Questions tagged [vtp]
For questions about the VLAN Trunking Protocol
35 questions
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VTP transparent mode Switch does not pass user traffic to and from other VTP Switches
Practicing on Packet Tracer, I have a topology of four switches named Switch-A, B, C and D. connected with one another in straight line
Switch A has two VLANs (Faculty and Students) and is configured ...
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what is the relation between DTP and VTP?
the ideas behind VTP & DTP are different, then why do we need to make sure that the VTP domain on both sides is the same otherwise the DTP will not work?
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VTP VLAN configuration not allowed when device is not the primary server for vlan database
I have a VTP server and 4 VTP clients. I wanted to create new VLANs on the VTP server and get the error
VTP VLAN configuration not allowed when device is not the primary server for vlan database.
The ...
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How do I load VLAN database between switches (CISCO 2960)?
I glad for any help on this topic
--
netanel
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How does the VTP Client update it's information if the revision number is equal?
I am new to networking and my questions may be a bit weird.
Please correct me if I am wrong. According to what I understand, Client updates it's information with the Server's if the Server's revision ...
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VTP pruning used in combination with allowed vlan
I have a network on which most of the switches are running VTP client/server mode. Few switches are not yet in that mode - for specific customization or because they simply cannot handle it.
Thinking ...
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What is the impact of VTP pruning against RSTP topology?
While working on a network using VTP (without pruning yet), I noticed the STP topology (for VLAN 10 let say as an example) was including all switches even the ones not having any interface in the VLAN ...
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DHCP server access problem
What will stop a PC from receiving an IP address from a DHCP server? Is it STP, VTP, 802.1Q or DTP? What is the most preferable of these?
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How does VTP deal with revision conflict
I was wondering how VTP protocol deals with revision conflict?
E.g. VTP clients and servers are up to date with the latest database revision X.
Suddenly two VTP servers propagate revision X+1 with ...
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VTP does not update VLANs in switch
Switch 1 will be server and Switch 4 will be Client!
Switch 1 configuration
S1#show run
Building configuration...
Current configuration : 1451 bytes
!
version 16.3.2
no service ...
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Sharing VTP Info Between two VTP Servers
Im trying to share info between two vtp servers
these vtp server are connected using Etherchannel
I have configured both on server mode, using the same domain and password, but the right one is not ...
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Combining VTP versions 2 and 3 in a network
Some of our switches only support VTP Version 2,
Can it be used on a simultaneous network of versions 2 and 3 together?
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Cisco VTP message ((lowest numbered VLAN interface found)
I have vtp server 6500 and vtp clients N5K all its working fine, except this message (lowest numbered VLAN interface found)..
I dont really know if I have to take care on this message I mean its an ...
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VTP updates through router!
Can vtp client revisions be updated from another server switch that connect it only through a router?
the two switches are in the same domain name
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Inter-VLAN Routing with VTP Server and Clients in Packet Tracer
I am new to the networking world and am attempting my first few projects in Packet Tracer. The first few were easy but I've gotten to a road block.
My goal is to have three separate VLANs with at ...
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3
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switch joining vtp domain fails with unknown error
I am trying to make a C2811 (yes, with switching ports, thank you very much) join a VTP domain. This fails with the syslog message
VTP LOG RUNTIME: DRAM failed for domain
This is rare, but google ...
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VTP Mode Automatically Changing to Server
Really hoping you can help me shed some light on some serious issues I've been experiencing on our production network. I'll give a quick background and explain the issue.
Background:
Our network ...
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Can't establish the connection for switch
I tried to establish an old switch in site, but VTP is not working.
Show cdp neighbor
Got the next switch with this command.
Model: WS-C2960-24TC-L
Version : 12.2(53)SE2
I tried to add the ...
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VTP not working in all switches
In server: C3650-48TS, 03.03.05SE
SW01#sh vtp sta
VTP Version capable : 1 to 3
VTP version running : 1
VTP Domain Name : TEST
VTP Pruning Mode : ...
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VTP and VTP domain
Does a VTP server switch, with a VTP domain configured on it, advertise the VTP domain name to a client switch, so that the VTP domain is automatically configured on client switch?
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About "show interface switchport" output
The show interface switchport command shows a specific row Pruning VLANs Enabled. The field description is Lists the VLANs that are pruning-eligible but I cannot understand what that row is meaning.
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VLAN Trunking Protocol
Is VLAN Trunking Protocol enabled or disabled by default on all switches ?
I have VTP Domain name showing nothing in command "" show VTP status ""
therfore does this mean VTP is disabled by default ...
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Why am I not seeing a spanning tree instance?
i86bi-linux-l2-adventerprisek9-15.1a.bin on Cisco IOU via GNS3
I set up the following topology in GNS3:
All I did was power on the devices, connect them and do a 'no shut'-command on their connected ...
- 459
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VTP: VLAN is not propagating
This Topology is simple but my VLAN is not propaganting. I'm following this Tutorial
Multilayer Switch0
VTP Version : 2
Configuration Revision : 2
Maximum VLANs ...
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How to make two computers connected to a switch but in the different VLANs ping each other? [closed]
Here is my topology:
PC3 - VLAN 10
PC0, PC4 - VLAN 20
The switch connected to a router is a Server Switch in VTP. The other two are clients.
I know about router on the stick and PC3 and PC4 can ...
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Impact of removing VTP from a production network
We are planning to remove VTP from a production network that has RPVST running. This is at the core (a pair of Cisco 3750s) and we are trying to weigh the impact it has on the production network.
In ...
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Any reason NOT to use VTP Pruning
I have inherited a network. I have 12 separate sites, all of which have at least 10 vlans. Each site is it's own VTP domain. I have an MPLS ethernet handoff into a switch at each site. From each ...
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Could MD5 digest be synchronized between VTP Server and Client if there is a discrepancy in Switch Versions?
The MD5 digest between the VTP Server located on Switch1 and the VTP Client located on Switch2 have been synchronized.
Although the steps from this Q&A have been followed, a trunk has been ...
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How to synchronize MD5 digest between VTP Server and Client?
Follow up to this Q&A.
According to one of the answers it should be possible to solve a MD5 digest mismatch by synchronizing username, password and domain between VTP Client and Server and ...
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VTP transfer deleted VLANs
I have a Cisco Catalyst 3750 and 2960. I created VTP server in 3750 and deleted all useless vlans. When I connect 2960 (VTP status: Client) to 3750 VTP transferred all vlans which I deleted before.
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VTP Pruning in Server Mode?
This question is a literal repost of the same question asked on The Cisco Learning Network. Answers are unique to Stack Exchange.
Why does VTP pruning require the switch to be in server mode?
I am ...
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Private VLAN in transparent mode
Why do we have to set up the switch in transparent mode when dealing with private VLANs?
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VTP domain name configuration
I believe only way to configure VTP domain is by CLI.,
Anyway i heard when we configure trunk from a switch A(which is in VTP domain (say cisco))
to another switch B which dont belong to any VTP ...
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VTP V3 Cisco Switch Error when creating new VLAN
While trying to create a new VLAN on a switch stack (that has many VLANs and many interconnected switches) I get an error about the switch not being the primary server for VLAN database. When running ...
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How can I force VTP clients to update their VLAN database from the VTP server, on Cisco devices?
I was doing some cisco exercises on configuring a vtp server and client, something I can't figure out is :
I setup a vtp server, added my VLAN's
I then took another switch that was attached to this ...
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