No no - thank YOU. I love fun troubleshooting puzzles. This one was great. My class loved it, too! :-)
http://pic.twitter.com/EIqhjOU6 Fun times! :-) -- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Thu, Mar 15, 2012 at 18:51, karthk kumar <[email protected]> wrote: > THANKS Marko. > > ________________________________ > From: Marko Milivojevic <[email protected]> > To: karthk kumar <[email protected]> > Cc: "[email protected]" <[email protected]>; GS CCIE > <[email protected]> > Sent: Thursday, 15 March 2012 6:30 PM > > Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 question > 9 > > This was such a fun problem to troubleshoot! After a Skype session, we > finally nailed it. Link between SW1 and SW2 was blocked by > spanning-tree on SW1's side. After changing STP, all worked as > expected. > > There is a valuable lesson to be learned here. Many technologies > interact. Understanding those interactions is a very important > aspects. A question Karthik asked me during the session is also a > fantastic one - "why did STP calculation come into play, when I have > not reached that part of the workbook". Well - because switches are > not built for workbooks, but the other-way round. :-) > > Thanks you so much, Karthik for providing me with a late-Thursday > entertainment. I'm now in my CCIE R&S One Week Lab Experience class > and I will give my students this puzzle to solve! > > -- > Marko Milivojevic - CCIE #18427 (SP R&S) > Senior CCIE Instructor - IPexpert > > On Thu, Mar 15, 2012 at 17:42, karthk kumar <[email protected]> wrote: >> Hi Marko, >> >> I changed to ver 1. But, still no luck. Learning of vlans is not occurring >> on sw3 and sw4 clients. Thanks. I will note a point and move on. Let me >> know. >> >> SW1#sh vtp status >> VTP Version : running VTP1 (VTP2 capable) >> >> Configuration Revision : 0 >> Maximum VLANs supported locally : 1005 >> Number of existing VLANs : 11 >> VTP Operating Mode : Transparent >> VTP Domain Name : CCIE >> VTP Pruning Mode : Disabled >> VTP V2 Mode : Disabled >> VTP Traps Generation : Disabled >> MD5 digest : 0xB6 0xAA 0xF9 0x6C 0xD2 0xC0 0x68 0x1A >> Configuration last modified by 155.30.7.7 at 3-1-93 04:36:39 >> >> ________________________________ >> From: Marko Milivojevic <[email protected]> >> To: karthk kumar <[email protected]> >> Cc: "Mills, Derek" <[email protected]>; >> "[email protected]" <[email protected]> >> Sent: Thursday, 15 March 2012 5:34 PM >> >> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >> question >> 9 >> >> At this point, other than asking you to somehow give me access to the >> switches so I can take a look myself, I have no ideas. >> >> Can you try changing VTP version on SW1? [really, a desperate move] >> >> -- >> Marko Milivojevic - CCIE #18427 (SP R&S) >> Senior CCIE Instructor - IPexpert >> >> On Thu, Mar 15, 2012 at 17:33, karthk kumar <[email protected]> >> wrote: >>> Hi Marko, >>> >>> I checked. password is not set on all switches. >>> Reload of all switches still hitting same issue. >>> VLANs are not progagated to clients that is my big trouble. >>> I created vlan on server and then watched debug output on sw3 and sw4. >>> They >>> didn't show immediately. Have to wait for a while. >>> >>> Anyways could be bug. Let me know if anything needs tried out. >>> >>> Thanks, >>> >>> Karthik. >>> >>> ________________________________ >>> From: Marko Milivojevic <[email protected]> >>> To: karthk kumar <[email protected]> >>> Cc: "Mills, Derek" <[email protected]>; >>> "[email