Neighbor Discovery

• ICMP message types:

  • - router solicitation - router advertisement
  • - neighbor solicitation - neighbor advertisement
  • - redirect

• functions performed:

  • - router discovery
  • - prefix discovery
  • - autoconfiguration of address & other parameters
  • - duplicate address detection (DAD)
  • - neighbor unreachability detection (NUD)
  • - link-layer address resolution
  • - first-hop redirect

Notes: