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Finding the IP address of a Dell 3448P switch

Posted on 2008-06-25
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Last Modified: 2010-07-27
I am trying to find the ip address of our Dell 3448P switches. My overall goal is to monitor bandwidth between our primary location and a secondary location, connected by line of sight dishes. We have IP phones made by Nortel, and some users at the secondary location have been complaining of intermittent static/noise/echo on the line. The ethernet cable goes into the phone, then to the user's computer. I have read that there is a web GUI that should be able to help me with this, but I do not know the ip address of said switches. I have used Dell's network sniffing tool, but it does not detect any of the switches I am trying to access. They were installed before I was hired, but the general consensus in the department is that they were installed right out of the box, with only default settings. I have logged into each switch via HyperTerm, but I am kind of at a loss. I believe I have enabled QOS but cannot be completely sure. I have ran the enable --> configure --> qos. So my first question is, how can I find the ip address of the switch so that I can log into this web GUI I have been reading so much about? My second question is, is there a built-in utility to monotor network traffic and see if we are using all available bandwidth between these two location? Thanks in advance...
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Question by:clarkincit
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Expert Comment

by:Jan Springer
ID: 21867597
Use nmap.  Example:

nmap -sP 192.168.0.0/24

to ping all available IPs on a subnet.  rule out the ones that you know about.

or, get into the console and look at the config.  

it's possible that the switch does not have an IP address.
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Author Comment

by:clarkincit
ID: 21868036
I just go talked to Dell's tech support. Does this make sense?

Me - QOS is an option when connected through hyperterm.
Dell - It's there because it supports passing QoS tagged traffic, but it's not going to make any routing decisions based on it, because QoS is a layer 3 function and this is a layer 2 switch

TIA
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Expert Comment

by:Jan Springer
ID: 21868302
yes, routing is at layer 3.  and yes, it can't make routing decisions.

but, can it set or change QoS tags?
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Author Comment

by:clarkincit
ID: 21868326
I don't really know what you're asking me, but Dell made it sound like the switch could only pass that information along and not modify it at all. I'm waiting to hear back from Nortel, but I'm hoping the IP phones tag data with QOS.
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Accepted Solution

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Jan Springer earned 500 total points
ID: 21868468
If it can't change it and it can't route it (it's only layer 2), then what difference does the QoS setting make?  (question to Dell).
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Author Comment

by:clarkincit
ID: 21878226
Thanks a lot!
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