Tuesday, June 23, 2009

CCNA 3.2 Variable Length Subnet Masks (VLSMs)

  • VLSM networking takes one network and create many networks using subnet masks of different lengths on different types of network designs
  • Router in classful routing assumes all interfaces within the classful address space have the same subnet mask (RIP & IGRP)
  • Router in classless routing supports the advertisement of subnet information (RIPv2, EIGRP, OSPF)

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