Network parameters per Cisco CCDA design associate training manual:

max usage 40% on the LAN
max 70% on the WAN
response time <100ms
< 20% broadcast/multicast traffic
<1 CRC per million bytes
<.1% packet collision
<75% CPU utilization on the router
ignored packets <10/hr on cisco Router interface
Buffer misses <25 /hr

 

Hope this helps.

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of joans4nz
Sent: Monday, February 18, 2008 2:44 PM
To: wireshark-users@wireshark.org
Subject: [Wireshark-users] High broadcast traffic

 

Hi,

I'm a network administrator in my new job and when I ran Wireshark I saw
to much ARP traffic level and Ntop show 86% broadcast traffic to.

There are DHCP server and 350 Windows stations. My boss dont know
nothing about networks and I propose to my boss buy a layer 3 switch and
create vlans to reduce the broadcast traffic levels, but my boss ask
what must be the normal levels of broadcast traffic in the LAN network.
I have search in google and I can't find a good response to that
question, I feel bad without a good answer and reference.

Could any in the list help me please?

Thanks for your time and excuse my english.

joans4nz.

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