[mrtg] Re: Total switch bandwidth

[Andres Tong]

     When you want the entire bandwidth usage for the whole switch, you may 
     want to look at the VLAN1 bandwidth, that is your aggregate. You only 
     want to add individual ports when you are interested in certain ports: 
     a good reason is when you etherchannel (bond) 4 ports. MRTG will give 
     you the VLAN1 aggregate. 
     
     You only query the switch once (as per 5 min intervals).
     
     Regards,
     Andres Tong
     Network Analyst
     Judicial Council of California
     


______________________________ Reply Separator _________________________________
Subject: [mrtg] Re: Total switch bandwidth
Author:  flec at shellnet.co.uk at Internet
Date:    10/6/99 3:46 PM


> Target[total2924]: 1:public at swtichIP + 2:public at swtichIP +
>                        3:public at swtichIP + 4:public at swtichIP + 
>                        5:public at swtichIP + 6:public at swtichIP + 
>                        7:public at swtichIP + 8:public at swtichIP + 
>                        9:public at swtichIP + 10:public at swtichIP +
     
Thanks for that... it helps a lot... but:
     
My guess is that that's going to query each port via SNMP again, isn't it? On 
the 2820 (running firmware 5.37) I can go to "Usage Summaries" -> "Bandwidth 
Usage Report" to bring up the total switch bandwidth. Can't this be brought up 
via single SNMP query?
     
I can't find this on the 2924 yet (it's running the IOS version) but no doubt 
it's hidden there somewhere.
     
Thanks a bunch anyway;
     
Steven Fletcher
flec at flec.co.uk
     
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