Chapter 17. Miscellaneous Tips

   Use loopback interfaces for peering
    Where to use public address and where to use private
    Return 192.x.x.x addresses
    Establish an off-site DNS
    Where do you want to stop traffic that you have no route to?
      Consider TCP vs UDP
      Tossing it might be better than flapping
    Prefixes that should be tossed at every AS boundary
    Should BGP multi-hop be addressed anywhere in this book?
    Configure NTP on routers
    Configure logging
    Service Nagle
    Other advice from cisco?
    Add new name for HSRP
    Note difference between link failing  by dropping CD and link
    failing by leaving CD up but just not passing data