For ISL, I know they are trying to phase that out. For the exams, they are based on dot1q.....
Even if I had all cisco equipment, I'd try to go with standards because you never know down the road where you may need to use another vendor. I wouldn't use EIGRP if given a choice, I'd go with OSPF or RIPv2. > Date: Thu, 13 Jan 2011 08:18:00 -0500 > From: c...@wpi.edu > To: nanog@nanog.org > Subject: Re: Is Cisco equpiment de facto for you? > > On Wed, Jan 12, 2011 at 11:10:16PM -0800, Scott Weeks wrote: > > To be fair to Cisco and maybe I'm way off here. But it seems they do > > come out with a way to do things first which then become a standard > > that they have to follow. > > > > ISL/DOT1Q > > HSRP/VRRP > > etherchannel/LACP > > Yes, and then they keep their proprietary implementation instead of > phasing it out, and no one migrates to the standard one which leads to > vendor lockin. >