这里的大部分设备都是无线手持设备(使用Windows CE TCP堆栈).我很欣赏任何有关消除不断消息的见解.
/etc/dhcpd.conf中
default-lease-time 28800;authoritative;allow bootp;ddns-update-style none;option subnet-mask 255.255.255.0;option domain-name-servers 10.1.1.3;option domain-name "xxxinc.com";option tftp-server-name "10.1.1.3";option ntp-servers 17.151.16.21;subnet 10.1.1.0 netmask 255.255.255.0 { range dynamic-bootp 10.1.1.120 10.1.1.211; option tftp-server-name "10.1.1.3"; next-server 10.1.1.3; filename "/dsl/pxelinux.0"; option routers 10.1.1.1;}subnet 10.1.2.0 netmask 255.255.255.0 { range dynamic-bootp 10.1.2.130 10.1.2.199; option tftp-server-name "10.1.1.3"; next-server 10.1.1.3; filename "/dsl/pxelinux.0"; option routers 10.1.2.1;}
在/ var / log / messages中
Apr 4 10:59:44 General dhcpd: DHCPINFORM from 10.1.1.136 via eth0Apr 4 10:59:44 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Apr 4 10:59:44 General dhcpd: DHCPINFORM from 10.1.1.136 via eth0Apr 4 10:59:44 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Apr 4 10:59:44 General dhcpd: DHCPINFORM from 10.1.1.136 via 10.1.1.254Apr 4 10:59:44 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Apr 4 10:59:44 General dhcpd: DHCPINFORM from 10.1.1.136 via 10.1.1.254Apr 4 10:59:44 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Apr 4 10:59:44 General dhcpd: DHCPINFORM from 10.1.1.136 via 10.1.1.2Apr 4 10:59:44 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Apr 4 10:59:46 General dhcpd: DHCPREQUEST for 10.1.1.137 from 00:15:70:85:9b:ea via eth0Apr 4 10:59:46 General dhcpd: DHCPACK on 10.1.1.137 to 00:15:70:85:9b:ea via eth0Apr 4 10:59:46 General dhcpd: DHCPREQUEST for 10.1.1.137 from 00:15:70:85:9b:ea via eth0Apr 4 10:59:46 General dhcpd: DHCPACK on 10.1.1.137 to 00:15:70:85:9b:ea via eth0Apr 4 10:59:46 General dhcpd: DHCPREQUEST for 10.1.1.137 from 00:15:70:85:9b:ea via 10.1.1.254Apr 4 10:59:46 General dhcpd: DHCPACK on 10.1.1.137 to 00:15:70:85:9b:ea via 10.1.1.254Apr 4 10:59:46 General dhcpd: DHCPREQUEST for 10.1.1.137 from 00:15:70:85:9b:ea via 10.1.1.254Apr 4 10:59:46 General dhcpd: DHCPACK on 10.1.1.137 to 00:15:70:85:9b:ea via 10.1.1.254Apr 4 10:59:46 General dhcpd: DHCPREQUEST for 10.1.1.137 from 00:15:70:85:9b:ea via 10.1.1.2Apr 4 10:59:46 General dhcpd: DHCPACK on 10.1.1.137 to 00:15:70:85:9b:ea via 10.1.1.2Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.2.193 via 10.1.2.1Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.2.193 (00:1a:4b:c0:e0:a4) via eth0Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.1.147 via eth0Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.1.147 via eth0Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.1.147 via 10.1.1.254Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.1.147 via 10.1.1.254Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Apr 4 10:59:47 General dhcpd: DHCPINFORM from 10.1.1.147 via 10.1.1.2Apr 4 10:59:47 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Apr 4 10:59:49 General dhcpd: DHCPREQUEST for 10.1.1.198 from 00:15:70:86:dc:b9 via eth0Apr 4 10:59:49 General dhcpd: DHCPACK on 10.1.1.198 to 00:15:70:86:dc:b9 via eth0Apr 4 10:59:49 General dhcpd: DHCPREQUEST for 10.1.1.198 from 00:15:70:86:dc:b9 via eth0Apr 4 10:59:49 General dhcpd: DHCPACK on 10.1.1.198 to 00:15:70:86:dc:b9 via eth0Apr 4 10:59:49 General dhcpd: DHCPREQUEST for 10.1.1.198 from 00:15:70:86:dc:b9 via 10.1.1.254Apr 4 10:59:49 General dhcpd: DHCPACK on 10.1.1.198 to 00:15:70:86:dc:b9 via 10.1.1.254Apr 4 10:59:49 General dhcpd: DHCPREQUEST for 10.1.1.198 from 00:15:70:86:dc:b9 via 10.1.1.254Apr 4 10:59:49 General dhcpd: DHCPACK on 10.1.1.198 to 00:15:70:86:dc:b9 via 10.1.1.254Apr 4 10:59:49 General dhcpd: DHCPREQUEST for 10.1.1.198 from 00:15:70:86:dc:b9 via 10.1.1.2Apr 4 10:59:49 General dhcpd: DHCPACK on 10.1.1.198 to 00:15:70:86:dc:b9 via 10.1.1.2
