Configure the correct VTP domain name and password on the new switch. **. 11-02-2020 08:47 AM. Is it possible to setup multiple VTP Domains (seperate domain. And all of them is in one VTP domain. This command is optional for modes other than server mode. has proved to be a solution in most cases) or a bug (i. A VTP domain (also called a VLAN management domain) is made up of one or more network devices that share the same VTP domain name and that are. "vtp domain. joshuaje1. When adopting more modern. It is used to store and exchange the VLAN information with multiple switches throughout the network. avoid to reach STP convergence to whole layer 2. VTP is a Cisco proprietary method of. vtp domain domain-name. (VLAN IDs 1 and 1002 to 1005 are automatically created and cannot be removed. The best practice is that. Switch(config)#VTP password cisco. This section provides some guidelines for the configuration of VTP in the network. With VTP V1 and V2 it is not possible to completely disable VTP on Cisco switches; the best you can do is to place the switch in the VTP transparent mode. Configuring basic VTP on CISCO Switches. Hello, As other friends here have already indicated, you can try to use the show vtp password command in the privileged mode. Each switch synchronizes its configuration to. To enable VTP, you need to configure the VTP domain and, optionally, the VTP mode and VTP password. After using the command erase startup-config and reloading the switch, the administrator finds that. With VTP Versions 1 and 2, you cannot change the VTP mode to client or server if. In addition to what Soroush already said, usually when you configure a switch in transparent mode you don't want to be part of VTP domain, so you don't configure domain name, password , etc. VTP server. If the device is in VTP server or VTP transparent mode, you can add, modify or remove configurations for VLANs 2 to 1001 in the VLAN database. VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates the definition of Virtual Local Area Networks on the whole local area network. Please rate all posts† Before installing a redundant supervisor engine, enter the no vtp file command to return to the default configuration. Again change the VTP domain name back to initial domain name. The VLAN Trunking Protocol (VTP) is used to manage the configuration of switches that are part of a VTP management domain, as we learned in Chapter 3. Some VTP commands you can run in exec mode and don’t need to be in global config. The vtp transparent command disables VTP from the domain but does not remove the domain from the switch. Le protocole de jonction VLAN (VTP) réduit la gestion dans un réseau commuté. )In VTP server mode, you can create, modify, and delete VLANs, and specify other configuration parameters (such as the VTP version) for the entire VTP domain. dat and reload. All switches under a VTP domain. show vtp status. If the device is in VTP server or VTP transparent mode, you can add, modify or remove configurations for VLANs 2 to 1001 in the VLAN database. The 6509's as the servers and all other switches as clients. vtp domain "domain name" vtp version 3 vtp mode off int g1/1/1 (e. If VLAN 120 is present on the trunk , it should forward that traffic regardless of VTP. (VLAN IDs 1 and 1002 to 1005 are automatically created and cannot be removed. 2SX train. Options. Delete vlan. Good luck, A VTP domain includes one or more network switches that share the same VTP domain name and that are connected with trunk interfaces. This is simply how VTP operates. VTP Server automatically propagates the new VLAN information, via VTP messages, to all of the other switches in the network. is lower than the configurationrevision number of the other devices in the VTP domain. I usually set the above filter, and then allow pruning to remove any vlan that is included in the above range (thus maintaing the desired security), but not effectively used. Create VLANs¶. VTPの設定と確認 2-4-1. 2- To implement VTP in transparent mode and configure vlans on required switches. The VLAN information is stored in NVRAM and it’s not lost after a reboot. Step 2. Jon. Enabling VTP pruning on a VTP server enables pruning for the entire management domain. Like Liked Unlike Reply. If you require communication between VLANs, you must use a Layer 3 routing device, such as an external Cisco router or an internal router module. VTP server. VTP pruning is a global command and affects all the switches in the VTP domain. Received VTP update is ignored if it does not match a switch's domain name. Filename and Location. I thought at first just remove "vlan. The command "del vlan. Because VLAN IDs 1 to 1005 are global in the VTP domain and can be defined on other network devices in the VTP domain, you can use only extended range VLANs with subinterfaces in VTP client or server mode. •- Come back to your VTP domain name. 0/24. : D. show vtp status. This view is in the Tree View in the Topology Services Main Window. 