From: Mounir Mohamed (mounir.mohamed@gmail.com)
Date: Mon Jul 30 2007 - 03:46:41 ART
Dear Toh,
kindly use the below command to check the current load-balance method, in
the below example the default Ether-channel load-balance begin used so the
traffic balance depending the number of hosts and traffic pattern of each
host.
Rack1SW1#show etherchannel load-balance
EtherChannel Load-Balancing Operational State (*src-mac*):
Non-IP: Source MAC address
IPv4: Source MAC address
IPv6: Source IP address
On 7/30/07, Toh Soon, Lim <tohsoon28@gmail.com> wrote:
>
> Hi Mounir,
>
> I used the command "sh etherchannel port-channel" to check the load across
> each physical link of the etherchannel. I checked a few etherchannels
> (mostly 4xGE) in my network and noticed the load is always 11,22,44,88, as
> follows:
>
> ------------------------------------------------------------------------
>
> C6509#sh ether port-channel
> Channel-group listing:
> -----------------------
>
> Group: 1
> ----------
> Port-channels in the group:
> ----------------------
>
> Port-channel: Po1
> ------------
>
> Age of the Port-channel = 190d:11h:50m:39s
> Logical slot/port = 14/1 Number of ports = 4
> GC = 0x00010001 HotStandBy port = null
> Port state = Port-channel Ag-Inuse
> Protocol = PAgP
>
> Ports in the Port-channel:
>
> Index Load Port EC state No of bits
> ------+------+------+------------------+-----------
> 0 11 Gi5/1 Desirable-Sl 2
> 1 22 Gi5/2 Desirable-Sl 2
> 2 44 Gi6/1 Desirable-Sl 2
> 3 88 Gi6/2 Desirable-Sl 2
>
> Time since last port bundled: 69d:13h:32m:15s Gi5/1
> Time since last port Un-bundled: 69d:13h:32m:20s Gi5/1
>
> ------------------------------------------------------------------------
>
>
> Can someone help to explain why?
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
>
>
> On 7/30/07, Mounir Mohamed <mounir.mohamed@gmail.com> wrote:
> >
> > Dear Ramya,
> >
> > It's totally depending on your design, if the ether-channel is layer 2
> > and
> > all hosts communicating with the same server (destination) in this case
> > the
> > load-balance based on the src-mac will be good over than dsst-mac,
> > likewise
> > layer 2 ether-channel.
> >
> >
> > On 7/29/07, Ramya S <ramya_1975@hotmail.com> wrote:
> > >
> > > Hi Group,
> > >
> > > When do we use Dst-ip v/s Dst-mac or src-ip v/s src-mac (mac,ip) for
> > ether
> > > channel load balancing?
> > >
> > > Ramya Sen.
> > >
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> >
> > --
> > Best Reagrds,
> > Mounir Mohamed
> >
> > _______________________________________________________________________
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>
>
-- Best Reagrds, Mounir Mohamed
This archive was generated by hypermail 2.1.4 : Sat Aug 18 2007 - 08:17:42 ART