A method and apparatus to search for routing information is described. According
to an embodiment, a technique is described to search for routing information that
uses a first technique on at least a portion of a first section of an address and
a second technique on at least a portion of a second section of an address. In
one embodiment, a best-match technique, such as a Longest Prefix Match technique,
is used on at least a portion of a topology section of an address, and an exact-match
technique is used on a portion of an interface ID of the address.