Re: LACP problem

Hi fellas,

What is the difference between Slow LACP PDU's and Fast LACP PDU's ? When
will Slow and Fast PDU's be used ?

On Sun, Nov 6, 2011 at 5:32 AM, Shane K <shanekgs_at_gmail.com> wrote:

> I was looking at this recently, heres what answered my question in the
> command reference -
>
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_44_se/command/reference/cli1.html#wp2759080
>
>
>
> The *lacp system-priority *command determines which switch in an LACP
> link controls port priorities.
>
> An LACP channel group can have up to 16 Ethernet ports of the same type.
> Up to eight ports can be active, and up to eight ports can be in standby
> mode. When there are more than eight ports in an LACP channel-group, the
> switch on the controlling end of the link uses port priorities to determine
> which ports are bundled into the channel and which ports are put in
> hot-standby mode. Port priorities on the other switch (the noncontrolling
> end of the link) are ignored.
>
> In priority comparisons, numerically lower values have higher priority.
> Therefore, the system with the numerically lower value (higher priority
> value) for LACP system priority becomes the controlling system. If both
> switches have the same LACP system priority (for example, they are both
> configured with the default setting of 32768), the LACP system ID (the
> switch MAC address) determines which switch is in control.
>
> The *lacp system-priority *command applies to all LACP EtherChannels on
> the switch.
>
> Use the *show etherchannel summary* privileged EXEC command to see which
> ports are in the hot-standby mode (denoted with an H port-state flag in the
> output display).
>
> For more information about configuring LACP on physical ports, see the
> "Configuring EtherChannels" chapter in the software configuration guide for
> this release.
>
>
>
>
>
> S
>
> On Sat, Nov 5, 2011 at 9:59 AM, CCIE KID <eliteccie_at_gmail.com> wrote:
>
>> Hi fellas,
>>
>> What does LACP system id and priority means? Where does it get used in
>> real
>> time?
>> Can someone shed some light on it ?
>>
>>
>> --
>> With Warmest Regards,
>>
>> CCIE KID
>> CCIE#29992 (Security)
>>
>>
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>>
>>
>>
>>
>>
>>
>

-- 
With Warmest Regards,
CCIE KID
CCIE#29992 (Security)
Blogs and organic groups at http://www.ccie.net