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int G0/0 on a new 3850 switch

Forum,

I am working at a client site today and am configuring some new 3850 switches that they have purchased.

I am currently configuring a 48 port switch, which to no surprise, has 48 physical RJ45 ports on the front of the switch.

On CLI, I see these ports as G1/0/1 thru G1/0/48.

Here's the twist... there is also a G0/0 interface!  Here is what it looks like natively:

LOUSERSWT#sho run int G0/0
Building configuration...

Current configuration : 94 bytes
!
interface GigabitEthernet0/0
 vrf forwarding Mgmt-vrf
 no ip address
 negotiation auto
end

I was curious as to what spefically this interface is used for?

Thanks in advance..

Kevin

2 REPLIES 2
Rising star

Hi Kevin

Hi Kevin

This is an out of band management port.

As far as I am aware, it has no concept of Vlans or routing.

You just give it an IP address and it acts like a host so you can manage the switch out of band.

To be honest, I have rarely seen it used.

Thanks

This is the management port

This is the management port meant only to manage the switch. For details see below

http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/int_hw_components/configuration_guide/b_int_3se_3850_cg/b_int_3se_3850_cg_chapter_0100.html

HTH

Madhu

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