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.
On Thu, Mar 15, 2012 at 2:22 PM, karthik thatikonda
<get2explore_at_gmail.com>wrote:
> Hi,
>
>
> Here is the topology. Please let me know. I tried reload and enabled
> debugs but didn't help. Missing anything here?.
>
>
> 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
>
>
>
>
>
> On Thu, Mar 15, 2012 at 1:49 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:
>
>> Karthik,
>> there are some discussions pointing that a transparent switch in v2 (or
>> v1) is only transparent when the domains match, or when the transparent
>> switch has a null domain. Your remark on the MD5 hash is an interesting
>> one. May be the transparent switch is just dropping the messages (bug ?)
>>
>> Try clearing the domain to see if that helps...
>> -Carlos
>>
>> karthik thatikonda @ 15/03/2012 14:51 -0300 dixit:
>>
>>> To explain clearly.
>>>
>>> trunks are configured between sw1 to sw2, sw3 and sw4.
>>>
>>> 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 doesn't 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)#
>>>
>>> ===
>>>
>>> SW2(config)#vl 126
>>> SW2(config-vlan)#
>>> SW2#
>>> SW2#
>>> SW2#
>>> SW2#
>>> SW2#
>>> 1d18h: %SYS-5-CONFIG_I: Configured from console by console
>>> SW2#sh vl id 126
>>>
>>> VLAN Name Status Ports
>>> ---- ------------------------------**-- ---------
>>> ------------------------------**-
>>> 126 VLAN0126 active Fa0/13, Fa0/14, Fa0/15
>>>
>>> VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1
>>> Trans2
>>> ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------
>>> ------
>>> 126 enet 100126 1500 - - - - - 0 0
>>>
>>> Remote SPAN VLAN
>>> ----------------
>>> Disabled
>>>
>>> Primary Secondary Type Ports
>>> ------- --------- -----------------
>>> ------------------------------**------------
>>>
>>> SW2#
>>> SW2#sh vtp status
>>> VTP Version : 2
>>> Configuration Revision : 6
>>> Maximum VLANs supported locally : 1005
>>> Number of existing VLANs : 19
>>> VTP Operating Mode : Server
>>> VTP Domain Name : CCIE
>>> VTP Pruning Mode : Disabled
>>> VTP V2 Mode : Enabled
>>> VTP Traps Generation : Disabled
>>> MD5 digest : 0xA0 0x68 0x07 0x2C 0xB9 0xF2 0xFA 0x6B
>>> Configuration last modified by 155.30.8.8 at 3-2-93 18:12:06
>>> Local updater ID is 155.30.8.8 on interface Vl8 (lowest numbered VLAN
>>> interface found)
>>> SW2#
>>> SW2#
>>> SW2#
>>>
>>>
>>> ====
>>>
>>> SW4# sh vl | i ^126
>>> SW4#sh vl id 126
>>> VLAN id 126 not found in current VLAN database
>>> SW4#sh vtp status
>>> VTP Version : 2
>>> 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
>>>
>>>
>>> Thanks,
>>>
>>>
>>> Karthik.
>>>
>>>
>>> On Wed, Mar 14, 2012 at 10:31 PM, karthik thatikonda
>>> <get2explore_at_gmail.com>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.
>>>>
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> ______________________________**______________________________**
>>> ___________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/**list/CCIELab.html<http://www.groupstudy.com/list/CCIELab.html>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>> --
>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
Blogs and organic groups at http://www.ccie.net
Received on Thu Mar 15 2012 - 14:24:28 ART
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