- A virtual community of network engineers
 Home  BookStore  StudyNotes  Links  Archives  StudyRooms  HelpWanted  Discounts  Login
RE: OSPF unequal cost load balancing posted 05/23/2001
[Chronological Index] [Thread Index] [Top] [Date Prev][Date Next] [Thread Prev][Thread Next]

Beware - OSPF will send equal amounts of data down each link that it
perceives as one of the equal-cost paths. So you have a 56K frame and an
OC192, and you have adjusted the costs to appear equal then you're in for a
real fun time!

In a production network, this might not be the best idea, depending upon the
variance in the actual line speeds and topology.


-----Original Message-----
From:	nobody@xxxxxxxxxxxxxx [mailto:nobody@xxxxxxxxxxxxxx] On Behalf Of
Johnny Dedon
Sent:	Wednesday, May 23, 2001 11:50 AM
To:	Shane Miles; ccielab@xxxxxxxxxxxxxx
Subject:	Re: OSPF unequal cost load balancing

There is no variance command.
You can artificially adjust the cost on the links to make them appear to
OSPF as equal.

Johnny Dedon
Senior Staff Consultant
Exodus Professional Services
----- Original Message -----
From: "Shane Miles" <smiles@xxxxxxxxxx>
To: <ccielab@xxxxxxxxxxxxxx>
Sent: Wednesday, May 23, 2001 1:25 PM
Subject: OSPF unequal cost load balancing

> My understanding is that when using OSPF you can have up to 4
> equal-cost paths performing load balancing.  Is it at all possible to do
> unequal cost load balancing with OSPF as is possible with EIGRP?
> --
> Shane P. Miles
> **Please read:
**Please read:
**Please read:
To unsubscribe from the CCIELAB list, send a message to
majordomo@xxxxxxxxxxxxxx with the body containing:
unsubscribe ccielab