따라서 모든 위치에서 동일한 VLAN을 설정할 필요가 없습니다. if you looking to remove VTP Server, then make Switch VTP Tranparent and create all VLAN Locally so you minimise the downtime. load the boot loader from ROM. VTP minimizes misconfigurations and configuration inconsistencies that can result in a number of problems, such as duplicate VLAN names, incorrect VLAN-type specifications. All switches operating in VTP server or client mode under the same administrative responsibility must be configured with the same domain name. VTP version 3 supports the entire VLAN range (VLANs 1 to 4094). 1 (1), VTP and VTP pruning are supported for VTP version 1 and 2. The configuration shows commands entered by a network administrator for inter-VLAN routing. VTP Modes BeginningwithRelease5. Therefore, VTP works properly in the domain. The vtp mode transparent command disables VTP from the domain but does not remove the domain from the device. If its an older switch, you have to delete it using the Vlan data base mode: Switch# vlan database. VLANs cannot be configured locally on a VTP client. 8. (To remove an interface, use the no form of this command. All switches have the same the VTP domain name,. Cool. I am attempting to remove VTP from the network and running into a problem where DHCP for wireless access points themselves is failing whenever I try. Yes. If you are configuring the switch for VMPS, make sure this domain name matches the one in the VMPS configuration file. When you enable or disable VTP pruning on a VTP server, VTP pruning for the entire management domain is enabled or disabled. 8 VTP Domain Name Go to solution vsurresh Beginner Options 03-12-2018 08:22 AM - edited 03-08-2019 02:13 PM Hello experts, Any input from you guys would be. After that, we will set vtp password as abc123, vtp version 2. . This command is optional for modes other than server mode. A switch can be in only one VTP domain. Port Vlans in spanning tree forwarding state and not pruned. You can use the vtp file <filename> command to rename the file. For best practice just use global config. This locally configured VTP information is overwritten by the configuration that it later receives from the VTP server. VTPドメイン名の設定. This command is optional for modes other than server mode. VTP is available on most of the Cisco Catalyst Family. Note: Before you delete the file from NVRAM, it is recommended to make a backup of the file. Making VLANs pruning-eligible or pruning-ineligible affects pruning eligibility for those VLANs on that trunk only (not on. Here comes VTP to the rescue. switch (config)# vtp password cisco. VTP pruning takes effect several seconds after you enable it. SW1 and SW2 start out knowing about VLAN 2 as a side-effect of the switchport access vlan 2 commands on each. Use this in combination with cisco. . Discuss Catalyst brand switches with peers and experts. VTP messages are exchanged between switches within a common VTP domain. Download your complete 350 page Lab Guide covering everything on the latest CCNA exam here. VTP transparent switches store the VLAN information in the running-config. Vtp mode transparent Vtp domain diffrentDomainName Vtp domain putDomainBackToOriginal Vtp mode client Vtp password reenterCorrectPassword Now do a show 'show vtp status' revision should be zero. A VTP domain is made up of one or more network devices that share the same VTP domain name and that are connected with trunk interfaces. On Client switch # vlan database # vtp password newpwd exit exit. The only caveat is the VTP Pruning - if you are using it, you must first deactivate it on any VTP Server switch using the no vtp pruning command. All devices in a VTP domain must have the same domain name, but they do not need to run the same VTP version. OSPF will remove that neighbor from the router link-state database. Only way i know is removing vlan. You make global VLAN configuration changes for the domain. VTP domain name must be the same; 2. Try it in the lab. A VTP server will advertise all VLANs configured on the switch via VTP in an attempt to maintain a synchronized VLAN database on all switches in the particular VTP management domain. In order to remove ports from the VLAN, issue the no switchport access vlan vlan_number command in interface configuration mode. Some of our sites have VTP Domain. 