Re: Re : Default port-channel load-balance for 3550 ...

From: ccie1101 (ccie1101@gmail.com)
Date: Wed Sep 26 2007 - 02:54:50 ART


Thanks Brian and Dee :) I was looking at the 3550 ver12.2(37)SE but it does
not have the command reference there ..... I will need to improve my
navigation skills on the Doc CD.

[1] On another note, if we create a channel and do not explicitly enable
port-channel load balance, would the channel use its default value ?

Thank you,

ccie1101.

On 9/26/07, dee <devecchio.turner@sbcglobal.net> wrote:
>
> Go to the command reference... In the real-lab this kind of stuff will
> save
> you lots of time..
>
> port-channel load-balance
>
> Use the port-channel load-balance global configuration command to set the
> load-distribution method among the ports in the EtherChannel. Use the no
> form of this command to return to the default setting.
>
> port-channel load-balance {dst-mac | src-mac}
>
> no port-channel load-balance
> Syntax Description
>
> dst-mac
>
>
> Load distribution is based on the destination host MAC address. Packets to
> the same destination are sent on the same port, but packets to different
> destinations are sent on different ports in the channel.
>
> src-mac
>
>
> Load distribution is based on the source MAC address. Packets from
> different
> hosts use different ports in the channel, but packets from the same host
> use
> the same port.
>
> Defaults
>
> The default is src-mac.
> Command Modes
>
> Global configuration
> Command History
> Release
>
> Modification
>
> 12.1(4)EA1
>
>
> This command was introduced.
>
> Usage Guidelines
>
> When src-mac is used, load distribution based on the source and
> destination
> IP address is also enabled. For all IP traffic being routed, the switch
> chooses a port for transmission based on the source and destination IP
> address. Packets between two IP hosts always use the same port for packet
> transmission, but packets between any other pair of hosts might use a
> different transmission port.
> Examples
>
> This example shows how to set the load-distribution method to dst-mac:
>
> Switch(config)# port-channel load-balance dst-mac
>
>
>
>
>
> On 9/26/07 12:21 AM, "ccie1101" <ccie1101@gmail.com> wrote:
>
> > Hi,
> > I was going over the DOC CD and I could not find the default valud
> for
> > port-channel load-balance for the 3550 ..... For the 3560 the default
> for
> > the port-channel load-balance is
> > src-mac.
> >
> > * Can someone let me know what is default for port-channel
> load-balance
> > on the 3550 ?*
> >
> > Many thanks,
> >
> > ccie1101.
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html



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