From: Danny Muizebelt (Danny.Muizebelt@osiatis.at)
Date: Thu Oct 20 2005 - 05:21:38 GMT-3
> The feature below can be usefull to. If you've configured the
> interface with
> a very low administrative bandwidth (for routing optimization e.g.)
> you can
> configure that EIGRP may use 200% for routing updates.
In my experience its better to use the "delay" parameter to influence EIGRP routing than the "bandwidth".
Reasons I can think of:
- Bandwidth displays the real max throughput for documentation and reference.
- Your QoS config has to be changed each time to reroute traffic or have a bandwidth upgrade.
- The "ip bandwidth-percent eigrp" statement has to be updated each time you reroute traffic or have a bandwidth upgrade. :)
- Any others?
I'm not sure how the proctors evaluate the use of the "bandwidth" setting to influence the traffic flows.
Cheers,
Danny
Danny Muizebelt
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> -----Urspr|ngliche Nachricht-----
> Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Im Auftrag
> von Henk de Tombe
> Gesendet: Donnerstag, 20. Oktober 2005 08:37
> An: 'simon hart'; The Great Ryan; Cisco certification
> Betreff: RE: EIGRP routing protocol traffic in FastEthernet
> Interface
>
> Hi,
>
> You are right that the bandwidth command doesn't change the speed of
> the
> link. But EIGRP used the configured bandwidth under te interface to
> determine the maximum allowed bandwidth for routing updates.
>
> EIGRP will use up to 50 percent of the bandwidth of a link, as
> defined by
> the bandwidth interface configuration command. This command may be
> used if
> some other fraction of the bandwidth is desired.
>
> The feature below can be usefull to. If you've configured the
> interface with
> a very low administrative bandwidth (for routing optimization e.g.)
> you can
> configure that EIGRP may use 200% for routing updates.
>
> --> Note that values greater than 100 percent may be configured. The
> configuration option may be useful if the bandwidth is set
> artificially low
> for other reasons. <--
>
>
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124c
> r/hirp_r
> /rte_eih.htm#wp1096974
>
>
> Regards,
> Henk
>
> -----Oorspronkelijk bericht-----
> Van: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Namens
> simon hart
> Verzonden: maandag 17 oktober 2005 19:00
> Aan: The Great Ryan; Cisco certification
> Onderwerp: RE: EIGRP routing protocol traffic in FastEthernet
> Interface
>
> Ryan,
>
> Method 2 as you described will not work. Putting the bandwidth
> command
> directly onto the interface does not effect the speed of the link.
> The
> bandwidth command is just a reference used for metric calculation
> and MQC
> reference.
>
> Simon
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf
> Of The
> Great Ryan
> Sent: 17 October 2005 14:28
> To: Cisco certification
> Subject: EIGRP routing protocol traffic in FastEthernet Interface
>
>
> Hi Group,
>
> One easy question but I want to double confirm.
> If I only want to allow EIGRP Routing Protocol 10Mbps (Max) traffic
> on
> Fastethernet interface, can I accomplis by the following methods?
>
> Method 1:
> =========
> interface f0/0
> ip bandwidth-percent eigrp 1 10
>
> Method 2:
> ========
> interface f0/0
> bandwidth 20000
> ! Because it use 50% as eigrp routing protocol, by default.
>
>
> Any more method ?
>
> Thanks a lot!
> Ryan
>
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