DHCP Option 2 (Time Offset) Mikrotik RouterOS

在RouterOS上可以設定的小細節非常多
例如DHCP
就可以設定一些參數讓設備讀到並進行自行設置
這次介紹 DHCP 2 的參數 可以讓下游的設備自行定義好 +0800時區

在IP > DHCP Server 中
設置value 0x00007080
就是台灣時區


The hexadecimal values are set to have a fixed length of 32 bits as specified in Option 2 of the DHCP RFC 2132. SonicWall does not accept negative numbers for the time offset, Hex must be used.

GMT offset
(in hr)
GMT offset in secondsGMT offset in Hexadecimal
000x00000000
+136000x00000E10
+272000x00001C20
+3108000x00002A30
+4144000x00003840
+5180000x00004650
+6216000x00005460
+7252000x00006270
+8288000x00007080
+9324000x00007E90
+10360000x00008CA0
+11396000x00009AB0
+12432000x0000A8CD
-1N/A0xFFFFF1F0
-2N/A0xFFFFE3E0
-3N/A0xFFFFD5D0
-4N/A0xFFFFC7CD
-5N/A0xFFFFB9B0
-6N/A0xFFFFABA0
-7N/A0xFFFF9D90
-8N/A0xFFFF8F80
-9N/A0xFFFF8170
-10N/A0xFFFF7360
-11N/A0xFFFF6550

 

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