08-11-2012 03:43 AM
Can some one please answer the following questions.
1-why do ospf operates using a separate protocol 89 why didn't it uses tcp/udp for its operation like BGP or LDP.
2-ISIS operates at layer 2 then why do we call it a routing protocol.
3-Why inherent security does ISIS gets by operating at layer 2 of the network.If an IP packet can be crafted then a layer 2 frame can be crafted too in order to generate attacks.
4-What is the differnce between the routing and routed protocol.Does BGP fits the example.
5-What does it really mean when we write TCP/IP what does it refers when we write it like this.
Thanks & Regards
08-17-2012 08:06 AM
I'll take a stab at a few of these.
08-17-2012 01:01 PM
I would like to add for question four that a Routing Protocol is the protocol that specifies how routers communicate with each other. Border Gateway Protocol is indeed a Routing Protocol.
A Routed Protocol is when data get's passed from one place to another, TCP/IP is an example or Appletalk.