Re: Port Channel not coming up

Can we have a show run on the interfaces (or is the one on the first email
already a sh run?)? Duplexing and speed statically set on interfaces usually
help (and won't hurt). Also, check your plataform-specific issues (channel
members on different slots, etc).

On Wed, Jul 29, 2009 at 10:27 AM, Brian Dooley <morinack_at_gmail.com> wrote:

> What happens when you remove the command "set spantree portfast 9/5-8
> disable" from SW2?
>
> Sounds like spanning tree is causing the port to be blocked.
> You can try disabling spanning tree with the command spanning-tree portfast
> trunk to see if that brings it up.
>
> The most common reason for members to not be added to a channel-group is
> due
> to differences between ports (which I am sure you are aware of).
> Be sure trunks are established as well. I see allowed vlans is set to none
> on your trunks.
>
> Sorry for the poke and hope technology but sometimes email diagnostics can
> be like working in the dark with very thick gloves. :-)
>
>
>
>
> On Wed, Jul 29, 2009 at 6:56 AM, Ananfack, Jeremie N <
> jeremie_n_ananfack_at_fanniemae.com> wrote:
>
> > The output is below.
> > All interfaces haven't been up at the same time. All ports on the switch
> > side show "connected and trunking".
> > On the router side, whichever interface is brought up first stays up/up
> and
> > the other up/down.
> > It seems to be a protocol issue.
> > The logical interface (port-channel) is up/up.
> >
> > sp01a> (enable) sh por st 9/5
> > # = 802.1X Authenticated Port Name.
> >
> > Port Name Status Vlan Duplex Speed Type
> > ----- -------------------- ---------- ---------- ------ -----------
> > ------------
> > 9/5 connected trunk full 1000
> > 1000BaseSX
> > ==============================
> >
> > sp01a> (enable) sh por st 9/6
> > # = 802.1X Authenticated Port Name.
> >
> > Port Name Status Vlan Duplex Speed Type
> > ----- -------------------- ---------- ---------- ------ -----------
> > ------------
> > 9/6 connected trunk full 1000
> > 1000BaseSX
> > =====================================================================
> >
> > rp01#sh int g1/5
> > GigabitEthernet1/5 is up, line protocol is down (notconnect)
> > Hardware is C6k 1000Mb 802.3, address is 0015.fa42.e6f4 (bia
> > 0015.fa42.e6f4)
> > Description: sp01a_9/5
> > MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation ARPA, loopback not set
> > Keepalive set (10 sec)
> > Full-duplex, 1000Mb/s, media type is SX
> > input flow-control is off, output flow-control is off
> > Clock mode is auto
> > ARP type: ARPA, ARP Timeout 04:00:00
> > =====================================
> >
> > rp01#sh int g4/15
> > GigabitEthernet4/15 is up, line protocol is up (connected)
> > Hardware is C6k 1000Mb 802.3, address is 00d0.c0d6.4fd2 (bia
> > 00d0.c0d6.4fd2)
> > Description: sp01a_9/6
> > MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation ARPA, loopback not set
> > Keepalive set (10 sec)
> > Full-duplex, 1000Mb/s, media type is SX
> > input flow-control is off, output flow-control is off
> > Clock mode is auto
> > ARP type: ARPA, ARP Timeout 04:00:00
> >
> >
> > ------------------------------
> > *From:* Brian Dooley [mailto:morinack_at_gmail.com]
> > *Sent:* Tuesday, July 28, 2009 9:37 PM
> > *To:* Ananfack, Jeremie N
> > *Cc:* joshua atterbury; Joe Astorino; ccielab_at_groupstudy.com
> >
> > *Subject:* Re: Port Channel not coming up
> >
> > Hi Jeremie
> >
> > Can we get a sh int on each of the 4 interfaces involved with them all
> up?
> > Have you done any debugging?
> >
> >
> > -
> >
> > On Tue, Jul 28, 2009 at 7:34 PM, Ananfack, Jeremie N <
> > jeremie_n_ananfack_at_fanniemae.com> wrote:
> >
> >> It is not a cabling issue.
> >> When I shut both g1/5 and g4/15 down, the port to be first unshut will
> >> stay up and the second will stay down.
> >> Right now, g4/15 is up and g1/5 down.
> >>
> >>
> >> ________________________________
> >>
> >> From: joshua atterbury [mailto:joshuaatterbury_at_gmail.com]
> >> Sent: Tuesday, July 28, 2009 6:15 PM
> >> To: Ananfack, Jeremie N
> >> Cc: Joe Astorino; ccielab_at_groupstudy.com
> >> Subject: Re: Port Channel not coming up
