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Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?
Both the ISL _and_ the Dotq headers are stripped off at the trunk interface so they _both_ change the packet size but neither alters the payload. Scott C. McGrath On Mon, 26 Jan 2004 email@example.com wrote: > > > ISL _DOES NOT CHANGE_ packet size. > > An 802.1q tag adds 4 bytes to the Ethernet frame. > > ISL encapsulation adds 30 bytes to the Ethernet frame. > > Steinar Haug, Nethelp consulting, firstname.lastname@example.org >