Re: Strange status of EtherChannel!

This is a (bs) question. I think questions like this are meant to make
you FAIL!

How many of you would be able to answer this question if you had never
seen it before? Minus 1 you and you better get the other 3 right or
you fail.

On Tue, Sep 1, 2009 at 2:54 AM, Martin Hogan
<martin.john.hogan_at_gmail.com> wrote:
>
> From memory when i was trying to sort it out it wasn't that (suspended) nor
> was it error-disabled (D)
>
>
>
>
> On Tue, Sep 1, 2009 at 4:34 PM, William McCall <william.mccall_at_gmail.com>wrote:
>
> > Just a crappy scenario that might do it... if the port wasn't configured to
> > trunk and the other ports were, might it cause this scenario?
> >
> > Too lazy to lab it up myself and see the results.
> >
> >
> > On Tue, Sep 1, 2009 at 12:42 AM, Joe Astorino <jastorino_at_ipexpert.com>wrote:
> >
> >> Just FYI guys I did lab this up and it has nothing to do with the other
> >> side
> >> not being configured. I was able to configure Cat1 with "channel-group 12
> >> mode on" on the two interfaces connecting to Cat2. On Cat2 I only put the
> >> channel-group command on one interface...interestingly enough, on Cat1 it
> >> still shows both interfaces in the port channel, the port channel up, and
> >> both with a status of "P." I actually would have expected that the 2nd
> >> link
> >> would have not showed a "P" on Cat1. On Cat2, it just showed 1 link in
> >> the
> >> bundle.
> >>
> >> Just FYI Cat1 here is a 3550 and Cat2 is a 3560.
> >>
> >> Cat1#sh run | beg 0/23
> >> interface FastEthernet0/23
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> channel-group 12 mode on
> >> !
> >> interface FastEthernet0/24
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> channel-group 12 mode on
> >>
> >> interface Port-channel12
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> end
> >>
> >>
> >>
> >> Cat2(config-if)#do sh run | beg 0/23
> >> interface FastEthernet0/23
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> channel-group 12 mode on
> >> !
> >> interface FastEthernet0/24
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> !
> >> interface Port-channel12
> >> switchport trunk encapsulation dot1q
> >> switchport mode trunk
> >> end
> >>
> >> Cat1#sh etherchan sum
> >> Flags: D - down P - in port-channel
> >> I - stand-alone s - suspended
> >> H - Hot-standby (LACP only)
> >> R - Layer3 S - Layer2
> >> U - in use f - failed to allocate aggregator
> >> u - unsuitable for bundling
> >> w - waiting to be aggregated
> >> d - default port
> >>
> >>
> >> Number of channel-groups in use: 1
> >> Number of aggregators: 1
> >>
> >> Group Port-channel Protocol Ports
> >>
> >> ------+-------------+-----------+-----------------------------------------------
> >> 12 Po12(SU) - Fa0/23(P) Fa0/24(P)
> >>
> >>
> >>
> >> Cat2(config-if)#do sh etherchan sum
> >> Flags: D - down P - in port-channel
> >> I - stand-alone s - suspended
> >> H - Hot-standby (LACP only)
> >> R - Layer3 S - Layer2
> >> U - in use f - failed to allocate aggregator
> >> u - unsuitable for bundling
> >> w - waiting to be aggregated
> >> d - default port
> >>
> >>
> >> Number of channel-groups in use: 1
> >> Number of aggregators: 1
> >>
> >> Group Port-channel Protocol Ports
> >>
> >> ------+-------------+-----------+-----------------------------------------------
> >> 12 Po12(SU) - Fa0/23(P)
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> On Tue, Sep 1, 2009 at 12:09 AM, Martin Hogan
> >> <martin.john.hogan_at_gmail.com>wrote:
> >>
> >> > Hi,
> >> >
> >> > I've had this happen to me whilst labbing - it was during a broadcast
> >> > storm.
> >> > I couldn't replicate it nor work out what had happened though.
> >> >
> >> > Martin
> >> >
> >> >
> >> >
> >> >
> >> > On Thu, Aug 27, 2009 at 11:28 PM, But Nicky <lyredhair_at_gmail.com>
> >> wrote:
> >> >
> >> > > Dear all,
> >> > >
> >> > > SW2(config)#do sh eth summ
> >> > > Flags: D - down P - in port-channel
> >> > > I - stand-alone s - suspended
> >> > > H - Hot-standby (LACP only)
> >> > > R - Layer3 S - Layer2
> >> > > U - in use f - failed to allocate aggregato
> >> > > U - unsuitable for bundling
> >> > > W - waiting to be aggregated
> >> > > D - default port
> >> > > Number of channel-groups in use: 1
> >> > > Number of aggregators: 1
> >> > > Group Port-channel Protocol Ports
> >> > >
> >> > >
> >> >
> >> ------+-------------+-----------+-----------------------------------------------
> >> > >
> >> > > 12 Po12(SU) - Fa0/19(P) Fa0/20(P) Fa0/21(P)
> >> > Fa0/22(P)
> >> > > Fa0/23() Fa0/24(P) Fa0/25P)
> >> > > Fa0/26(P)
> >> > >
> >> > >
> >> > > Each interface are shown as (P), except F0/23 (),What is the status of
> >> > > F0/23? I have not saw it before, please help.
> >> > >
> >> > > Many thanks,
> >> > > But Nguyen.
> >> > >
> >> > > P/S: This is question for OEQ, which I collected from internet, do not
> >> > > require posting the configuration.
> >> > >
> >> > >
> >> > > Blogs and organic groups at http://www.ccie.net
> >> > >
> >> > >
> >> _______________________________________________________________________
> >> > > Subscription information may be found at:
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> >> >
> >> >
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> >> >
> >> > _______________________________________________________________________
> >> > Subscription information may be found at:
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> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >>
> >>
> >> --
> >> Regards,
> >>
> >> Joe Astorino - CCIE #24347 R&S
> >> Technical Instructor - IPexpert, Inc.
> >> Cell: +1.586.212.6107
> >> Fax: +1.810.454.0130
> >> Mailto: jastorino_at_ipexpert.com
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >> _______________________________________________________________________
> >> Subscription information may be found at:
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> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> > --
> > William McCall, CCIE #25044
>
>
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>
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>

-- 
-
"The more I learn the less I know". This is incredibly frustrating to me.
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