Re: LACP problem

These are negotiated but will start out in fast mode (1 sec) during
synchronization, and then move into slow mode (30 sec) once synched.

On Sun, Nov 6, 2011 at 12:54 AM, CCIE KID <eliteccie_at_gmail.com> wrote:

> 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)
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
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> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
>
>
> --
> With Warmest Regards,
>
> CCIE KID
> CCIE#29992 (Security)
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
-Steve Di Bias
Blogs and organic groups at http://www.ccie.net