+/**\r
+ Find a route cache with the dst and src. This is used by ICMP\r
+ redirect messasge process. All kinds of redirect is treated as\r
+ host redirect according to RFC1122. So, only route cache entries\r
+ are modified according to the ICMP redirect message.\r
+\r
+ @param[in] RtTable The route table to search the cache for\r
+ @param[in] Dest The destination address\r
+ @param[in] Src The source address\r
+\r
+ @return NULL if no route entry to the (Dest, Src). Otherwise the point\r
+ to the correct route cache entry.\r
+\r
+**/\r