protected]" <[email protected]> >>> Sent: Thursday, 15 March 2012 5:25 PM >>> >>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>> question >>> 9 >>> >>> Fair enough Could you check them anyway? >>> >>> At this stage, I believe a reload of something is in order ;-) >>> >>> Also - curious. Even though MD5 checksums are different, are the VLANs >>> you create being propagated to clients? >>> >>> The debug you sent above - was it captured when you created new VLAN >>> and exited the database, or did you just enable it and watched the >>> output? >>> >>> -- >>> Marko Milivojevic - CCIE #18427 (SP R&S) >>> Senior CCIE Instructor - IPexpert >>> >>> On Thu, Mar 15, 2012 at 17:11, karthk kumar <[email protected]> >>> wrote: >>>> Hi Marko, >>>> >>>> I haven't enabled any passwords. Here is the debug output from sw4 and >>>> sw3. >>>> Thanks. >>>> >>>> SW4# >>>> SW4# >>>> SW4# >>>> 03:51:51: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> 03:51:52: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> SW4# >>>> 03:51:54: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> SW3# >>>> 04:10:39: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> SW3# >>>> 04:10:41: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> SW3# >>>> 04:10:42: VTP LOG RUNTIME: Transmit vtp summary, domain CCIE, rev 11, >>>> followers 0, tlv blk size 8 (inc #tlv field), >>>> MD5 digest calculated = E1 92 86 29 E9 A5 D0 CC 6F 89 32 34 21 A0 C4 >>>> 6D >>>> >>>> ________________________________ >>>> From: Marko Milivojevic <[email protected]> >>>> To: karthk kumar <[email protected]> >>>> Cc: "Mills, Derek" <[email protected]>; >>>> "[email protected]" <[email protected]> >>>> Sent: Thursday, 15 March 2012 4:45 PM >>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>> question >>>> 9 >>>> >>>> OK, good. One thing out of the way. SW1 is relaying the message. How >>>> about the same debug on SW3-4? What do you see there? >>>> >>>> Btw. have you checked the passwords on SW2-4? >>>> >>>> -- >>>> Marko Milivojevic - CCIE #18427 (SP R&S) >>>> Senior CCIE Instructor - IPexpert >>>> >>>> On Thu, Mar 15, 2012 at 16:23, karthk kumar <[email protected]> >>>> wrote: >>>>> Hi Marko, >>>>> >>>>> Seeing this msg on sw1 with that debug. I forced them to trunk. But, >>>>> still >>>>> same issue. Please, let me know. >>>>> >>>>> SW1#sh debug >>>>> Generic VLAN Manager: >>>>> vtp events debugging is on >>>>> SW1# >>>>> SW1# >>>>> SW1# >>>>> SW1# >>>>> SW1# >>>>> 03:52:10: VTP LOG RUNTIME: Relaying packet received on trunk Fa0/19 - >>>>> in >>>>> TRANSPARENT MODE (nc = false) >>>>> >>>>> SW1# >>>>> One thing I noticed is while checking the port config continuous, I see >>>>> pruning cmd. Is it expected to see that?. Pruning is turned off >>>>> already. >>>>> >>>>> SW1#sh run int f0/13 >>>>> Building configuration... >>>>> >>>>> Current configuration : 107 bytes >>>>> ! >>>>> interface FastEthernet0/13 >>>>> switchport trunk encapsulation dot1q >>>>> switchport mode dynamic desirable >>>>> end >>>>> >>>>> SW1#sh run int f0/13 >>>>> Building configuration... >>>>> >>>>> Current configuration : 145 bytes >>>>> ! >>>>> interface FastEthernet0/13 >>>>> switchport trunk encapsulation dot1q >>>>> switchport trunk pruning vlan 2-1000 >>>>>>>>>>>>>>>>>>> >>>>> switchport mode dynamic desirable >>>>> end >>>>> >>>>> SW1#sh run int f0/13 >>>>> Building configuration... >>>>> >>>>> Current configuration : 107 bytes >>>>> ! >>>>> interface FastEthernet0/13 >>>>> switchport trunk encapsulation dot1q >>>>> switchport