Distance Vector Routing Protocol

Distance Vector Routing Protocol Feature: 

•  Distance Vector (DV) Routing Protocols exchange entire routing table at specific (30 Second) intervals
•  Distance Vector (DV) Routing Protocol is easy to configure
•  Distance Vector (DV) Protocol has looping issues

 Distance Vector Routing Protocol Loop Prevention mechanism:

 Cisco routers have 5 loop prevention mechanisms to prevent loop issue 

•  Maximum hope count – with rip max 16 hops
•  Router Poisoning – with rip, manually set 16 hops to kill route.
• Triggered Update – trigger update send about any change
•  Split Horizon – do not sent update, back in the same direction you receive them on network set are being advertise
•  Hold Down Timer – set hold down timer, Cisco default hold down time is 180 seconds