5. I do not see any issue here, remove VTP from environment. When you enter the vlan vlan-id command, a new VLAN is created with all default parameters and causes the CLI to enter VLAN configuration mode. If you want to set ti to 0 which you probably should on the new switch then -. ). "Place the switch in VTP off mode. VTP password must be the same; and 3. In a Token Ring environment, you must enable VTP version 2 for Token Ring VLAN switching to function properly. So you need to remove them, do a "copy run start" command, delete the vlan. Solved: Hi all, I have some problems using VTP and PVST+ so I decided to get rid of VTP. Solved: Currently our organization has a VTP domain setup at several location. And here it is from as configured from one of the new switches. Step 2 Select a view that contains the device, switch cloud, or the VTP Domain for which you want to view the report. To delete the SVI interfaces do. One of which from reading other posts, I. A switch can be configured only in one VLAN Trunking Protocol (VTP) domain. One cannot synchronize switches with different domain names. Before adding a VTP client switch to a VTP domain, always verify that its VTP configuration revision number is lower than the configuration revision number of the other switches in the VTP domain. exec mode: delete. dat file. Step 3 Select Reports > VLAN Report from the menu. 02-19-2003 02:43 PM. Buy or Renew. dat files do not match, the switch uses the configuration in the vlan. no vlan 130. If I reload the server switch, somehow the switch would grab all the vlan information from a VTP client switch and all the vlans are restored. Switches in a VTP domain always use the VLAN configuration of the switch with the highest VTP configuration revision number. Step 3 – Configure native and trunking VLAN. A VTP domain is made up of one or more interconnected network devices that share the same VTP domain name. Step 6: show vtp status. Making VLANs pruning-eligible or pruning-ineligible affects pruning eligibility for those VLANs on that trunk only (not on. The strange part is that after deleting the switch configuration you will notice that the Vlans are still there. 6-4: VLAN Trunking Protocol. 01-28-2016 01:36 PM. dat" only deletes the vlan. 3 -Finally set VTP servers on transparent mode. This is at the core (a pair of Cisco 3750s) and we are trying to weigh the impact it has on the production network. Each VTP domain must have at. Options. A VTP domain is defined by all switches that share the same VTP Domain name. If you remove the switch from the VTP domain, then VTP will not be able to update this file and it will remain exactly as it was. Even though the file can be copied to any location, it can only be read. VTP servers in the network. 2. And YES it is possible to communicate to different vtp domains, but not as a vtp domains, but as a different network, what you can do is just route the packets to other vtp network. A switch can be in only one VTP domain. Port to our Core switch is in trunk mode. If the VTP Server removed, all the client of VTP Lost connection, so you have vlan database issue. bin as the core devices. This reduces the need to configure the same VLAN everywhere. You use the interface configuration command mode to define the port membership mode and add and remove ports from a. 3 and various 3550 and 3750 switches. By doing the delete vlan. vtp mode. All switches in the same VTP domain will share the same VTP domain name and VTP password, if one is configured. If the switch has a trunk connection to a VTP domain, the switch learns the domain name from the VTP server in the domain. VLAN Trunking Protocol (VTP) CONFIGURATION. Switches within a VTP domain will share VLAN information. In the VTP Password field, enter a password (optional). Before you connect the new switch to the network, change the VTP mode of the switch to Transparent. ; Before installing a redundant supervisor engine, enter the no vtp file command to return to the default configuration. Your switch will simply stop participating in the VTP domain, though it will continue to. VTP servers advertise their configuration to the VTP clients in the same VTP domain. If state=absent and vtp_password is provided, the proposed vtp_password has to match the existing one in. If the controller is in VTP server or VTP transparent mode, you can add, modify or remove configurations for VLANs 2 to 1001 in. 5. ; Before installing a redundant supervisor engine, enter the no vtp file command to return to the default configuration. Enter configuration mode and use the following commands to enable client mode. A VTP domain is made up of one or more interconnected network devices that share the same VTP domain name. 12. VTP is a Cisco-proprietary protocol that is available on most of the Cisco Catalyst series products. Add or remove a vlan on the switch that is a vtp server and it should show up in less than a min. To. VTP with all switches in same domain will propagate information about the VLAN existing in the domain, to all members of the domain. convert Client First VTP Client to VTP Transparent, if required create VLAN required Locally. If you have a switch operates in VTP client mode, then you can disconnect the switch of the VTP domain and reload, after reload, the vlan database won't have the 20 vlans. dat file and config. Background Information. vtp domain ONE. Configure the VTP administrative-domain name. 1400=00d0. You can reset the revision to number to zero by changing the switch to VTP transparent then changing it back to VTP client mode. 1400 1 stp7VTP Domain Name : vtp. highest revision number and the onl VTP server in the VTP