That is a bit strange. I normally would not put the udld on the links until the links are up. Have had troubles with that as well.
Then there is the difference between setting up L2 and L3 channels:-) Always something fun. Anyway, glad you guys figured it out. Happy port channeling. Larry Hadrava CCIE #12203 CCNP CCNA Sr. Support Engineer – IPexpert, Inc. URL: http://www.IPexpert.com On Wed, May 27, 2009 at 9:11 PM, Brandon Carroll < [email protected]> wrote: > Thanks Larry! I did the shut-no shut a number of times. I ended up > created a channel with a different number and it worked. Go figure. > -- > Brandon Carroll, CCIE #23837 > GlobalConfig.net > PO Box 267 > Mercer Island, Wa 98040 > > ph. (206) 866-5750 > email: [email protected] > on the web: www.globalconfig.net > > On Wed, May 27, 2009 at 6:03 PM, Larry Hadrava <[email protected]>wrote: > >> You run into this a lot when you configure one side and then the other >> with all of the ports up. The side that is configure first will be trying to >> talk over the channel while the other side is not ready. >> Then you will see the error disabled state on one side and the not >> connected on the other. Normally if you do a shut and no shut on the error >> disabled side it will come back up. >> >> Larry Hadrava >> CCIE #12203 CCNP CCNA >> Sr. Support Engineer – IPexpert, Inc. >> URL: http://www.IPexpert.com <http://www.ipexpert.com/> >> >> >> On Wed, May 27, 2009 at 5:57 PM, Brandon Carroll < >> [email protected]> wrote: >> >>> Yep- you were right. When I removed the channel from both sides the link >>> between the two came up. Then I created a new channel-group (40) and >>> assigned that to both ends- they came right up. >>> >>> >>> >>> On Wed, May 27, 2009 at 2:55 PM, prakash patel >>> <[email protected]>wrote: >>> >>>> I did not read the lab nor port connections. >>>> >>>> Here are my 2 cents. >>>> >>>> Let start this way >>>> >>>> (1) remove all configruation from both ends >>>> (2) bounce the interface and see if it came up or down >>>> >>>> (3) if it remains down, then I will suspect it is cable. Find the media >>>> type on both ends. I suspect that could be the problem. >>>> >>>> (4) otherwise, do show cdp neigh to ensure if you are applying >>>> configration at correct ports. Apply configuration of (1) trunk and then >>>> (2) >>>> port-channel. (3) Also remember to follow the correct order of "how to >>>> configure the port-channel " >>>> >>>> (5) then put udld port and bounce. >>>> >>>> (6) adjust errdisable timing too if you need to learn more >>>> >>>> >>>> I hope this helps >>>> >>>> >>>> >>>> ------------------------------ >>>> From: [email protected] >>>> Date: Wed, 27 May 2009 14:43:28 -0700 >>>> To: [email protected] >>>> Subject: [OSL | CCIE_RS] Etherchannel Question >>>> >>>> >>>> I'm working on Lab 2 of Volume 1. Here is what I see between Cat1 and >>>> Cat3: >>>> Cat3550-1(config-if-range)#do sh run int f0/21 >>>> Building configuration... >>>> >>>> Current configuration : 207 bytes >>>> ! >>>> interface FastEthernet0/21 >>>> switchport trunk encapsulation dot1q >>>> switchport trunk allowed vlan 1,12,40,100,300,567 >>>> switchport mode trunk >>>> speed 100 >>>> duplex full >>>> udld port >>>> channel-group 13 mode on >>>> end >>>> Cat3550-1(config-if-range)#do sh run int f0/22 >>>> Building configuration... >>>> >>>> Current configuration : 207 bytes >>>> ! >>>> interface FastEthernet0/22 >>>> switchport trunk encapsulation dot1q >>>> switchport trunk allowed vlan 1,12,40,100,300,567 >>>> switchport mode trunk >>>> speed 100 >>>> duplex full >>>> udld port >>>> channel-group 13 mode on >>>> end >>>> >>>> >>>> Cat3560-3(config-if-range)#do sh run int f0/21 >>>> Building