mode dynamic desirable >>>>> end >>>>> >>>>> SW1#sh run int f0/13 >>>>> Building configuration... >>>>> >>>>> Current configuration : 107 bytes >>>>> ! >>>>> interface FastEthernet0/13 >>>>> switchport trunk encapsulation dot1q >>>>> switchport mode dynamic desirable >>>>> >>>>> ________________________________ >>>>> From: Marko Milivojevic <[email protected]> >>>>> To: karthk kumar <[email protected]> >>>>> Cc: "Mills, Derek" <[email protected]>; >>>>> "[email protected]" <[email protected]> >>>>> Sent: Thursday, 15 March 2012 3:03 PM >>>>> >>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>> question >>>>> 9 >>>>> >>>>> I just labbed this up in ProctorLabs with 4 3560s running 12.2(46)SE >>>>> and I have no issues whatsoever. The transparent switch is passing on >>>>> the messages *if* STP was converged when the announcement happens. >>>>> >>>>> One thing that I notice is that your trunks on SW1 are "dynamic >>>>> desirable". Even though this shouldn't have anything to do with it >>>>> since their operational mode is trunking - have you tried actually >>>>> forcing trunks between switches? >>>>> >>>>> One last thing, what output do you get on SW1 when you enable "debug >>>>> sw-vlan vtp events" and create a new VLAN on SW2 and exit from VLAN >>>>> configuration mode? >>>>> >>>>> -- >>>>> Marko Milivojevic - CCIE #18427 (SP R&S) >>>>> Senior CCIE Instructor - IPexpert >>>>> >>>>> On Thu, Mar 15, 2012 at 14:57, karthk kumar <[email protected]> >>>>> wrote: >>>>>> Hi Marko, >>>>>> >>>>>> sh output posted below already for sw1. I am running 3560TS model >>>>>> switches >>>>>> with 12.2(44)SE6. One 3550 EMI running same IOS 12.2(44)SE6. Please, >>>>>> let >>>>>> me >>>>>> know. Thanks. >>>>>> >>>>>> SW1#sh int trunk >>>>>> >>>>>> Port Mode Encapsulation Status Native vlan >>>>>> Fa0/13 desirable 802.1q trunking 1 >>>>>> Fa0/14 desirable 802.1q trunking 1 >>>>>> Fa0/15 desirable 802.1q trunking 1 >>>>>> Fa0/16 desirable 802.1q trunking 1 >>>>>> Fa0/17 desirable 802.1q trunking 1 >>>>>> Fa0/18 desirable 802.1q trunking 1 >>>>>> Fa0/19 desirable 802.1q trunking 1 >>>>>> Fa0/20 desirable 802.1q trunking 1 >>>>>> Fa0/21 desirable 802.1q trunking 1 >>>>>> >>>>>> Port Vlans allowed on trunk >>>>>> Fa0/13 1-4094 >>>>>> Fa0/14 1-4094 >>>>>> Fa0/15 1-4094 >>>>>> Fa0/16 1-4094 >>>>>> Fa0/17 1-4094 >>>>>> Fa0/18 1-4094 >>>>>> Fa0/19 1-4094 >>>>>> Fa0/20 1-4094 >>>>>> Fa0/21 1-4094 >>>>>> >>>>>> Port Vlans allowed and active in management domain >>>>>> Fa0/13 1,7,43,58,67,79,146 >>>>>> Fa0/14 1,7,43,58,67,79,146 >>>>>> Fa0/15 1,7,43,58,67,79,146 >>>>>> Fa0/16 1,7,43,58,67,79,146 >>>>>> Fa0/17 1,7,43,58,67,79,146 >>>>>> Fa0/18 1,7,43,58,67,79,146 >>>>>> Fa0/19 1,7,43,58,67,79,146 >>>>>> Fa0/20 1,7,43,58,67,79,146 >>>>>> Fa0/21 1,7,43,58,67,79,146 >>>>>> >>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>> Fa0/13 7,43,58,67,79,146 >>>>>> Fa0/14 7,43,58,67,79,146 >>>>>> Fa0/15 7,43,58,67,79,146 >>>>>> Fa0/16 7,43,58,67,79,146 >>>>>> Fa0/17 7,43,58,67,79,146 >>>>>> Fa0/18 7,43,58,67,79,146 >>>>>> Fa0/19 1,7,43,58,67,79,146 >>>>>> Fa0/20 none >>>>>> Fa0/21 none >>>>>> SW1#sh vtp status >>>>>> VTP Version : running VTP2 >>>>>> Configuration Revision : 0 >>>>>> Maximum VLANs supported locally : 1005 >>>>>> Number of existing VLANs : 11 >>>>>> VTP Operating Mode : Transparent >>>>>> VTP Domain Name : CCIE >>>>>> VTP Pruning Mode : Disabled >>>>>> VTP V2 Mode : Enabled >>>>>> VTP Traps Generation : Disabled >>>>>> MD5 digest : 0xE9 0x1C 0x40 0xE8 0x44 0xDF 0x6E >>>>>> 0xE4 >>>>>> Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00 >>>>>> SW1# >>>>>> >>>>>> Thanks, >>>>>> >>>>>> Karthik. >>>>>> >>>>>> ________________________________ >>>>>> From: Marko Milivojevic <[email protected]> >>>>>> To: karthk kumar <[email protected]> >>>>>> Cc: "Mills, Derek" <[email protected]>; >>>>>> "[email protected]" <[email protected]> >>>>>> Sent: Thursday, 15 March 2012 2:45 PM >>>>>> >>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>> question >>>>>> 9 >>>>>> >>>>>> Can you please post "show interface trunk" output from SW1? >>>>>> >>>>>> Also, what model of switches and which IOS versions are you running? >>>>>> >>>>>> -- >>>>>> Marko Milivojevic - CCIE #18427 (SP R&S) >>>>>> Senior CCIE Instructor - IPexpert >>>>>> >>>>>> On Thu, Mar 15, 2012 at 14:25, karthk kumar <[email protected]> >>>>>> wrote: >>>>>>> SW1#sh vtp status >>>>>>> VTP Version : running VTP2 >>>>>>> >>>>>>> Configuration Revision : 0 >>>>>>> Maximum VLANs supported locally : 1005 >>>>>>> Number of existing VLANs : 11 >>>>>>> VTP Operating Mode : Transparent >>>>>>> VTP Domain Name : CCIE >>>>>>> VTP Pruning Mode : Disabled >>>>>>> VTP V2 Mode : Enabled >>>>>>> VTP Traps Generation : Disabled >>>>>>> MD5 digest : 0xE9 0x1C 0x40 0xE8 0x44 0xDF 0x6E >>>>>>> 0xE4 >>>>>>> Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00 >>>>>>> >>>>>>> Thanks, >>>>>>> >>>>>>> Karthik. >>>>>>> >>>>>>> ________________________________ >>>>>>> From: karthk kumar <[email protected]> >>>>>>> To: Marko Milivojevic <[email protected]>; "Mills, Derek" >>>>>>> <[email protected]> >>>>>>> Cc: "[email protected]" <[email protected]> >>>>>>> Sent: Thursday, 15 March 2012 2:20 PM >>>>>>> >>>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>>> question >>>>>>> 9 >>>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> Here is the topology. Pls let me know if missing anything. Thanks. >>>>>>> >>>>>>> sw1 (f0/13-15) -- trunk - sw2(f0/13-15) >>>>>>> sw1 (f0/16-18) -- trunk - sw3 (f0/13-15) >>>>>>> sw1 (f0/19-21) -- trunk - sw4 (f13-15) >>>>>>> >>>>>>> sw2 is server >>>>>>> sw3 and sw4 are clients >>>>>>> sw1 made vtp mode transparent >>>>>>> >>>>>>> 1. create vlan X on sw2 >>>>>>> 2. it should go to sw1 (transparent) not learn but fwd them to sw3 >>>>>>> and >>>>>>> sw4 >>>>>>> >>>>>>> Issue: >>>>>>> sw3 and sw4 are not learning vlan X. >>>>>>> >>>>>>> Trunks are formed. Domain name is matched. Enabled debugs but clients >>>>>>> are >>>>>>> not updating vtp database from server. >>>>>>> >>>>>>> Outputs: >>>>>>> >>>>>>> sw2 server >>>>>>> SW2#sh vtp status >>>>>>> VTP Version : running VTP2 >>>>>>> Configuration Revision : 9 >>>>>>> Maximum VLANs supported locally : 1005 >>>>>>> Number of existing VLANs : 22 >>>>>>> VTP Operating Mode : Server >>>>>>> VTP Domain Name : CCIE >>>>>>> VTP Pruning Mode : Disabled >>>>>>> VTP V2 Mode : Enabled >>>>>>> VTP Traps Generation : Disabled >>>>>>> MD5 digest : 0x15 0x4D 0x3A 0xF8 0xC5 0x96 0x09 >>>>>>> 0x49 >>>>>>> Configuration last modified by 155.30.8.8 at 3-2-93 18:38:03 >>>>>>> Local updater ID is 155.30.8.8 on interface Vl8 (lowest numbered VLAN >>>>>>> interface found) >>>>>>> SW2# >>>>>>> SW2# >>>>>>> SW2#sh int f0/13 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/13 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/13 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-129,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-129,146 >>>>>>> SW2#sh int f0/14 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/14 