DHCP静态路由推送

配置BOOTP/DHCP选项
静态路由(DHCP选项33)–该配置已被淘汰,资料:https://tools.ietf.org/html/rfc3442,由rfc2132定义,被rfc3442淘汰
无类静态路由(DHCP选项121

选项代码:121

类型:string

值:由16进制字符串组成,格式为   [子网掩码长度][IP地址的前三个数][路由地址],结构如下

    Code Len Destination 1    Router 1
   +-----+---+----+-----+----+----+----+----+----+
   | 121 | n | d1 | ... | dN | r1 | r2 | r3 | r4 |
   +-----+---+----+-----+----+----+----+----+----+

    Destination 2       Router 2
   +----+-----+----+----+----+----+----+
   | d1 | ... | dN | r1 | r2 | r3 | r4 |
   +----+-----+----+----+----+----+----+
示例:IP范围:10.0.8.0/24,路由地址:192.168.1.1,转换完成如下
18:0a:00:08:c0:a8:01:01
由
24:10:0:8:192:168:1:1
这种格式转换而来。

资料来源:

DHCP-Options – pushing a static route from PFSENSE


https://forum.netgate.com/topic/67684/explained-example-dhcp-option-121-249/2
https://ercpe.de/blog/advanced-dhcp-options-pushing-static-routes-to-clients
https://www.freebsd.org/cgi/man.cgi?query=dhcp-options&sektion=5
https://forum.netgate.com/topic/25087/dhcp-option-121-249-please-help-provide-static-routes-via-dhcp-to-win-clients/15
https://tools.ietf.org/html/rfc3442
https://tools.ietf.org/html/rfc2132
http://www.networksorcery.com/enp/protocol/bootp/options.htm
http://www.networksorcery.com/enp/protocol/bootp/option033.htm

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