The company I work at has decided to put printers on separate VLANs to cut down 'broadcasts' I'm a bit perplexed about this: the printers are almost 100% HP Jetdirect many using DHCP settings. I would assume that the only time a broadcast would occur would be when renewing an IP lease. Other protocols are swiched off (IPX etc)
Comments appreciated---does this make sense? Is the added support overhead worth it? The switches are 6500 series Cisco
In my experience, you get more traffic to the printers from the SNMP polling that hosts do in order to check active jobs, whether the printer is out of paper, and so on. That -seems- to be integrated into the print driver.
I have seen some broadcasts from HP printers, but nothing worth paying attention to compared to regular netbios broadcasts from everything else.
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