DHCP Relay Agent Information (Option 82) Requests

option82.md

Cisco Catalyst 2960 WS-C2960-24TC-L IOS 12.2(55)SE5

/192.168.78.5:67: DHCPDISCOVER from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.78.5
    Relay agent information:
        1 -> 000403e40118
        2 -> 0006001aa1d39100

D-Link DES-1210-08P H/W B1 F/W 3.12.B017

/192.168.1.11:67: DHCPREQUEST for /0.0.0.0 from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010001
        2 -> 00069cd6435c6190

D-Link DGS-1210-52 H/W B1 F/W 3.10.B028

/192.168.1.11:67: DHCPINFORM for /192.168.1.119 from 1/54:04:a6:1b:cc:4a
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010030
        2 -> 0006c8be19562ba1

D-Link DES-1228 H/W A1 F/W 1.00.B04

/192.168.1.11:68: DHCPREQUEST for /0.0.0.0 from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010001
        2 -> 00060021918bbc6f

D-Link DES-3200-26 H/W A1 F/W 1.83.B004

/192.168.1.11:68: DHCPREQUEST for /0.0.0.0 from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010011
        2 -> 00061cbdb96f4760

D-Link DES-3200-28 H/W A1 F/W 1.10.B015

/192.168.1.11:68: DHCPREQUEST for /0.0.0.0 from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010001
        2 -> 000600265a8acca0

D-Link DES-3200-28 H/W C1 F/W 4.37.B011

/192.168.1.11:68: DHCPDISCOVER from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010001
        2 -> 011139302d39342d45342d32352d35302d3830

D-Link DGS-3420-28TC H/W B1 F/W 1.50.018

/192.168.1.11:68: DHCPDISCOVER from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010001
        2 -> 011143302d41302d42422d33322d45342d3030

D-Link DES-3526 H/W 3A1 F/W 6.00.B60

/192.168.1.11:68: DHCPREQUEST for /0.0.0.0 from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010003
        2 -> 000600179a04dd4e

D-Link DGS-3627G H/W A1 F/W 3.00.B30

/192.168.1.11:68: DHCPDISCOVER from 1/00:26:b9:08:77:b5
    Relay agent IP address: /192.168.1.11
    Relay agent information:
        1 -> 000400010015
        2 -> 00060022b02e8300

MikroTik RouterOS 6.18

/192.168.1.10:67: DHCPINFORM for /192.168.1.104 from 1/90:2b:34:9f:31:16
    Relay agent IP address: /192.168.1.10
    Relay agent information:
        1 -> 000c422f4dc6
        2 -> 902b349f3116

Agent Circuit ID Sub-option (1) value for D-Link switches:

00 04 0001 00 30
│  │  │    │  │
│  │  │    │  └─ Port number
│  │  │    └──── Module ID
│  │  └───────── VLAN ID
│  └──────────── Data length
└─────────────── ?