Access or Trunk question?

Answered Question
Oct 22nd, 2008

Just wondering if there is ever a scenario where two switches connected to one another should not be trunked?


For example I have switch A connected to Switch B


Switch A config:


interface GigabitEthernet1/1

switchport

switchport access vlan 100

switchport mode access


Switch B config:

interface GigabitEthernet1/1

switchport access vlan 100

switchport mode access


Think of Switch A has the hub with various switches spoked off of it all connecting as a different vlan. (100, 101,102 etc...)


it just doesn't make sense to me why it was configured this way. I would think the interfaces between the switches should be trunked? However, only a single vlan is passed so is it necessary?







Correct Answer by Jon Marshall about 8 years 4 months ago

If you only need 1 vlan on each switch then there is no reason to use a trunk link and it is perfectly valid to just use a switchport access configuration.


However gererally speaking you would want to have at least 2 vlans on each switch one for data and the other for management. You don't have to a separate management vlan but it is recommended best practice.


Jon

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Correct Answer
Jon Marshall Wed, 10/22/2008 - 11:30

If you only need 1 vlan on each switch then there is no reason to use a trunk link and it is perfectly valid to just use a switchport access configuration.


However gererally speaking you would want to have at least 2 vlans on each switch one for data and the other for management. You don't have to a separate management vlan but it is recommended best practice.


Jon

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