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BubaKukin
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Posts: 5
Joined: Thu Feb 08, 2018 4:36 pm
Location: Moscow, Russia

Format of Option 82

Sat Oct 12, 2019 7:10 pm

The contents of Option82 are not documented.
Yes, I determined what it consists of.
For example, a packet arrives through ethernet port 15 (which interface name is "15") of vlan 101 on a switch SW-1
In this case:
agent.remote-id = "15"
agent.circuit-id = "SW-1 eth 0/15:101"
It is too arduous.

Is it possible to form the Option82 at will?
For example...
agent.remote-id - <device name> or <device IP address on vlan>
agent.circuit-id - <port number> or <descriptive interface name>

I know if switch used as dhcp-relay the opthion 82 may be changed with:
remote-id = variable string
cirquit-id = MAC of vlan (cna't be changed)

Тhis also does not fit. No port information.

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