Thanks. On Monday I'll clear the counters and write that stuff down. We're
doing layer 2 switching with fast ethernet to all the closets and about
half/half to the desktops (10/100). There's mostly switches in the closets
but we do have some hubs as well.
We have Spectrum and I'm still learning it but I did just figure out how to
take reports with it before I left on Friday. I should now be able to see
where most of the traffic is coming/going. Thanks for your help. I'll post
back the info I get next week.
Jeff
""Chuck Larrieu"" <[EMAIL PROTECTED]> wrote in message
002401bfe2fc$e77f9f80$[EMAIL PROTECTED]">news:002401bfe2fc$e77f9f80$[EMAIL PROTECTED]...
> Well, of course, the real question is over what period of time is all this
> happening?
>
> First thing - your readout states:
>
> "Last clearing of "show interface" counters never"
>
> if the routers have been up for five years, this may not really be a
> problem. :->
>
> So you might want to do a "clear counters" then check every hour or two
> during the day and write down the numbers you see.
>
> If your organization can afford it, something like a lan meter ( Fluke
makes
> a good one. There are others I'm sure ) or better yet, a protocol analyzer
> can help you monitor, compile, and graph lan conditions.
>
> Also, you don't mention is you are hubbed, bridged, switched, or some
> combination of the above.
>
> Your internet router - you really have 1500 or so users? All hitting the
> net? All listen to live radio or broadcast.com? something to keep in mind.
> This router, a funnel point, may indeed be showing you that 1) it should
be
> full duplex and 2) you need more bandwitdth to your ISP
>
> HTH
>
> Chuck
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Jeff
> Duchin
> Sent: Friday, June 30, 2000 11:39 AM
> To: [EMAIL PROTECTED]
> Subject: collisions, broadcasts, etc.
>
> Greetings. Here's the boat I'm in... I'm new here and what we have is a
flat
> network with 7 Class C subnets. We have a Windows/MAC mixed environment.
All
> the PC's point to themselves for their Default Gateway (?) and the MAC's
are
> using a 7206 router so they can talk across the 2 domains we have
> (student/staff). I was looking at the interfaces and noticed what looked
to
> be like WAY too many collisions going on. Could someone please give me
some
> basics about the following show int command I'm posting?
>
> Ethernet4/0 is up, line protocol is up
> Hardware is AmdP2, address is 0010.543e.c420 (bia 0010.543e.c420)
> Internet address is --.--.--.254/24
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 21/255
> Encapsulation ARPA, loopback not set, keepalive set (10 sec)
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:00, output 00:00:00, output hang never
> Last clearing of "show interface" counters never
> Queueing strategy: fifo
> Output queue 0/40, 1157 drops; input queue 0/75, 386 drops
> 5 minute input rate 250000 bits/sec, 161 packets/sec
> 5 minute output rate 838000 bits/sec, 161 packets/sec
> 115967108 packets input, 273292174 bytes, 0 no buffer
> Received 8605468 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 0 input packets with dribble condition detected
> 127539144 packets output, 2111505262 bytes, 0 underruns
> 65699 output errors, 11844662 collisions, 1 interface resets
> 0 babbles, 0 late collision, 3187621 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
> ...this one connects to the firewall which then goes to a 2610 and out to
> our ISP:
>
> Ethernet4/1 is up, line protocol is up
> Hardware is AmdP2, address is 0010.543e.c421 (bia 0010.543e.c421)
> Internet address is --.--.--.--/29
> MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 8/255
> Encapsulation ARPA, loopback not set, keepalive set (10 sec)
> ARP type: ARPA, ARP Timeout 04:00:00
> Last input 00:00:01, output 00:00:00, output hang never
> Last clearing of "show interface" counters never
> Queueing strategy: fifo
> Output queue 0/40, 0 drops; input queue 0/75, 4 drops
> 5 minute input rate 790000 bits/sec, 138 packets/sec
> 5 minute output rate 327000 bits/sec, 139 packets/sec
> 118927484 packets input, 1484556823 bytes, 0 no buffer
> Received 3781 broadcasts, 0 runts, 0 giants, 0 throttles
> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 0 input packets with dribble condition detected
> 99391467 packets output, 2861528053 bytes, 0 underruns
> 0 output errors, 3113576 collisions, 1 interface resets
> 0 babbles, 0 late collision, 1769674 deferred
> 0 lost carrier, 0 no carrier
> 0 output buffer failures, 0 output buffers swapped out
>
>
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