From: Bajo (bajoalex@gmail.com)
Date: Mon May 30 2005 - 13:17:13 GMT-3
Hi Quetta,
Pls. check http://www.cisco.com/warp/public/473/741_4.html
ISL is a Cisco proprietary protocol for interconnecting multiple
switches and maintaining VLAN information as traffic goes between
switches. ISL provides VLAN trunking capabilities while maintaining
full wire speed performance on Ethernet links in full-duplex or
half-duplex mode. ISL operates in a point-to-point environment and
will support up to 1000 VLANs.
802.1Q is the IEEE standard for tagging frames on a trunk and supports
upto 4096 VLANs.
On 5/29/05, Quetta Walla <quetta_1@lycos.com> wrote:
> Hey,
>
> What are differences between ISL and 801.1q other than the 802.1q header size is smaller. Whats the total number of vlans supported in 802.1q and what is it in ISL?
>
> Thanks
>
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-- Kind Regards,Bajo
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