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Should native and management VLAN be the same?
A good security practice is to separate management and user data traffic. The management VLAN, which is VLAN 1 by default, should be changed to a separate, distinct VLAN. Ensure that the native VLAN for an 802.1Q trunk is the same on both ends of the trunk link.
Should I change the native VLAN?
Changing the native VLAN is mostly related to preventing VLAN hopping attacks. If this is of a concern you should use a different native VLAN on trunk ports between switches. For safety, this should be a VLAN not in use in the network. You want every valid VLAN to be tagged between switches.
What is management VLAN and native VLAN?
The default VLAN for mgt0 is 1. Native (untagged) VLAN: The native (untagged) VLAN is the VLAN assigned to frames that do not have any 802.1Q VLAN tags in their headers. By default, Extreme Networks devices also use VLAN 1 as the native VLAN. The default VLAN for native is 1.
When dealing with the native VLAN The best practice is?
A recommended best practice is to change the Native VLAN to another unused VLAN where no hosts or other devices reside. This is done in order to avoid VLAN hopping attacks such as double-tagging. It’s easy to confuse the ideas of the Native VLAN and the Default VLAN.
Is the management VLAN the same as the native VLAN?
Currently our network has a Native VLAN of X set on the trunk links. We have a management VLAN of Y for all our management traffic. I have read 2 separate recommendations regarding how to handle these VLAN’s. The first recommends using the Native VLAN as the Management VLAN.
What do you need to know about Cisco VLANs?
A management VLAN is the VLAN that is used to remotely manage, control, and monitor the devices in you network using Telnet, SSH, SNMP, syslog, or Cisco’s FindIT. By default, this is also VLAN 1. A good security practice is to separate management and user data traffic.
Do you need native VLAN for Trunk ports?
There is not much of an issue to have the native VLAN as 1. Just be sure your trunk ports have native VLAN 1 in all of them. One of the reasons of not using VLAN1 for passing data or management traffic is that some network information protocols such as CDP or VTP uses VLAN1.
What are the benefits of using a management VLAN?
The primary benefit of using a management VLAN is improved network security. When all management traffic is on a separate VLAN, it is much harder for unauthorized users to make changes to your network or monitor network traffic.