Client
unable to add VLANS can forward VLAN information to other swithces in the same VTP domain
A switch running in VTP Transparent mode will not participate in VLAN synchronization. With VTP version 2, it will forward VLAN traffic out its trunk interfaces.
It issues an advertisement request for new VLAN information.
A VLAN is a virtual LAN. In technical terms, a VLAN is a broadcast domain created by switches. Normally, it is a router creating that broadcast domain. With VLANs, a switch can create the broadcast domain. This works by, you, the administrator, putting some switch ports in a VLAN other than 1, the default VLAN. All ports in a single VLAN are in a single broadcast domain. Because switches can talk to each other, some ports on switch A can be in VLAN 10 and other ports on switch B can be in VLAN 10. Broadcasts between these devices will not be seen on any other port in any other VLAN, other than 10. However, these devices can all communicate because they are on the same VLAN. Without additional configuration, they would not be able to communicate with any other devices, not in their VLAN.
- TheVLANs may be named.- The network administrator may create the VLANs in either global configuration mode or VLAN database mode.
server mode Answer by: sean_zhank
Client
It does. But only when the client is just introduced in the network. A summary/subset advertised is only send by the server-mode switch if there is a change in its vlan database which will affect the configuration revision no., or if the timer expires (5 mins). However, if a client-mode switch comes in the network or boots up, it will send a summary advertisement to all the other switches. Once it receives a summary advertisement from the server, it knows that it has a higher revision no. and immediately a subsert information which contains its vlan database. This the server with lower configuration no. will accept and flush its vlan database and accept the database of the client. This is because the summary or subset information does not say whether it is sent by the client or the server.
Transparent mode
To remove Fast Ethernet port fa01 from VLAN 2 and assign it to VLAN 3, the network administrator should first enter the interface configuration mode for the port by typing interface fa01. Then, the command switchport access vlan 3 should be executed to change the port's VLAN assignment. This action automatically removes the port from VLAN 2, as a port can only belong to one VLAN at a time in access mode. Finally, the changes can be saved with the write memory or copy running-config startup-config command.
unable to add VLANS can forward VLAN information to other swithces in the same VTP domain
A switch running in VTP Transparent mode will not participate in VLAN synchronization. With VTP version 2, it will forward VLAN traffic out its trunk interfaces.
VTP transparent mode allows a switch to forward VTP advertisements but does not participate in the VTP domain. This mode is useful when you want to maintain VLAN information locally without affecting the rest of the VTP domain.
It issues an advertisement request for new VLAN information.
A VLAN is a virtual LAN. In technical terms, a VLAN is a broadcast domain created by switches. Normally, it is a router creating that broadcast domain. With VLANs, a switch can create the broadcast domain. This works by, you, the administrator, putting some switch ports in a VLAN other than 1, the default VLAN. All ports in a single VLAN are in a single broadcast domain. Because switches can talk to each other, some ports on switch A can be in VLAN 10 and other ports on switch B can be in VLAN 10. Broadcasts between these devices will not be seen on any other port in any other VLAN, other than 10. However, these devices can all communicate because they are on the same VLAN. Without additional configuration, they would not be able to communicate with any other devices, not in their VLAN.
Configure the VTP mode of the switch to transparent. Configure the switch with the same VTP domain name as other switches in the network.
- TheVLANs may be named.- The network administrator may create the VLANs in either global configuration mode or VLAN database mode.