The hub wants to die. It is time. Let it go. There is nothing you can do
to save it. Bid farewell and have it cremated in a burning pile of 5 1/4"
floppies.
----- Original Message -----
From: "Ole Drews Jensen"
To:
Sent: Thursday, September 13, 2001 2:22 PM
Subject: RE: The hub from hell... [7:19818]
> Do you think it would help flushing the hub with saltwater ???
>
> :-)
>
> Thanks,
>
> Ole
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> http://www.RouterChief.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NEED A JOB ???
> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> -----Original Message-----
> From: Steve Smith [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 13, 2001 2:00 PM
> To: Ole Drews Jensen; [EMAIL PROTECTED]
> Subject: RE: The hub from hell... [7:19818]
>
>
> Hey Ole, saw this exact same thing with a 3Com hub at a client. I took
> out there existing router, replaced it with a 1720, and bam, nothing.
> Set the Fast E0 to Half 10 some ports started working, swapped out the
> hub with a netgear hub, everything worked. Changed the FastE0 to 100 /
> half and all was fine. Put the 3Com in a few weeks later for grins and
> giggles, blam, work great. WEIRD!
>
> Steve
>
> -----Original Message-----
> From: Ole Drews Jensen [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 13, 2001 1:30 PM
> To: [EMAIL PROTECTED]
> Subject: The hub from hell... [7:19818]
>
>
> This might be slightly off topic, but I would like to get an answer if
> someone has one.
>
> Task:
>
> To change a remote office from an ISDN connection to a Frame Relay
> connection.
>
> Before:
>
> Workstations and printers were connected to a 3COM hub that was
> connected to
> a 700 series ISDN router that was directly connected to another 700
> series
> router which was connected to our LAN.
>
> Everything was working fine, but slow.
>
> Goal:
>
> Workstations and printers connect to a 3COM hub that connects to a 1720
> router that has a Frame Relay PVC to a 2620 router that connects to our
> LAN.
>
> Steps:
>
> I connected the 1720 router to the smartjack and connected it to one
> workstation with a crossed cable to from the FastEthernet interface.
>
> I telnettet into the router and got everything up. I could see the
> active
> PVC and all was well.
>
> I rebooted the PC and got an IP address (plus more) from the DHCP server
> at
> the main office, and logged on to the network without any problems.
>
> The problem began after I got the workstations and printers shut down,
> unplugged the 700 series router from the hub, and connected the 1720
> instead.
>
> I could not login to the network anymore, and I could not ping, tracert
> or
> telnet into anything on the LAN. However, I could telnet to the 1720
> router,
> and from there ping, tracert and telnet to the rest of the LAN.
>
> This was weird, because I knew that the hub worked when connected to the
> ISDN router, and I knew that the 1720 router could see the LAN, and I
> also
> knew that it worked with a crossed cable instead of the hub.
>
> I finally got a hold of a LinkSys switch which I connected instead of
> the
> hub, and now everything worked fine.
>
> ?????????
>
> Now, what could cause a hub to allow all communication through a port
> connected to an ISDN router but not a 1720 router, when they both work
> with
> a crossed cable and a switch?
>
> I did by the way also clear the arp cache on all my devices on the
> network,
> even though the problem didn't really point in that direction.
>
> Anyone has a clue what's going on, or is it something personal that the
> hub
> hates the 1720?
>
> Thanks,
>
> Ole
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> http://www.RouterChief.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NEED A JOB ???
> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=19836&t=19818
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