Chambers: What keeps Cisco competitive?

With all the buzz around Web 2.0, Cisco Systems CEO John Chambers talks about the value of being, essentially, a plumber. At the Gartner Symposium/ITxpo in Lake Buena Vista, Fla., Gartner analysts Tom Bittman and David Willis question Chambers about getting customers to eschew standards in lieu of Cisco's top-to-bottom proprietary stacks.