From: Jason Madsen (madsen.jason@gmail.com)
Date: Fri May 09 2008 - 16:55:52 ART
very weird. John, your config's look correct...desirable and desirable is
definitely a compatible combination to use for PAGP etc. As someone just
mentioned, however, order can and does matter when configuring these
interfaces. You should create the port channel interface on your devices
first and then make the channel group assignments on the physical
interfaces.
Also, speed and duplex must match. I don't see any specified in your
config's, so as long as the physical capabilities are the same on both
devices and they negotiate properly you should be good. Try doing a show
interface status on both devices and ensure that both of your links (link
pairs) are at the same speed and duplex. You might want to try specifying
speed and duplex if nothing else works.
As someone just mentioned also, you could try shutting and no shutting the
interfaces or even reloading your devices too.
Jason
On Fri, May 9, 2008 at 12:45 PM, John <jgarrison1@austin.rr.com> wrote:
> SW4
> SW4(config-if-range)#do sh run int f0/14
> Building configuration...
>
> Current configuration : 97 bytes
> !
> interface FastEthernet0/14
> no switchport
> no ip address
> channel-group 14 mode desirable
> end
>
> SW4(config-if-range)#do sh run int f0/15
> Building configuration...
>
> Current configuration : 97 bytes
> !
> interface FastEthernet0/15
> no switchport
> no ip address
> channel-group 14 mode desirable
> end
>
> SW4(config-if-range)#do sh run int p014
> Building configuration...
>
> Current configuration : 87 bytes
> !
> interface Port-channel14
> no switchport
> ip address 163.1.0.134 255.255.255.128
> end
>
> SW4(config-if-range)#do sh etherchannel 14 port
> Ports in the group:
> -------------------
> Port: Fa0/14
> ------------
>
> Port state = Up Cnt-bndl-rmt Suspend Mstr Rmt-PAgP-Dsbl Not-in-Bndl
> Channel group = 14 Mode = Desirable-Sl Gcchange = 0
> Port-channel = null GC = 0x000E0001 Pseudo port-channel =
> Po14
> Port index = 0 Load = 0x00 Protocol = PAgP
>
> Flags: S - Device is sending Slow hello. C - Device is in Consistent
> state.
> A - Device is in Auto mode. P - Device learns on physical
> port.
> d - PAgP is down.
> Timers: H - Hello timer is running. Q - Quit timer is running.
> S - Switching timer is running. I - Interface timer is running.
>
> Local information:
> Hello Partner PAgP Learning Group
> Port Flags State Timers Interval Count Priority Method Ifindex
> Fa0/14 U4/S4 H 30s 0 128 Any 10014
>
> Age of the port in the current state: 0d:05h:41m:34s
>
> Port: Fa0/15
> ------------
>
> Port state = Up Cnt-bndl-rmt Suspend Mstr Rmt-PAgP-Dsbl Not-in-Bndl
> Channel group = 14 Mode = Desirable-Sl Gcchange = 0
> Port-channel = null GC = 0x000E0001 Pseudo port-channel =
> Po14
> Port index = 0 Load = 0x00 Protocol = PAgP
>
> Flags: S - Device is sending Slow hello. C - Device is in Consistent
> state.
> A - Device is in Auto mode. P - Device learns on physical
> port.
> d - PAgP is down.
> Timers: H - Hello timer is running. Q - Quit timer is running.
> S - Switching timer is running. I - Interface timer is running.
>
> Local information:
> Hello Partner PAgP Learning Group
> Port Flags State Timers Interval Count Priority Method Ifindex
> Fa0/15 U4/S4 H 30s 0 128 Any 10015
>
> Age of the port in the current state: 0d:05h:41m:42s
>
> SW1
>
> SW1(config-if-range)#do sh run int f0/17
> Building configuration...
>
> Current configuration : 97 bytes
> !
> interface FastEthernet0/17
> no switchport
> no ip address
> channel-group 14 mode desirable
> end
>
>
>
> SW1(config-if-range)#do sh run int f0/18
> Building configuration...
