Hi, Any one know how to interpret RIF based on different network topology: SRB, RSRM, DLsw+ ? Is there a better way? Andy -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Fred Ingham Sent: Thursday, April 26, 2001 12:19 PM To: [EMAIL PROTECTED] Subject: Re: Test is in 2 hours and I'm having difficulties with RIF [7:2040] Sure hope he didn't believe your answer. 8 is correct - the total number of bytes in the RIF. Fred. Wilbo Waggins wrote: > > I believe that the 8 bytes is wrong. An RD is 12 bits for the ring, and 4 > bits for the bridge number. This is 16 bits which is 2 bytes. 2 bytes for > each ring, bridge combination or RD. It has to be 6. > > No wonder why the CCIE exam is such a pain in the butt. The documentation > and learning material stinks. > > ""Michael Bambic"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > I'm having an issue with several different view on RIF decoding. > > > > One place says this: > > If I have a RIF of > > 0610 00A1 00B2 00C0 > > This is valid because in binary the RC fields say: > > 000 00110 0 001 0000 > > Which means: > > RC = 6 bytes of information which equates to 3 Ring/Bridge combo's read > from > > left to right and a length of 1500 > > RD = Ring 10 to Bridge 1 to Ring 11 to Bridge 2 to Ring 12 to Bridge 0 > which > > is always the last bridge > > > > Another place says this: > > If I have a RIF of > > 0810 00A1 00B2 00C3 > > RC fields say: > > 000 01000 0 001 0000 > > RC = 8 bytes of information which equates to 3 Ring/Bridge combo's read > from > > left to right with a length of 1500 > > RD = Ring 10 to Bridge 1 to Ring 11 to Bridge 2 to Ring 12 to Bridge 0 > which > > is always the last bridge > > > > WHICH IS CORRECT? > > 8 bytes = 3 ring/bridge combo's or > > 6 byes = 3 ring/bridge combo's > > > > If I look at the RD it is 6 byes which makes me believe the first example > is > > correct, however at http://www.cisco.com/warp/public/100/46.html and the > > CCIEprep token ring it shows the 8 bytes = 3 ring/bridge combo's. > > > > I understand everything else but I will miss every RIF decode question if > I > > don't figure this out. > > Thanks! > > Mike Bambic > > Lead Mentor > > Phoenix Branch > > 602-955-5888 > > Cisco Regional Business Development Manager > > TechSkills > > www.techskills.com > > [EMAIL PROTECTED] > > > > [GroupStudy.com removed an attachment of type application/ms-tnef which > had > > a name of winmail.dat] > > FAQ, list archives, and subscription info: > http://www.groupstudy.com/list/cisco.html > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=2069&t=2069 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
