Re: Port Channel not coming up

You can also try show port capabilities to glean additional
information about channel capabilities.

Jeff

On Wed, Jul 29, 2009 at 10:45 AM, Persio Pucci<persio_at_gmail.com> wrote:
> 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
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

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Received on Wed Jul 29 2009 - 22:12:34 ART