There could be issues with the 50% rule with Frame Relay circuits where the CIR is much lower than the interface bandwidth. In a hub and spoke arrangement if the hub decides to use 50% of its bandwidth for updates then it would saturate the lower bandwidth links. There is a command "ip bandwidth-percent eigrp" to tune usage. See "EIGRP Network Design Solutions" by Ivan Pepelnjak (Cisco Press) for details.
> -----Original Message----- > From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 27, 2003 11:07 PM > To: [EMAIL PROTECTED] > Subject: RE: simply Dout [7:66362] > > > =?iso-8859-1?q?Vijay=20Anand?= wrote: > > > > hello friends, > > > > by default,EIGRP use 50% of its bandwidth,,i got a dout that > > this 50% is using for data transfer or EIGRP update transfer? > > By default, EIGRP will use no more than 50% of the bandwidth of an > interface. This is for EIGRP packets themselves, not for the > forwarding of > user data, which EIGRP wouldn't handle anyway. (It's a > routing protocol, not > a routed protocol). > > I think this must be a legacy feature for using EIGRP on low-bandwidth > links. These days something would really be wrong if EIGRP > approached 50% of > the bandwidth on a typical interface. > > > > > i guess its for EIGRP update Transfer,isn't it ? > > > > and what is the size of a routing table,if it contain 2 routes? > > EIGRP resides on a typical 20-byte IP header. The EIGRP > header is 20 bytes > and includes a version, an opcode (to identify type of packet, such as > Update), AS, and a few other things. > > Each route is about 26-30 bytes. It depends on the prefix length. > Priscilla Oppenheimer > www.troubleshootingnetworks.com > www.priscilla.com > > > > > > thanx a lot > > > > VijayAnand C.D, CCNP Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=66379&t=66362 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

