From: Chris Riling (criling@gmail.com)
Date: Tue Oct 16 2007 - 02:24:48 ART
I'm not sure whether you HAVE to or not, but I always configure both; only
takes a second to throw the port channel interface into a range command, and
it can save you troubleshooting time later... I've ran into some funky
problems if they're not all EXACTLY the same, and even then sometimes they
still act weird, that's why (as someone else noted as well) I listen to what
Anthony Seqeuira told me once, and shut both sides down (physical and
logical) until they're both configured exactly how I want them, then go do a
no shut... It has saved me a lot of troubeshooting time with flapping port
channels, etc...
Chris
On 10/15/07, Jonny English <redkidneybeans@gmail.com> wrote:
>
> you need to configure both.
>
> but if you configure the port-channel interface it will update the
> physical
> interface configuration.
>
> Here, i even tested it for you
>
> sw1(config)#int fa1/0/1
> sw1(config-if)#channel-group 1 mode on
> Creating a port-channel interface Port-channel 1
>
> sw1(config-if)#do sh run int fa1/0/1
> Building configuration...
>
> Current configuration : 60 bytes
> !
> interface FastEthernet1/0/1
> channel-group 1 mode on
> end
>
> sw1(config-if)#int po1
> sw1(config-if)#switchport trunk encapsulation dot1q
> sw1(config-if)#switchport mode trunk
> sw1(config-if)#do sh run int fa1/0/1
> Building configuration...
>
> Current configuration : 121 bytes
> !
> interface FastEthernet1/0/1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> channel-group 1 mode on
> end
>
>
> sw1(config-if)#do sh run int po1
> Building configuration...
>
> Current configuration : 92 bytes
> !
> interface Port-channel1
> switchport trunk encapsulation dot1q
> switchport mode trunk
> end
>
>
>
> Regards,
>
>
> On 10/16/07, fadel lubbos <fadellubbos@hotmail.com> wrote:
> >
> > Hi GS
> >
> >
> > If I have three switch ports and want to bundle them under group 1 for
> > example, is it required to configure the port-channel to be in trunk
> mode
> > also, or only the group members? regards,
> >
> >
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