domain. Paul. Configure the VTP domain name to match the VTP domain name of the network. Default VTP Configuration VTP domain name - Null VTP mode - Server VTP version 2 enable state - Version 2 is disabled VTP password -. In the server mode, we can add, remove and edit VLAN. So it's listening to VTP frames and when the first frame comes, the switch accepts VTP domain name from it, updates it's VLAN database and works as VTP server. Using VTP. Emita el siguiente comando para configurar el modo VTP: Switch (vlan)# vtp {client | server | transparent} Emita el comando exit para salir del modo de configuración de VLAN. then move VTP Server to Transparent - so VTP Server removed here. If a VTP client or server with a null domain receives a VTP message with the domain populated, it will assume the domain of the received message and add applicable VLANs to its database. 3 (5). What should the network administrator do to ensure the new switch exchanges VTP information with the other switches in the VTP domain? Configure the correct VTP domain name and password on the new switch. Note disabling is actually done by setting to transparent mode " set vtp domain domain name mode transparent" the switch then does not act on. Switches in a VTP domain always use the VLAN configuration of the switch with the highest VTP configuration revision number. The domain name can be 1 to 32 characters. What VLAN Trunk Protocol (VTP) domain name and VTP mode to use on this switch. VTP passes around the VLAN information and the switch stores it in the vlan database. 122-25. Switch#show vlan briefI have 2980 switch running 6. Configure the correct VTP domain name on all switches in each respective site. 1Q encapsulation for the. (E. using the trunk allowed command totally removes it from trunk. The VLAN information is stored in NVRAM and it’s not lost after a reboot. The name can be 1 to 32 characters. vtp domain domain-name. One is done dynamically (you enable vtp pruning in the entire vtp domain) while the other is a. Your Domain name will be removed. Then, though, you need to manage VLANs (and VLAN pruning) on every switch. Options. To see it, go into privileged mode and issue a directory command for flash: The VLAN database is stored in the file "vlan. However, you can only have 1000 active VLANs at a given point of time. This switch is becoming Primary server for vlan feature in the VTP domain VTP Database Conf Switch ID Primary Server Revision System Name VLANDB Yes 00d0. VTP enables the management of VLAN configuration (Vlan addition, deletion, etc. Do not enter the vtp file file_name command on a switch that has a redundant supervisor engine. Servers and clients transmit information through trunks to other attached switches and receive updates from those trunks. Step 3. If the VTP mode or domain name in the startup configuration does not match the VLAN database, the domain name and VTP mode and configuration for the VLAN IDs 1 to 1005 use the VLAN database information. Chapter 13 Configuring VLANs, VTP, and VMPS VLANs Note When the switch boots, if the VTP domain name and VTP mode in the startup-config and vlan. I plan to do 1 switch stack every week. All devices in a VTP domain must have the same domain name, but they do not need to run the same VTP version. The pruning-eligibility configuration applies globally to all trunks on the switch. A write erase does remove the vtp information. For information on configuring VTP, see Chapter 22, “VLAN Trunking Protocol (VTP). dat" followed by a reload would do it, but now I found that I was NOT quite correct! When a switch is not connected to any other switches, removing "vlan. VTP servers advertise their VLAN configuration to other switches in the same VTP domain and synchronize their VLAN configuration with other switches based on messages received over trunk links. Once this is done the VTP client switch would learn the VLANs dynamically from the VTP Server and then you could assign the ports on the client switch to whatever VLAN you want to assign to. I need to know any way for delete vtp domain name but not reload switch. We can modify the whole network from a single switch. With this config, the switches trunk. It only needs to be configured on one switch. Since Cisco represents the state-of. Trunking is up as command on client switch. HTH. All switches operating in VTP server or client mode under the same administrative responsibility must be configured with the same domain name. When VTP pruning is enabled on a VTP server, pruning is enabled for the entire management domain. It's all guessing games now. Also when you are in server mode, you can still have no config for the domain name if you did not have any and you were in transparent mode before: NMS-CAT6K-B (config)#vtp mode server. 