From: Mounir Mohamed (mounir.mohamed@gmail.com)
Date: Wed Sep 26 2007 - 06:33:00 ART
Yes, by configured the mode the switch will undestand which protocol you
enabled on so no need to specify the channel-protocol on.
interface FastEthernet0/13
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
end
Rack1SW1#show run int f0/14
Building configuration...
Current configuration : 127 bytes
!
interface FastEthernet0/14
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
end
Rack1SW1#show run int f0/15
Building configuration...
Current configuration : 127 bytes
!
interface FastEthernet0/15
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode desirable
end
Rack1SW1#show ether pro
Channel-group listing:
----------------------
Group: 1
----------
Protocol: PAgP
On 9/26/07, subodh.rawat@wipro.com <subodh.rawat@wipro.com> wrote:
>
> So, is it really required to give "channel-protocol pagp" when we are
> giving "channel-group 1 mode desirable" at both the ends? Because,
> desirable-desirable will in any case result in PAGP.
>
> Subodh
>
>
> -----Original Message-----
> From: Shine Joseph [mailto:shinepjoseph@iprimus.com.au]
> Sent: Wednesday, September 26, 2007 1:27 PM
> To: Subodh Singh Rawat (WT01 - TELECOM SERVICE PROVIDER);
> ccielab@groupstudy.com
> Subject: RE: question on Channel-protocol configuration
>
> Subodh,
>
> The first one is a valid configuration.
>
> The second configuration is not valid and the switch would reject the
> command when you try to configure. Please see below the error message.
>
> SW2(config-if)#channel-protocol pagp
> SW2(config-if)#
> 02:09:08: %EC-5-ERRPROT2: Command rejected: the interface Fa0/14 is
> already part of a channel with a different type of protocol enabled
>
> HTH,
> Shine
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> subodh.rawat@wipro.com
> Sent: Wednesday, 26 September 2007 2:32 PM
> To: ccielab@groupstudy.com
> Subject: question on Channel-protocol configuration
>
> Hi Group,
>
> Please let me know what is the result of below configurations:
>
>
> interface FastEthernet0/20
> no switchport
> no ip address
> channel-protocol pagp
> channel-group 1 mode desirable
>
> AND
>
> interface FastEthernet0/20
> no switchport
> no ip address
> channel-protocol pagp
> channel-group 1 mode active
>
>
> Assuming other end in the configuration is "channel-group 1 mode
> desirable" and "channel-group 1 mode passive" respectively.
>
>
> Subodh
>
>
>
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-- Best Reagrds, Mounir Mohamed
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