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/14 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/14 1,5,7-10,22,43,58,67,79,124-129,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/14 1,5,8-10,22,124-129 >>>>>>> >>>>>>> SW2#sh int f0/15 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/15 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/15 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/15 1,5,7-10,22,43,58,67,79,124-129,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/15 1,5,8-10,22,124-129 >>>>>>> SW2# >>>>>>> ====== >>>>>>> SW1#sh int trunk >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/13 desirable 802.1q trunking 1 >>>>>>> Fa0/14 desirable 802.1q trunking 1 >>>>>>> Fa0/15 desirable 802.1q trunking 1 >>>>>>> Fa0/16 desirable 802.1q trunking 1 >>>>>>> Fa0/17 desirable 802.1q trunking 1 >>>>>>> Fa0/18 desirable 802.1q trunking 1 >>>>>>> Fa0/19 desirable 802.1q trunking 1 >>>>>>> Fa0/20 desirable 802.1q trunking 1 >>>>>>> Fa0/21 desirable 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/13 1-4094 >>>>>>> Fa0/14 1-4094 >>>>>>> Fa0/15 1-4094 >>>>>>> Fa0/16 1-4094 >>>>>>> Fa0/17 1-4094 >>>>>>> Fa0/18 1-4094 >>>>>>> Fa0/19 1-4094 >>>>>>> Fa0/20 1-4094 >>>>>>> Fa0/21 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/13 1,7,43,58,67,79,146 >>>>>>> Fa0/14 1,7,43,58,67,79,146 >>>>>>> Fa0/15 1,7,43,58,67,79,146 >>>>>>> Fa0/16 1,7,43,58,67,79,146 >>>>>>> Fa0/17 1,7,43,58,67,79,146 >>>>>>> Fa0/18 1,7,43,58,67,79,146 >>>>>>> Fa0/19 1,7,43,58,67,79,146 >>>>>>> Fa0/20 1,7,43,58,67,79,146 >>>>>>> Fa0/21 1,7,43,58,67,79,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/13 7,43,58,67,79,146 >>>>>>> Fa0/14 7,43,58,67,79,146 >>>>>>> Fa0/15 7,43,58,67,79,146 >>>>>>> Fa0/16 7,43,58,67,79,146 >>>>>>> Fa0/17 7,43,58,67,79,146 >>>>>>> Fa0/18 7,43,58,67,79,146 >>>>>>> Fa0/19 1,7,43,58,67,79,146 >>>>>>> Fa0/20 none >>>>>>> Fa0/21 none >>>>>>> SW1# >>>>>>> ====== >>>>>>> SW3#sh vtp status >>>>>>> VTP Version : running VTP2 >>>>>>> Configuration Revision : 5 >>>>>>> Maximum VLANs supported locally : 1005 >>>>>>> Number of existing VLANs : 18 >>>>>>> VTP Operating Mode : Client >>>>>>> VTP Domain Name : CCIE >>>>>>> VTP Pruning Mode : Disabled >>>>>>> VTP V2 Mode : Enabled >>>>>>> VTP Traps Generation : Disabled >>>>>>> MD5 digest : 0xF5 0xDB 0xB5 0xDC 0x36 0xF8 0xF3 >>>>>>> 0x30 >>>>>>> Configuration last modified by 155.30.8.8 at 3-2-93 18:09:58 >>>>>>> SW3# >>>>>>> SW3#sh int f0/13 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/13 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/13 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> SW3#sh int f0/14 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/14 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/14 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/14 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/14 1,5,8-10,22,124-125 >>>>>>> SW3#sh int f0/15 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/15 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/15 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/15 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/15 1,5,8-10,22,124-125 >>>>>>> ====== >>>>>>> W4#sh vtp status >>>>>>> VTP Version : running VTP2 >>>>>>> Configuration Revision : 5 >>>>>>> Maximum VLANs supported locally : 1005 >>>>>>> Number of existing VLANs : 18 >>>>>>> VTP Operating Mode : Client >>>>>>> VTP Domain Name : CCIE >>>>>>> VTP Pruning Mode : Disabled >>>>>>> VTP V2 Mode : Enabled >>>>>>> VTP Traps Generation : Disabled >>>>>>> MD5 digest : 0xF5 0xDB 0xB5 0xDC 0x36 0xF8 0xF3 >>>>>>> 0x30 >>>>>>> Configuration last modified by 155.30.8.8 at 3-2-93 18:09:58 >>>>>>> SW4# >>>>>>> SW4#sh int f0/13 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/13 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/13 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/13 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> SW4#sh int f0/14 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/14 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/14 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/14 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/14 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> SW4#sh int f0/15 tru >>>>>>> >>>>>>> Port Mode Encapsulation Status Native vlan >>>>>>> Fa0/15 auto 802.1q trunking 1 >>>>>>> >>>>>>> Port Vlans allowed on trunk >>>>>>> Fa0/15 1-4094 >>>>>>> >>>>>>> Port Vlans allowed and active in management domain >>>>>>> Fa0/15 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> >>>>>>> Port Vlans in spanning tree forwarding state and not pruned >>>>>>> Fa0/15 1,5,7-10,22,43,58,67,79,124-125,146 >>>>>>> ________________________________ >>>>>>> From: Marko Milivojevic <[email protected]> >>>>>>> To: "Mills, Derek" <[email protected]> >>>>>>> Cc: karthk kumar <[email protected]>; >>>>>>> "[email protected]" >>>>>>> <[email protected]> >>>>>>> Sent: Thursday, 15 March 2012 1:57 PM >>>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>>> question >>>>>>> 9 >>>>>>> >>>>>>> The topology diagram would also be of some value at this point. >>>>>>> >>>>>>> My guess is that you have mismatched domains. >>>>>>> >>>>>>> -- >>>>>>> Marko Milivojevic - CCIE #18427 (SP R&S) >>>>>>> Senior CCIE Instructor - IPexpert >>>>>>> >>>>>>> On Thu, Mar 15, 2012 at 13:52, Mills, Derek >>>>>>> <[email protected]> wrote: >>>>>>>> How about showing us "SHOW VTP STATUS" on the server switch and then >>>>>>>> the >>>>>>>> client switch, together in a response. >>>>>>>> >>>>>>>> >>>>>>>> DEREK >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: [email protected] >>>>>>>> [mailto:[email protected]] On Behalf Of karthk >>>>>>>> kumar >>>>>>>> Sent: Thursday, March 15, 2012 1:57 PM >>>>>>>> To: Marko Milivojevic >>>>>>>> Cc: [email protected] >>>>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>>>> question 9 >>>>>>>> >>>>>>>> Hi Marko, >>>>>>>> >>>>>>>> It is expected behavior for sw1 which is transparent mode. But for >>>>>>>> other >>>>>>>> switches that are client mode sw3 and sw4, I must see the vlan that >>>>>>>> was >>>>>>>> added on sw2 server mode right?. That is not happening now. >>>>>>>> >>>>>>>> >>>>>>>> Thanks, >>>>>>>> >>>>>>>> Karthik. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ________________________________ >>>>>>>> From: Marko Milivojevic <[email protected]> >>>>>>>> To: karthk kumar <[email protected]> >>>>>>>> Cc: Zak Dandashi <[email protected]>; >>>>>>>> "[email protected]" >>>>>>>> <[email protected]> >>>>>>>> Sent: Thursday, 15 March 2012 11:53 AM >>>>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>>>> question 9 >>>>>>>> >>>>>>>> MD5 checksum is the checksum over the VTP database. Transparent VTP >>>>>>>> will not be updated by the server-made changes - that's the whole >>>>>>>> point of the transparent VTP. Behavior you are observing is an >>>>>>>> expected one. >>>>>>>> >>>>>>>> -- >>>>>>>> Marko Milivojevic - CCIE #18427 (SP R&S) >>>>>>>> Senior CCIE Instructor - IPexpert >>>>>>>> >>>>>>>> On