http://www.cisco.com/en/US/tech/tk389/tk689/technologies_configuration_example09186a008009478e.shtml#vlan1003
VLAN Creation Fails with VLAN 1003 parent VLAN missing Error Message Switch#*conf t* Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#*vlan 102* Switch(config-vlan)#*name marketing* Switch(config-vlan)#*exit* *VLAN 1003 parent VLAN missing APPLY VLAN changes failed.* Switch(config)#*end* Switch# A misconfiguration on a switch can cause the configuration updates of the VTP to fail. In most cases, the problem is that the new VLAN created in the VTP server switch does not propagate to the VTP client switches, which creates host connectivity issues. A common cause for this issue is a VTP version mismatch between the switches in a VTP domain. VTP version 1 and VTP version 2 are not interoperable on the network devices in the same VTP domain. A VTP version 2 capable network device can operate with a network device that runs VTP version 1, provided that VTP version 2 is disabled on the VTP version 2 capable network device. VTP version 2 is disabled by default. Every network device in the VTP domain must use the same VTP version. Verify the VTP version that runs on a switch. If VTP version 2 is enabled, disable it in order to resolve this issue. Verify if the switch is configured properly for other VTP parameters: - Verify that the switches are connected through trunk links, because VTP updates are only exchanged over trunk links. - Verify that the VTP domain name is exactly the same on the appropriate switches. The name is case sensitive. The VTP updates are only exchanged between switches in the same VTP domain. - Verify that the VTP password is exactly the same on all the switches in the domain. The password is case sensitive. If a password is configured, it must be configured on all switches in the domain and the password must be the same. In case of a VTP convergence issue, where a VTP client does not update the VLAN information, the workaround is to force a VTP convergence by the creation, then the removal of a dummy VLAN on the VTP server. This increments the revision number and forces all VTP clients to update their VLAN database. On Wed, Nov 24, 2010 at 7:40 PM, Amer Mustafa <[email protected]> wrote: > Can anyone advice : > > i am trying to create vlan 666 on Cat1 in proctorlanbs : > > Cat3550-1(config)# > Cat3550-1(config)#vlan 666 > Cat3550-1(config-vlan)#exit > VLAN 1003 parent VLAN missing > APPLY VLAN changes failed. > Cat3550-1(config)# > > its giving me this error : > VLAN 1003 parent VLAN missing > APPLY VLAN changes failed. > > what is the reason ? > > thanks > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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