A fellow group-member and I saw this at our place of employment about a year
ago. Indeed, when running EIGRP in large, highly meshed networks with
variable link rates (1.5Mb/s - 6Mb/s in our case) it is often necessary to
audit your traffic patterns and tweek your EIGRP metrics. (Bandwidth, delay,
reliablity, load, MTU). We ended up doing as you did, and modified the
delay metric to solve the issue.
.....can't say I know about any bugs...
cheers,
Lance
>From: Phil Barker <[EMAIL PROTECTED]>
>Reply-To: Phil Barker <[EMAIL PROTECTED]>
>To: cisco GroupStudy <[EMAIL PROTECTED]>
>Subject: Thanks Mr Doyle.
>Date: Fri, 13 Oct 2000 19:56:23 +0100 (BST)
>
>Boy oh Boy. What a week.
>
>Had a 2 Meg WAN link swamped. Everyone complaining.
>Noticed that the preferred route (hopwise) wasn't
>being taken. It was preferring taking about 4 hops
>over another 2 Meg link then HSSI at 6Meg followed by
>two Fast Eth Segs. Protocol is EIGRP.
>
>After banging my head for a while against the door and
>ripping through Doylies book on TCP/IP, I noticed that
>the delay on the HSSI interface was set to 200
>microseconds. Whereas the default for 56K to 45 Meg is
>20000 microsecs. Whipped it over to 20000 and
>survived.
>
>Thanks to Mr Geoff Doyle
>
>Does anyone know of a bug in IOS 11.2(18)P for HSSI
>interfaces setting a 200 microsecond default ?
>
>Is out to TAC anyway, but just wondered.
>
>Regards,
>
>Phil.
>
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