1400 1 stp711-29-2006 02:26 AM. I have a site with a VTP server stack and several VTP client stacks trunked to it with a half dozen vlans in the VTP domain with a password used. Download the VTP database from the VTP server in the new domain. Regards, LH. You actually have to delete the file: Once you've done that, you should be good. Reply. If you really need to clear the VTP domain name, you could try to move the switch into transparent mode, download the running config into your PC, remove the. Maybe post a. VTP servers advertise their VLAN configurations to other devices in the same VTP domain and synchronize their VLAN configurations with other devices based on advertisements. You cannot create, change, or delete VLANs on a VTP client. To do this, issue the vtp mode transparent command. Before adding a used switch to a VTP domain, either delete the VLAN. If you can not remove temporarly the existing ACL make sure that you permit statements go to the top. SwitchB> enable. In theory, this should not effect anything, the VLANs are already in the switches' VLAN database and they would continue humming along. The vtp mode transparent command disables VTP from the domain but does not remove the domain from the device. 5) Select the correct VTP mode and version. 1400=00d0. For future reference, here is how it was done: ON Server Switch # config term # (config) vtp password newpwd # (config) exit. Restrictions for VTP Supervisor engine redundancy does not support nondefault VLAN data filenames or locations. How do you enable VTP pruning mode? The “set vtp pruning enable” command can be used to enable or disabled VTP Pruning. Explanation: When adding a new switch to a VTP domain, it is critical to configure the switch with a new domain name, the correct VTP mode, VTP version number, and password. Quick output: running-configs do not have the vtp configurations. If the switch has a trunk connection to a VTP domain, the switch learns the domain name from the VTP server in the domain. . 2. •- Come back to VTP mode transparent. Received VTP updates are ignored if the passwords on the sending and receiving switch. Without pruning enabled in the VTP domain, all switches forward traffic for this VLAN on their trunk links, even though they have no hosts connected to this VLAN locally. Mark as New; Bookmark; Subscribe; Mute;Step 2 no vlan vlan-id: Remove the VLAN by entering the VLAN ID. Each network device can be in only one VTP domain. It doesn't really matter why, of course in a real production network you would have a matching VTP domain (or disabled). VTP domain is a collection of switches set with the same VTP domain string. The issue is not the trunk. If I reload the server switch, somehow the switch would grab all the vlan information from a VTP client switch and all the vlans are restored. 1) set the new switch to VTP transparent. By default, the switch is in the VTP. set vtp domain abcd1 Please, let me know if there is any command available with out clearing all the configuration. By default the switch are in vtp server mode with NULL domain. Now I find only this way to delete (delete vlan. Used to generate an MD5 hash that is included in VTP updates. This way I can SSH into each switch during a planned downtime window, and disable vtp pruning on each of them. 1. See the “Adding a VTP Client Switch to a VTP Domain. Do the following: config t. VTP version 3 is a protocol that is only responsible for distributing a list of opaque databases over an administrative domain. Highest database revision number, for the VTP domain, is considered the "best" for VLAN definitions. C. Do not enter the vtp file file_name command on a switch that has a redundant supervisor engine. First, connect two switches together with a crossover cable. VTP server mode requires a domain name. Here is example code: SW1 (config)#vtp mode client. dat File €section for the procedure. Below are VTP components:-What is VTP Domain. 00b8. dat file. load the IOS. You make global VLAN configuration changes for the domain using either the command-line interface (CLI) or Simple Network Management Protocol. ). dat file and reload, or change the VTP domain name to something else, and then change it back. VTP servers advertise their VLAN configurations to other devices in the same VTP domain and synchronize their VLAN configurations with other devices based on advertisements received over. This will revert the revision number to 0 and when added to the network will. Then go around each switch disabling vtp. vtp domain TWO. Refer to the exhibit. I’m just confused why they design it this way2-4. The Dynamic Map highlights VTP roles, VTP server, VTP client, VTP transparent; and VTP domain name, VTP mode, VTP running version, configuration version, and VTP pruning mode are embedded as device-level data tables. q3) can 2 switches (in VTP server mode) having the same domain and password, updated each other configurations ?. This example shows how to configure a VTP password: Switch#vtp password WATER Setting device VLAN. dat file in flash memory. So even before any VTP advertisements are exchanged, the VTP domain is contained within the DTP negotiation packets, and this is