红帽全球峰会17.14.10.4. ARP/RARP
协议 ID：arp 或 rarp
这个类型的规则应该进入 root 或 arp/rarp 链。
| 属性名称 | datatype | 定义 |
|---|---|---|
| srcmacaddr | MAC_ADDR | 发件人的 MAC 地址 |
| srcmacmask | MAC_MASK | 应用到发送者的 MAC 地址的掩码 |
| dstmacaddr | MAC_ADDR | 目的地的 MAC 地址 |
| dstmacmask | MAC_MASK | 应用到目的地的 MAC 地址的掩码 |
| hwtype | UINT16 | 硬件类型 |
| protocoltype | UINT16 | 协议类型 |
| opcode | UINT16, 字符串 | opcode 有效字符串有：请求, Reply, Request_Reverse, Reply_Reverse, DRARP_Request, DRARP_Reply, DRARP_Error, InARP_Request, ARP_NAK |
| arpsrcmacaddr | MAC_ADDR | ARP/RARP 数据包中的源 MAC 地址 |
| arpdstmacaddr | MAC _ADDR | ARP/RARP 数据包中的目的地 MAC 地址 |
| arpsrcipaddr | IP_ADDR | ARP/RARP 数据包中的源 IP 地址 |
| arpdstipaddr | IP_ADDR | ARP/RARP 数据包中的目的地 IP 地址 |
| gratuitous | 布尔值 | 布尔值指明是否检查一个 gratuitus ARP 数据包 |
| 注释 | 字符串 | 最多 256 个字符的文本字符串 |
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