Vtp domain currently not in updating state
Two methods via which a switch can be configured within the VTP domain are dynamic domain assignment and, the most common method, manual configuration.Dynamic VTP domain configuration occurs on switches that have no default VTP domain configured, the no-management-domain state.This is performed by manually configuring the VTP domain name on each individual switch that will be in that domain via the vtp domain [name] global configuration command; The VTP domain can be any ASCII string from 1 to 32 characters.In addition to this, it is also important to remember that the domain name is case sensitive.Once configured, the VTP domain, as well as other VTP parameters can be viewed by issuing the show vtp status; is the default VTP mode for all Cisco switches.The VTP server controls VLAN creation, modification, and deletion for their respective VTP domain.Switches transmit VTP summary advertisements over the management VLAN (VLAN 1 by default) using a Layer 2 multicast frame every 5 minutes.
Let’s create a private VLAN: SW1(config)#vlan 501 SW1(config-vlan)#private-vlan community SW1(config)#vlan 502 SW1(config-vlan)#private-vlan isolated SW1(config)#vlan 500 SW1(config-vlan)#private-vlan primary SW1(config-vlan)#private-vlan association add 501 SW1(config-vlan)#private-vlan association add 502 No problem, it has been synchronized to all switches. In the past you had to configure each switch seperately. Take a look below: SW1#show vtp status VTP Version capable : 1 to 3 VTP version running : 3 VTP Domain Name : NWL VTP Pruning Mode : Disabled VTP Traps Generation : Disabled Device ID : 0019.569d.5700 Feature VLAN: -------------- VTP Operating Mode : Primary Server Number of existing VLANs : 12 Number of existing extended VLANs : 1 Configuration Revision : 7 Primary ID : 0019.569d.5700 Primary Description : SW1 MD5 digest : 0x C9 0x25 0x B3 0x86 0x E7 0x A1 0x E3 0x AE 0x F8 0x2F 0x B9 0x7F 0x64 0x B3 0x43 0x5F The default “VLAN” feature is used for the things we did before…VLANs, extended range VLANs, private VLANs and RSPAN.This means that VTP clients cannot modify or store the VTP database in NVRAM.Also VTP clients can receive VLAN information only from VTP server switches within the same VTP domain.To synchronize MST information we have to use the “MST” feature.As you can see the VTP mode for this feature is currently transparent.
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It’s been around for a while but until recent IOS versions it wasn’t supported on Cisco Catalyst Switches.