how devices know if they can form a trunk or not. The point is to make you understand how DTP. Let’s set one and try again: SW1 (config)#vtp domain NWL Changing VTP domain name from NULL to NWL %SW_VLAN-6-VTP_DOMAIN_NAME. 1(1),VTPissupportedinthesemodes: •Transparent—AllowsyoutorelayallVTPprotocolpacketsthatitreceivesonatrunkporttoallotherEdison, What about "switchport nonegotiate" and "switchport mode trunk" on the trunks going to the third-party switch in order to make the trunk come up? Of course we then have to make sure that the third-party switch have the right VLANs configured and allowed on the trunk port towards the two Cisc. The VLAN database is stored in the file "vlan. In VTP Versions 1 and 2, the VTP mode must be transparent for VTP and VLAN information to be saved in the running configuration file. ip dhcp pool name. HTH. Changing the domain name will reset the configuration revision number. A L3 routed link is not part of vlans so it is not advertised by VTP in this way you could have your "private vlan". The VLAN Trunking Protocol (VTP) is organized into management domains. VTP servers advertise their VLAN configurations to other devices in the same VTP domain and synchronize their VLAN configurations with other devices based on advertisements. This changes the config revision number back to 0 and when the current VTP server has a higher revision. 배경 정보. You need to change each switch's VTP mode to transparent or (if a later IOS) off . dat file in client mode from the updates from the server, in server and transparent. , Select the correct VTP mode and version. The configuration revision is still the same in the rest of the clients, even if the server crashes. Chapter 13 Configuring VLANs, VTP, and VMPS VLANs Note When the switch boots, if the VTP domain name and VTP mode in the startup-config and vlan. VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol that propagates VLAN’s on the whole local segments participating in the VTP domain. Need to add VLAN to switch. so the command to remove the VLAN is switch#delete flash:vlan. Guidelines and Limitations for VTPIf the device is in VTP server or VTP transparent mode, you can add, modify or remove configurations for VLANs 2 to 1001 in the VLAN database. 07-15-2021 05:59 AM. All switches have the same the VTP domain name, unless the network design insists for different VTP domains. To do this, VTP carries VLAN information to all the switches in a VTP domain. If you turn it off on one of your VTP servers, then that change gets propagated. You make global VLAN configuration changes for the domain using either the command-line interface (CLI) or Simple Network. The VTP revision number is 201. If you are running the VTPv1 or VTPv2, this command will show you the password in cleartext form. One can reasonably remove VTP for any number of valid reasons. Vlans allowed on trunk Gi1/0/47 10,70,90 Te1/0/2 1-4094 Port Vlans allowed and active in management domain Gi1/0/47 10,70,90 Port Vlans in spanning tree forwarding state and not pruned Gi1/0/. This example shows how to configure a VTP password: Switch#vtp password WATER Setting device VLAN. 4 in VTP mode transparent. 한 대의 VTP 서버에서 새로운 VLAN을 설정하면 해당 VLAN은 도메인의 모든 스위치를 통해 배포됩니다. I recomend staying away from VTP, specially if you have a limited number of vlans. VTP enables the management of VLAN configuration (Vlan addition, deletion, etc. Configuring VTP • FindingFeatureInformation,page1 • PrerequisitesforVTP,page1 • RestrictionsforVTP,page2 • InformationAboutVTP,page2 • HowtoConfigureVTP,page11To fix, I reset the passwords on all switches, then made a VLAN change, which was successfully pushed out. The vtp mode transparent command disables VTP from the domain but does not remove the domain from the device. VLAN Trunking Protocol is a Cisco proprietary protocol used for communicating VLAN information by Cisco switches. Layer 2 trunk interfaces, Layer 2 port channels, and virtual port channels (vPCs) support VTP functionality. Erasing the nvram filesystem will remove all configuration files! Continue? [confirm] [OK] Erase of nvram: complete. dat file will remove the vtp setting to default. . com: VLAN Trunk Protocol (VTP) reduces administration in a switched network. By default, Cisco switches do not have a VTP domain name assigned. All switches in the same VTP domain will share the same VTP domain name and VTP password, if one is configured. The name argument can be a string or an integer. Note You cannot clear the domain name. Remove the VTP domain name from all switches with "null" and then replace it with the new domain name. Step 3 The VTP server is where you would create, remove, or modify VLANs. switchtower. Through VTP, the user can synchronize VLAN name, VLAN ID, and other VLAN information; with Cisco switches inside the same domain. In VTP Versions 1 and 2, the VTP mode must be transparent for VTP and VLAN information to be saved in the running configuration file. VTP advertisements can be sent over 802.