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VTP Domain Failure

Eloy Pascal
Level 1
Level 1

‎05-23-2007 09:42 AM - edited ‎03-05-2019 04:15 PM

I have a WS-C2950-24 that does not read the VLAN domain from its VTP Server, this is the output:

sh vtp status

VTP Version : 2

Configuration Revision : 0

Maximum VLANs supported locally : 64

Number of existing VLANs : 7

VTP Operating Mode : Client

VTP Domain Name : XXX

VTP Pruning Mode : Disabled

VTP V2 Mode : Disabled

VTP Traps Generation : Disabled

MD5 digest : 0xB6 0xC2 0x8B 0xBB 0x79 0x5D 0x0A 0x93

Another Output:

sh vlan

VLAN Name Status Ports

---- -------------------------------- --------- -------------------------------

1 default active

4 VLAN0004 active Fa0/12, Fa0/21, Fa0/22, Fa0/23

12 VLAN0012 active Fa0/1, Fa0/2, Fa0/3, Fa0/4, Fa0/5, Fa0/6, Fa0/7, Fa0/8, Fa0/9, Fa0/10, Fa0/11

Fa0/13, Fa0/14, Fa0/15, Fa0/16, Fa0/17, Fa0/18, Fa0/20

1002 fddi-default act/unsup

1003 token-ring-default act/unsup

1004 fddinet-default act/unsup

1005 trnet-default act/unsup

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2

---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------

1 enet 100001 1500 - - - - - 0 0

4 enet 100004 1500 - - - - - 0 0

12 enet 100012 1500 - - - - - 0 0

1002 fddi 101002 1500 - - - - - 0 0

1003 tr 101003 1500 - - - - - 0 0

1004 fdnet 101004 1500 - - - ieee - 0 0

1005 trnet 101005 1500 - - - ibm - 0 0

Remote SPAN VLANs

------------------------------------------------------------------------------

Primary Secondary Type Ports

------- --------- ----------------- ------------------------------------------

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2 Replies 2

Amit Singh
Cisco Employee
Cisco Employee

‎05-23-2007 09:49 AM

Eloy,

There could be several reasons for this.

1. Check if you have the same domain name configured on all the switches.

2. Check if your trunk ports are properly comfigured and working fine.

3. Check if there is any VTP password configured on the VTP server and has to be same on the VTP domain clients. To check this compare " show VTP counters " on both the switches and see if you are getting any " message digest errors ".

Please paste the switch configurations and also " show VTP status " and " Show VTP counters " from both the switches.

HTH,Please rate if it does.

-amit singh

0 Helpful

glen.grant
VIP Alumni
VIP Alumni
In response to Amit Singh

‎05-23-2007 12:57 PM

As Amit indicated the usual reasons are that the vtp domain name and if it has a password do not match exactly . They must match exactly including upper and lower case .

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