Dear Priscilla, Thank you for your clear explaination.
May be it is better to disable cdp for low speed link, and security issue. Regards, Lawrence ""Priscilla Oppenheimer"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Cisco Discovery Protocol (CDP) is a managment protocol that allows routers > and switches to tell each other about their IOS version, hardware platform, > and basic config info. Some security experts say to disable it because it > tells too much. > > It has nothing to do with bringing the serial interface up/up. You could use > it or you could not. The two routers on the HDLC link don't have to agree. > One could send CDP while the other doesn't and the link should still come > up/up, assuming everything is OK at the physical and data-link layers. > > It's too bad they used "no cdp enable" in that simple example with no > explanation. I don't think it's the default? So someone had to type it in, > so they should have explained it. > > Priscilla > > > Lawrence Law wrote: > > > > Dear all, > > > > > > From cisco configuration example > > > > > http://www.cisco.com/en/US/tech/tk713/tk317/technologies_configuration_examp > > le09186a00800944ff.shtml > > > > I'm wondering that the line "no cdp enable" is required for > > both router > > in order to make a serial connection up for back-to-back > > connection. > > > > Regards, > > Lawrence Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62798&t=62798 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