>
> Current configuration : 97 bytes
> !
> interface FastEthernet0/18
> no switchport
> no ip address
> channel-group 14 mode desirable
> end
>
> SW1(config-if-range)#do sh run int p014
> Building configuration...
>
> Current configuration : 87 bytes
> !
> interface Port-channel14
> no switchport
> ip address 163.1.0.133 255.255.255.128
> end
>
>
> Port: Fa0/17
> ------------
>
> Port state = Up Cnt-bndl-rmt Suspend Mstr Rmt-PAgP-Dsbl Not-in-Bndl
> Channel group = 14 Mode = Desirable-Sl Gcchange = 0
> Port-channel = null GC = 0x000E0001 Pseudo port-channel =
> Po14
> Port index = 0 Load = 0x00 Protocol = PAgP
>
> Flags: S - Device is sending Slow hello. C - Device is in Consistent
> state.
> A - Device is in Auto mode. P - Device learns on physical
> port.
> d - PAgP is down.
> Timers: H - Hello timer is running. Q - Quit timer is running.
> S - Switching timer is running. I - Interface timer is running.
>
> Local information:
> Hello Partner PAgP Learning Group
> Port Flags State Timers Interval Count Priority Method Ifindex
> Fa0/17 U4/S4 H 30s 0 128 Any 10017
>
> Age of the port in the current state: 0d:05h:05m:56s
>
> Port: Fa0/18
> ------------
>
> Port state = Up Cnt-bndl-rmt Suspend Mstr Rmt-PAgP-Dsbl Not-in-Bndl
> Channel group = 14 Mode = Desirable-Sl Gcchange = 0
> Port-channel = null GC = 0x000E0001 Pseudo port-channel =
> Po14
> Port index = 0 Load = 0x00 Protocol = PAgP
>
> Flags: S - Device is sending Slow hello. C - Device is in Consistent
> state.
> A - Device is in Auto mode. P - Device learns on physical
> port.
> d - PAgP is down.
> Timers: H - Hello timer is running. Q - Quit timer is running.
> S - Switching timer is running. I - Interface timer is running.
>
> Local information:
> Hello Partner PAgP Learning Group
> Port Flags State Timers Interval Count Priority Method Ifindex
> Fa0/18 U4/S4 H 30s 0 128 Any 10018
>
> Age of the port in the current state: 0d:05h:06m:00s
>
>
>
> ----- Original Message ----- From: "Jason Madsen" <madsen.jason@gmail.com>
> To: <irfanccie@hotmail.co.uk>
> Cc: "John" <jgarrison1@austin.rr.com>; <ccielab@groupstudy.com>
> Sent: Friday, May 09, 2008 11:20 AM
> Subject: Re: etherchannel
>
>
> I would do a "show run interface xx" and see if your interfaces are
>> configured the same. If I remember correctly, if your interfaces (ether
>> channel members) are individually configured as trunks, they need to have
>> the same VLANs allowed on each of them...I believe your speed and duplex
>> settings much match across the board too.
>>
>> If that doesn't bring them up for you, please paste your show run
>> interface
>> results and maybe we can see what's going on for you.
>>
>>
>> Jason
>>
>> On Fri, May 9, 2008 at 9:09 AM, <irfanccie@hotmail.co.uk> wrote:
>>
>> it maybe the order of operations.. try configuring while interfaces are
>>> shut and then unshut....
>>>
>>> also if you can send configs...
>>>
>>> --------------------------------------------------
>>> From: "John" <jgarrison1@austin.rr.com>
>>> Sent: Friday, May 09, 2008 3:09 PM
>>> To: <ccielab@groupstudy.com>
>>> Subject: etherchannel
>>>
>>>
>>> I cannot get an etherchannel to come up with lacp or pagp. The channel
>>>
>>>> does
>>>> come up if I set the mode to on. With lacp and pagp I get pagp/lacp no
>>>> enabled on remote port. I'm setting both sides to active in lacp and
>>>> desirable with pagp. Anyone?
>>>>
>>>>
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>>>>
>>>
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>>
>>
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