Thu, Mar 15, 2012 at 10:48, karthk kumar <[email protected]> >>>>>>>> wrote: >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>> I have vtp version running as 2. Even though I enabled it globally >>>>>>>>> I >>>>>>>>> am >>>>>>>>> still facing issue. >>>>>>>>> >>>>>>>>> To explain clearly. >>>>>>>>> >>>>>>>>> sw1 is in transparent mode >>>>>>>>> sw2 is in server mode >>>>>>>>> sw3 and sw4 are in client mode >>>>>>>>> >>>>>>>>> Once I changed sw1 to transparent md5 on sw1 doesnt match to that >>>>>>>>> on >>>>>>>>> sw2. >>>>>>>>> Also, since sw2 is server mode, when I created a vlan it supposed >>>>>>>>> to >>>>>>>>> propagate to other switches in client mode that is sw3 and sw4. >>>>>>>>> But, >>>>>>>>> I >>>>>>>>> don't >>>>>>>>> see that happening when sw1 is in transparent mode. >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> SW1#sh vtp status >>>>>>>>> VTP Version : 2 >>>>>>>>> Configuration Revision : 0 >>>>>>>>> Maximum VLANs supported locally : 1005 >>>>>>>>> Number of existing VLANs : 11 >>>>>>>>> VTP Operating Mode : Transparent >>>>>>>>> VTP Domain Name : CCIE >>>>>>>>> VTP Pruning Mode : Disabled >>>>>>>>> VTP V2 Mode : Enabled >>>>>>>>> VTP Traps Generation : Disabled >>>>>>>>> MD5 digest : 0xC4 0x17 0x67 0xE6 0xB0 0x6D >>>>>>>>> 0xF0 >>>>>>>>> 0x38 >>>>>>>>> Configuration last modified by 155.30.37.7 at 3-2-93 18:09:58 >>>>>>>>> SW1# >>>>>>>>> SW1#sh vlan id 126 >>>>>>>>> VLAN id 126 not found in current VLAN database >>>>>>>>> SW1#conf t >>>>>>>>> Enter configuration commands, one per line. End with CNTL/Z. >>>>>>>>> SW1(config)#vtp vers >>>>>>>>> SW1(config)#vtp version 2 >>>>>>>>> VTP mode already in V2. >>>>>>>>> SW1(config)# >>>>>>>>> >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> >>>>>>>>> Karthik. >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> ________________________________ >>>>>>>>> From: Zak Dandashi <[email protected]> >>>>>>>>> To: karthk kumar <[email protected]> >>>>>>>>> Cc: "[email protected]" <[email protected]> >>>>>>>>> Sent: Wednesday, 14 March 2012 10:56 PM >>>>>>>>> Subject: Re: [OSL | CCIE_RS] VTP mode transparent changed md5 vol 1 >>>>>>>>> question 9 >>>>>>>>> >>>>>>>>> >>>>>>>>> Kumar, >>>>>>>>> >>>>>>>>> try to enable vtp v2 as it is disabled. >>>>>>>>> >>>>>>>>> VTP Version reflects the capabilities of the device/code >>>>>>>>> revision; VTP >>>>>>>>> V2 >>>>>>>>> Mode reflects the vtp version it is currently configured to >>>>>>>>> operate in. >>>>>>>>> >>>>>>>>> Your output shows a device that is capable of running Version 2, >>>>>>>>> but >>>>>>>>> is >>>>>>>>> running Version 1 currently, you can move it into version 2 by >>>>>>>>> entering >>>>>>>>> the >>>>>>>>> "vtp version 2" command in global configuration mode. >>>>>>>>> >>>>>>>>> >>>>>>>>> regards, >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On Thu, Mar 15, 2012 at 8:30 AM, karthk kumar >>>>>>>>> <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>> Hi, >>>>>>>>>> >>>>>>>>>>When configuring sw2 as transparent mode, seeing that md5 is not >>>>>>>>>> matched >>>>>>>>>> on the switches and any creation of vlan on sw1 i.e. server is not >>>>>>>>>> propagation vtp updates to sw3 and sw4. If I change sw2 to client, >>>>>>>>>> md5 >>>>>>>>>> shows correct on all switches and sw3 and sw4 learn vlan created >>>>>>>>>> on >>>>>>>>>> sw2 >>>>>>>>>> (server). Am I missing anything?. Please, let me know. >>>>>>>>>> >>>>>>>>>>SW2#sh vtp status >>>>>>>>>>VTP Version : 2 >>>>>>>>>>Configuration Revision : 4 >>>>>>>>>>Maximum