configuration... >>>> >>>> Current configuration : 207 bytes >>>> ! >>>> interface FastEthernet0/21 >>>> switchport trunk encapsulation dot1q >>>> switchport trunk allowed vlan 1,12,40,100,300,567 >>>> switchport mode trunk >>>> speed 100 >>>> duplex full >>>> udld port >>>> channel-group 13 mode on >>>> end >>>> >>>> Cat3560-3(config-if-range)#do sh run int f0/22 >>>> Building configuration... >>>> >>>> Current configuration : 207 bytes >>>> ! >>>> interface FastEthernet0/22 >>>> switchport trunk encapsulation dot1q >>>> switchport trunk allowed vlan 1,12,40,100,300,567 >>>> switchport mode trunk >>>> speed 100 >>>> duplex full >>>> udld port >>>> channel-group 13 mode on >>>> end >>>> >>>> Cat3560-3(config-if-range)# >>>> >>>> >>>> Configs look the same. However, if I look at Cat1 i see it is >>>> err-disable. >>>> >>>> Cat3550-1(config-if-range)#do sh int status | in 21 >>>> Fa0/21 err-disabled 1 full 100 >>>> 10/100BaseTX >>>> Cat3550-1(config-if-range)#do sh int status | in 22 >>>> Fa0/22 err-disabled 1 full 100 >>>> 10/100BaseTX >>>> Cat3550-1(config-if-range)# >>>> >>>> >>>> and the channel shows down: >>>> >>>> Cat3550-1(config-if-range)#do sh etherchannel 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 aggregator >>>> u - unsuitable for bundling >>>> w - waiting to be aggregated >>>> d - default port >>>> >>>> >>>> Number of channel-groups in use: 3 >>>> Number of aggregators: 3 >>>> >>>> Group Port-channel Protocol Ports >>>> >>>> ------+-------------+-----------+----------------------------------------------- >>>> 12 Po12(SU) - Fa0/23(P) Fa0/24(P) >>>> 13 Po13(SD) - Fa0/21(D) Fa0/22(D) >>>> 14 Po14(SU) - Fa0/19(P) Fa0/20(P) >>>> >>>> Cat3550-1(config-if-range)# >>>> >>>> >>>> Over on Cat3 it shows the following: >>>> >>>> >>>> Cat3560-3(config-if-range)# >>>> Cat3560-3(config-if-range)#do sh int status | in 21 >>>> Fa0/21 notconnect 1 full 100 >>>> 10/100BaseTX >>>> Cat3560-3(config-if-range)#do sh int status | in 22 >>>> Fa0/22 notconnect 1 full 100 >>>> 10/100BaseTX >>>> Cat3560-3(config-if-range)# >>>> >>>> >>>> Cat3560-3(config-if-range)#do sh etherc 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 aggregator >>>> u - unsuitable for bundling >>>> w - waiting to be aggregated >>>> d - default port >>>> >>>> >>>> Number of channel-groups in use: 3 >>>> Number of aggregators: 3 >>>> >>>> Group Port-channel Protocol Ports >>>> >>>> ------+-------------+-----------+----------------------------------------------- >>>> 13 Po13(SD) - Fa0/21(D) Fa0/22(D) >>>> 23 Po23(SU) - Fa0/19(P) Fa0/20(P) >>>> 34 Po34(SU) - Fa0/23(P) Fa0/24(P) >>>> >>>> Cat3560-3(config-if-range)# >>>> >>>> >>>> and the interface shows "notconnect" >>>> >>>> Cat3560-3(config-if-range)#do sh int f0/21 | in down >>>> FastEthernet0/21 is down, line protocol is down (notconnect) >>>> Cat3560-3(config-if-range)#do sh int f0/22 | in down >>>> FastEthernet0/22 is down, line protocol is down (notconnect) >>>> Cat3560-3(config-if-range)# >>>> >>>> >>>> In my experience "notconnect" has always been cabling. Is that the case >>>> here or am I missing something? I've been reading the document: >>>> >>>> >>>> http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00806cd87b.shtml >>>> >>>> Thanks in advance for any insight. >>>> >>>> -- >>>> Brandon Carroll, CCIE #23837 >>>> GlobalConfig.net >>>> PO Box 267 >>>> Mercer Island, Wa 98040 >>>> >>>> ph. (206) 866-5750 >>>> email: [email protected] >>>> on the web: www.globalconfig.net >>>> >>>> ------------------------------ >>>> Hotmail® has a new way to see what's up with your friends. Check it >>>> out.<http://windowslive.com/Tutorial/Hotmail/WhatsNew?ocid=TXT_TAGLM_WL_HM_Tutorial_WhatsNew1_052009> >>>> >>> >>> >> >