> >>
> >>
> >> have you confirmed that it is not a cabling problem? Ie is you make
> >> gi4/15 an access port and do the same for the other end does it come up?
> >>
> >>
> >> On Wed, Jul 29, 2009 at 4:44 AM, Ananfack, Jeremie N
> >> <jeremie_n_ananfack_at_fanniemae.com> wrote:
> >>
> >>
> >> The logical interface is already up.
> >> I was expecting a 2Gig interface and both g1/5 & g4/15 as
> >> members of the
> >> channel.
> >> Still unable to bring up g4/15.
> >>
> >>
> >> rp01#sh int po3
> >>
> >> Port-channel3 is up, line protocol is up (connected)
> >>
> >> Hardware is EtherChannel, address is 00d0.c0d6.4fd2 (bia
> >> 00d0.c0d6.4fd2)
> >> MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
> >> reliability 255/255, txload 1/255, rxload 1/255
> >> Encapsulation ARPA, loopback not set
> >> Keepalive set (10 sec)
> >> Full-duplex, 1000Mb/s
> >> input flow-control is off, output flow-control is off
> >>
> >> Members in this channel: Gi1/5
> >>
> >> ARP type: ARPA, ARP Timeout 04:00:00
> >>
> >>
> >> ________________________________
> >>
> >> From: Joe Astorino [mailto:jastorino_at_ipexpert.com]
> >> Sent: Tuesday, July 28, 2009 1:48 PM
> >> To: Ananfack, Jeremie N
> >> Cc: ccielab_at_groupstudy.com
> >> Subject: Re: Port Channel not coming up
> >>
> >>
> >>
> >> Allow the native VLAN on the trunks of the physical and logical
> >> interfaces.
> >>
> >>
> >> On Tue, Jul 28, 2009 at 12:01 PM, Ananfack, Jeremie N
> >> <jeremie_n_ananfack_at_fanniemae.com> wrote:
> >>
> >>
> >> Hello,
> >>
> >> Any suggestion as far as bringing this port channel up?
> >> The port channel interface is up but the other member of
> >> the
> >> channel is
> >> down and doesn't show as a member of that channel.
> >>
> >>
> >> sw1
> >> interface GigabitEthernet1/5
> >> GigabitEthernet1/5 is up, line protocol is up (connected)
> >> description 1sharebc-sp01a
> >> switchport
> >> switchport trunk encapsulation dot1q
> >> switchport trunk native vlan 601
> >> switchport trunk allowed vlan none
> >> switchport mode trunk
> >> no ip address
> >> no snmp trap link-status
> >> channel-group 3 mode desirable non-silent
> >> !
> >>
> >> interface GigabitEthernet4/15
> >> GigabitEthernet4/15 is up, line protocol is down
> >> (notconnect)
> >> description 1sharebc-sp01a
> >> switchport
> >> switchport trunk encapsulation dot1q
> >> switchport trunk native vlan 601
> >> switchport trunk allowed vlan none
> >> switchport mode trunk
> >> no ip address
> >> no snmp trap link-status
> >> channel-group 3 mode desirable non-silent
> >> !
> >>
> >> interface Port-channel3
> >> Port-channel3 is up, line protocol is up (connected)
> >> description 1sharebc-sp01a
> >> Members in this channel: Gi1/5
> >> switchport
> >> switchport trunk encapsulation dot1q
> >> switchport trunk native vlan 601
> >> switchport trunk allowed vlan none
> >> switchport mode trunk
> >> no ip address
> >>
> >>
> >> ==========================================================
> >>
> >> sw2
> >> set vlan 601 9/5-6
> >> clear trunk 9/5 1-4094
> >> set trunk 9/5 on dot1q
> >> clear trunk 9/6 1-4094
> >> set trunk 9/6 on dot1q
> >> set spantree portfast 9/5-8 disable
> >> set port channel 9/5-6 mode desirable non-silent
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >>
> >>
> >> _______________________________________________________________________
> >> 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:
> >> http://www.groupstudy.com/list/CCIELab.html
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >> _______________________________________________________________________
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> > --
> > ---
> >
> > Brian Dooley
> > Technical Consultant II CCIE # 23688
> > AT&T
> > WCS - BFS Field Operations - Southeast
> > morinack_at_gmail.com
> >
> > "Fall seven times, stand up eight."
> > -- Japanese Proverb
> >
> >
>
>
> --
> ---
>
> Brian Dooley
> Technical Consultant II CCIE # 23688
> AT&T
> WCS - BFS Field Operations - Southeast
> morinack_at_gmail.com
>
> "Fall seven times, stand up eight."
> -- Japanese Proverb
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Wed Jul 29 2009 - 11:45:08 ART