1. Hop count is a rough measure of distance between two hosts.2. Ping generates packets that include a field reserved for the hop count . 3. The TTL field is 8 bits, its only metric is hop count . 4. A hop count of 16 is considered an infinite distance and the route is considered unreachable. 5. Network utilities like ping can be used to determine the hop count to a specific destination. 6. To mitigate temporary loop issues, RBridges forward based on a header with a hop count . 7. Routes having a hop count higher than the maximum will be advertised as unreachable by an EIGRP router. 8. Hop counts are often useful to find faults in a network, or to discover if routing is indeed correct.9. If a router decides not to mark the packet it merely increments the hop count in the overloaded fragment id field. 10. For example, suppose that as before, hop count is used as link cost for all links but A ?
