
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jflash
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      09-02-2007
On Sep 1, 6:38 pm, "Mike Easter" <(E-Mail Removed)> wrote:
> One of the website links I posted for you earlier sez the 54g v4 = 54gl
>
> http://www.linksysinfo.org/forums/sh...ad.php?t=51900 WRT54GL -- **(same
> as WRT54G v4) Those listed belown are known to work with WRT54GL, other
> WRT54G firmware may also work, please confirm with project.
>
> --
> Mike Easter


Oh, my apologies. I somehow missed that...

 
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why?
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      09-02-2007

On Sat, 01 Sep 2007 18:27:48 -0000, jflash wrote:

>On Sep 1, 12:06 pm, "Mike Easter" <(E-Mail Removed)> wrote:
>> jflash wrote:
>> > I am looking for a way to monitor network traffic from the entire
>> > network on one computer.

>>
>> Does that mean that you solved the problem of the home built desktop not
>> having LAN access?\
>>
>> Where is the followup on that?
>>
>> --
>> Mike Easter

>
>I thought I had specified WRT54GL initially, and it was simply an
>oversight on my part. And I still haven't resolved the first issue,
>but this is more out of curiosity than anything, although once the
>first issue gets cleared up I will probably implement this if
>possible.
>
>And, why?: Actual traffic, and I was wondering if there was some way
>to work it without buying a repeater.


Almost missed this reply to me as you didn't respond to my post but
someone else.

So you want to see the actual traffic whick looks like 1000's of these,


No. Time Source Destination Protocol
Info
1 0.000000 00:0e:0c:9c:6e:fb ff:ff:ff:ff:ff:ff ARP
Who has 192.168.0.12? Tell 192.168.0.5

Frame 1 (42 bytes on wire, 42 bytes captured)
Ethernet II, Src: 00:0e:0c:9c:6e:fb (00:0e:0c:9c:6e:fb), Dst:
ff:ff:ff:ff:ff:ff (ff:ff:ff:ff:ff:ff)
Address Resolution Protocol (request)

0000 ff ff ff ff ff ff 00 0e 0c 9c 6e fb 08 06 00 01 ..........n.....
0010 08 00 06 04 00 01 00 0e 0c 9c 6e fb c0 a8 00 05 ..........n.....
0020 00 00 00 00 00 00 c0 a8 00 0c ..........
No. Time Source Destination
Protocol Info
2 1.065270 192.168.0.5 192.168.100.1 SNMP
get-request


Frame 2 (103 bytes on wire, 103 bytes captured)
Ethernet II, Src: 00:0e:0c:9c:6e:fb (00:0e:0c:9c:6e:fb), Dst:
00:a0:c5:e4:e9:c4 (00:a0:c5:e4:e9:c4)
Internet Protocol, Src: 192.168.0.5 (192.168.0.5), Dst: 192.168.100.1
(192.168.100.1)
User Datagram Protocol, Src Port: 2044 (2044), Dst Port: 161 (161)
Simple Network Management Protocol

0000 00 a0 c5 e4 e9 c4 00 0e 0c 9c 6e fb 08 00 45 00 ..........n...E.
0010 00 59 a9 6b 00 00 80 11 00 00 c0 a8 00 05 c0 a8 .Y.k............
0020 64 01 07 fc 00 a1 00 45 17 d1 30 3b 02 01 00 04 d......E..0;....
0030 06 70 75 62 6c 69 63 a0 2e 02 04 39 52 25 8b 02 .public....9R%..
0040 01 00 02 01 00 30 20 30 0e 06 0a 2b 06 01 02 01 .....0 0...+....
0050 02 02 01 0a 01 05 00 30 0e 06 0a 2b 06 01 02 01 .......0...+....
0060 02 02 01 10 01 05 00 .......
No. Time Source Destination
Protocol Info
3 1.094094 192.168.100.1 192.168.0.5 SNMP
get-response


As for a repeater oh well, OTOH a Cisco WS-C2960-24TT-L for USD 800 will
let you mirror a port.

What you may really want is something like a freeware / low cost version
of...


If the linkssys software has sFlow/nFlow options then
http://www.ntop.org/
runs on a Linux box for free or pay for the Win version.

http://etherape.sourceforge.net/
Also Linux

Something from Visualware, maybe
www.visualware.com

Network probe,
http://www.objectplanet.com/probe/
there used to be a v1 free download / trial.

If you get the sw for the linksys with syslog running there are several
syslog tools to send the raw data to.

...to monitor then WAN link.

Me
 
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