VLANs supported locally : 1005 >>>>>>>>>>Number of existing VLANs : 18 >>>>>>>>>>VTP Operating Mode : Server >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>VTP Domain Name : CCIE >>>>>>>>>>VTP Pruning Mode : Disabled >>>>>>>>>>VTP V2 Mode : Disabled >>>>>>>>>>VTP Traps Generation : Disabled >>>>>>>>>>MD5 digest : 0x3C 0xAF 0xD7 0xFB 0xB5 0x11 >>>>>>>>>> 0xB4 >>>>>>>>>> 0x4B >>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>Configuration last modified by 155.30.8.8 at 3-2-93 05:38:01 >>>>>>>>>>Local updater ID is 155.30.8.8 on interface Vl8 (lowest numbered >>>>>>>>>> VLAN >>>>>>>>>> interface found) >>>>>>>>>>SW2# >>>>>>>>>>SW2# >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>SW1#sh vtp status >>>>>>>>>>VTP Version : 2 >>>>>>>>>>Configuration Revision : 0 >>>>>>>>>>Maximum VLANs supported locally : 1005 >>>>>>>>>>Number of existing VLANs : 11 >>>>>>>>>>VTP Operating Mode : Transparent >>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>VTP Domain Name : CCIE >>>>>>>>>>VTP Pruning Mode : Disabled >>>>>>>>>>VTP V2 Mode : Disabled >>>>>>>>>>VTP Traps Generation : Disabled >>>>>>>>>>MD5 digest : 0x9B 0x27 0x73 0x7F 0xB4 0xB1 >>>>>>>>>> 0xD3 >>>>>>>>>> 0x29 >>>>>>>>>> ==========>>>>>>> >>>>>>>>>>Configuration last modified by 155.30.37.7 at 3-2-93 03:10:45 >>>>>>>>>>SW1#conf t >>>>>>>>>>Enter configuration commands, one per line. End with CNTL/Z. >>>>>>>>>>SW1(config)#vtp mod clie >>>>>>>>>>Setting device to VTP CLIENT mode. >>>>>>>>>>SW1(config)# >>>>>>>>>>+++++ >>>>>>>>>>AFter changing to client. md5 matches >>>>>>>>>>+++++ >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>SW1#sh vtp status >>>>>>>>>>VTP Version : 2 >>>>>>>>>>Configuration Revision : 4 >>>>>>>>>>Maximum VLANs supported locally : 1005 >>>>>>>>>>Number of existing VLANs : 18 >>>>>>>>>>VTP Operating Mode : Client >>>>>>>>>>VTP Domain Name : CCIE >>>>>>>>>>VTP Pruning Mode : Disabled >>>>>>>>>>VTP V2 Mode : Disabled >>>>>>>>>>VTP Traps Generation : Disabled >>>>>>>>>>MD5 digest : 0x3C 0xAF 0xD7 0xFB 0xB5 0x11 >>>>>>>>>> 0xB4 >>>>>>>>>> 0x4B >>>>>>>>>>Configuration last modified by 155.30.8.8 at 3-2-93 05:38:01 >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>Thanks, >>>>>>>>>> >>>>>>>>>>Karthik. >>>>>>>>>>_______________________________________________ >>>>>>>>>>For more information regarding industry leading CCIE Lab training, >>>>>>>>>> please >>>>>>>>>> visit www.ipexpert.com >>>>>>>>>> >>>>>>>>>>Are you a CCNP or CCIE and looking for a job? Check out >>>>>>>>>> www.PlatinumPlacement.com >>>>>>>>>> >>>>>>>>>>http://onlinestudylist.com/mailman/listinfo/ccie_rs >>>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> For more information regarding industry leading CCIE Lab training, >>>>>>>>> please >>>>>>>>> visit www.ipexpert.com >>>>>>>>> >>>>>>>>> Are you a CCNP or CCIE and looking for a job? Check out >>>>>>>>> www.PlatinumPlacement.com >>>>>>>>> >>>>>>>>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >>>>>>>> _______________________________________________ >>>>>>>> For more information regarding industry leading CCIE Lab training, >>>>>>>> please >>>>>>>> visit www.ipexpert.com >>>>>>>> >>>>>>>> Are you a CCNP or CCIE and looking for a job? Check out >>>>>>>> www.PlatinumPlacement.com >>>>>>>> >>>>>>>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- >>>>>>>> Anheuser-Busch InBev Email Disclaimer www.ab-inbev.com >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> >>> >>> >> >> > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
