The EIGRP bandwidth metric is 2.56 billion divided by the real bandwidth. That's just how Cisco does it (and how Sniffer displays it). In this case, the bandwidth metric is 1657856, as the Sniffer reports. The network is reachable via a single, ordinary 1544 Kbps serial interface. Do the math. ;-)
Priscilla At 10:00 PM 2/20/02, Chuck wrote: >I'm curious about the EIGRP bandwidth being reported at 2.5 billion bps. >what kind of a network you running there, PO? ;-> > >see below: > > >""Priscilla Oppenheimer"" wrote in message >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > At 07:03 PM 2/20/02, Steven A. Ridder wrote: > > >It's not in a packet that gets sent. > > > > It is actually. Here's a packet for you: > > > > DLC: ----- DLC Header ----- > > DLC: Destination = Station Cisco1053E80 > > DLC: Source = Station Cisco1002E75 > > DLC: Ethertype = 0800 (IP) > > IP: ----- IP Header ----- > > IP: Version = 4, header length = 20 bytes > > IP: Type of service = 00 > > IP: 000. .... = routine > > IP: ...0 .... = normal delay > > IP: .... 0... = normal throughput > > IP: .... .0.. = normal reliability > > IP: Total length = 68 bytes > > IP: Identification = 0 > > IP: Flags = 0X > > IP: .0.. .... = may fragment > > IP: ..0. .... = last fragment > > IP: Fragment offset = 0 bytes > > IP: Time to live = 2 seconds/hops > > IP: Protocol = 88 (EIGRP) > > IP: Header checksum = 4C3F (correct) > > IP: Source address = [172.16.10.2] Charlotte > > IP: Destination address = [172.16.10.1] Albany > > IP: No options > > EIGRP: ----- Enhanced IGRP Header ----- > > EIGRP: > > EIGRP: Version = 2 > > EIGRP: Opcode = 1 (Update) > > EIGRP: EIGRP Checksum = E17D (correct) > > EIGRP: Flags (unused) = 0000 > > EIGRP: Flags = 0001 > > EIGRP: .... .... .... ..0. = Conditionally receive mode is not > > required > > EIGRP: .... .... .... ...1 = Is an initial update packet > > EIGRP: Sequence number = 1 > > EIGRP: Acknowledgment number = 0 > > EIGRP: Autonomous System number = 100 > > EIGRP: > > EIGRP: Protocol ID = 0x01 (IP) > > EIGRP: Type Code = 0x0102 (IP Internal Routes) > > EIGRP: Field length = 28 > > EIGRP: Next hop address = 0 (use source IP addr) > > > EIGRP: Time delay (10 msec/256) = >512000 EIGRP: Path bandwidth (2,560,000,000/kbps) = 1657856 > EIGRP: Min/max transmission unit (MTU) = 1500 > > EIGRP: Hop count = 0 > > EIGRP: Reliability (error percentage) = 250 > > EIGRP: Load utilization percentage = 1 > > EIGRP: Reserved > > EIGRP: Prefix length in bits = 24 > > EIGRP: IP Destination Address = 0.172.16.40 > > > > Priscilla > > > > > > > > >""Sasa Milic"" wrote in message > > >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > > The router DOES pass total delay and minumum bandwidth of the route > > > > to neighbors. > > > > > > > > check "show ip eigrp topologu > > > > > > > > Sasa > > > > CCIE No 8635 > > > > > > > > > > > > > > > > "Steven A. Ridder" wrote: > > > > > > > > > > I believe the delay is by default set on the interface by the router > > >based > > > > > on the type of link it is. I'm sure there's charts on CCO >somewhere. > > >You > > > > > can change this info on the interface with the delay command, which >is > > >the > > > > > recommended way of changing a metric if you are forced to do so. >The > > > > router > > > > > dosen't pass the delay info of a link to other routers as a raw >figure, > > >it > > > > > calculates the BW and delay, then multiplies it by 256 and sends >that > > > > > calculation to a neighbor, which is the metric. > > > > > > > > > > ""Yatou Wu"" wrote in message > > > > > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > > > > > Hi, > > > > > > > > > > > > In EIGRP, the delay metric is taken as configured in the interface >of > > >the > > > > > > router by the administrator, by default, or by measurement? > > > > > > > > > > > > when the router calculates the metric, it needs to know the >minimum > > > > > > bandwidth along the path, and also the delay along the path. how >can > > >the > > > > > > router pass the infor around? pass the total delay along the path, >or > > > > > delay > > > > > > of every link? > > > > > > > > > > > > thanks > > > > > > > > > > > > yatou > > > > > > > > > > > > _________________________________________________________________ > > > > > > Get your FREE download of MSN Explorer at > > > > > http://explorer.msn.com/intl.asp. > > ________________________ > > > > Priscilla Oppenheimer > > http://www.priscilla.com ________________________ Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=36114&t=36001 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
