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Find Vlan ID

asked 2021-08-04 12:52:20 +0000

Eliran gravatar image

Hi Guys,

I have HP switch and no one knows its IP or logon details.

I assume that are only 2 vlans on this switch ...

Can I plug into a port and see via wireshark what is the vlan ID from the packets ?


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With any luck,it might work.

Access port - untagged Trunk port - tagged

7ACE gravatar image7ACE ( 2021-08-05 01:27:28 +0000 )edit

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answered 2021-08-05 19:05:29 +0000

BigFatCat gravatar image

Switches will send VLAN information on a port that is configured as a 802.1q trunk. If the switch is secured, it won't advertise any information about itself.

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answered 2021-08-04 14:36:15 +0000

hugo.vanderkooij gravatar image

Most likely not. Either accept the switch is unmanaged as-is or do a factory reset and configure the switch as needed. But that is not the scope of this website.

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Asked: 2021-08-04 12:52:20 +0000

Seen: 632 times

Last updated: Aug 05 '21