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1. first tell me link stat, hyberid and distnce vector routing protocols (just name)2. secondly tell me ICMP used for messaging service or for what, give a brief detail of its function? 3. Radius and L2f use whhich port?reply soon plese i m waiting ...
1. what is the default authentication protocol for GRE?what other are supported ?2. Is authentication must be first performed for authorization in AAA3. the feature of Kerberors that is not supported by Raius or Tacas+ is ?des for telnet or single lo...