UPDATE
我从一些DHCP服务器端路由器中删除了一些无关的ip helper-address条目.大部分流量已经消退,但是我仍然得到很多DHCPINFORM,DHCPACK ……
Oct 26 17:22:23 General dhcpd: DHCPINFORM from 10.1.1.140 via eth0Oct 26 17:22:23 General dhcpd: DHCPACK to 10.1.1.140 (00:16:35:07:1e:2c) via eth0Oct 26 17:22:27 General dhcpd: DHCPINFORM from 10.1.1.147 via eth0Oct 26 17:22:27 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Oct 26 17:22:27 General dhcpd: DHCPINFORM from 10.1.1.140 via eth0Oct 26 17:22:27 General dhcpd: DHCPACK to 10.1.1.140 (00:16:35:07:1e:2c) via eth0Oct 26 17:22:39 General dhcpd: DHCPINFORM from 10.1.1.182 via eth0Oct 26 17:22:39 General dhcpd: DHCPACK to 10.1.1.182 (00:19:bb:d3:ec:f1) via eth0Oct 26 17:22:43 General dhcpd: DHCPINFORM from 10.1.1.182 via eth0Oct 26 17:22:43 General dhcpd: DHCPACK to 10.1.1.182 (00:19:bb:d3:ec:f1) via eth0Oct 26 17:22:49 General dhcpd: DHCPINFORM from 10.1.2.198 via 10.1.2.1Oct 26 17:22:49 General dhcpd: DHCPACK to 10.1.2.198 (00:1e:0b:79:e5:15) via eth0Oct 26 17:23:01 General dhcpd: DHCPINFORM from 10.1.1.194 via eth0Oct 26 17:23:01 General dhcpd: DHCPACK to 10.1.1.194 (00:1e:0b:7b:2d:d6) via eth0Oct 26 17:23:04 General dhcpd: DHCPINFORM from 10.1.1.136 via eth0Oct 26 17:23:04 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Oct 26 17:23:07 General dhcpd: DHCPINFORM from 10.1.1.136 via eth0Oct 26 17:23:07 General dhcpd: DHCPACK to 10.1.1.136 (00:16:35:07:1e:61) via eth0Oct 26 17:23:09 General dhcpd: DHCPINFORM from 10.1.2.193 via 10.1.2.1Oct 26 17:23:09 General dhcpd: DHCPACK to 10.1.2.193 (00:1a:4b:c0:e0:a4) via eth0Oct 26 17:23:12 General dhcpd: DHCPINFORM from 10.1.2.179 via 10.1.2.1Oct 26 17:23:12 General dhcpd: DHCPACK to 10.1.2.179 (00:19:bb:d3:f6:26) via eth0Oct 26 17:23:13 General dhcpd: DHCPINFORM from 10.1.2.193 via 10.1.2.1Oct 26 17:23:13 General dhcpd: DHCPACK to 10.1.2.193 (00:1a:4b:c0:e0:a4) via eth0Oct 26 17:23:15 General dhcpd: DHCPINFORM from 10.1.2.179 via 10.1.2.1Oct 26 17:23:15 General dhcpd: DHCPACK to 10.1.2.179 (00:19:bb:d3:f6:26) via eth0Oct 26 17:23:36 General dhcpd: DHCPINFORM from 10.1.1.140 via eth0Oct 26 17:23:36 General dhcpd: DHCPACK to 10.1.1.140 (00:16:35:07:1e:2c) via eth0Oct 26 17:23:37 General dhcpd: DHCPINFORM from 10.1.1.147 via eth0Oct 26 17:23:37 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Oct 26 17:23:40 General dhcpd: DHCPINFORM from 10.1.1.140 via eth0Oct 26 17:23:40 General dhcpd: DHCPACK to 10.1.1.140 (00:16:35:07:1e:2c) via eth0Oct 26 17:23:41 General dhcpd: DHCPINFORM from 10.1.1.147 via eth0Oct 26 17:23:41 General dhcpd: DHCPACK to 10.1.1.147 (00:19:bb:d3:bc:e8) via eth0Oct 26 17:23:50 General dhcpd: DHCPINFORM from 10.1.2.198 via 10.1.2.1Oct 26 17:23:50 General dhcpd: DHCPACK to 10.1.2.198 (00:1e:0b:79:e5:15) via eth0Oct 26 17:23:51 General dhcpd: DHCPINFORM from 10.1.1.182 via eth0Oct 26 17:23:51 General dhcpd: DHCPACK to 10.1.1.182 (00:19:bb:d3:ec:f1) via eth0解决方法 看起来你有客户端连接到多个子网(或相互转发dhcp帮助程序的路由器).由于我不了解你的拓扑结构,我不能肯定地说.
要检查的一些事项:
>这会发生在所有客户身上吗?或者只是位于特定网段的那些?
>这些客户端是否连接到多个子网?
>您确认您的子网之间没有桥接吗?
您应该查看每个客户端,可能使用ethreal,并确定他们是否从多个路由器接收多个DHCPACK(它们可能是).
总结以上是内存溢出为你收集整理的linux – / var / log / messages中的DHCP请求过多:重复DHCPINFORM,DHCPACK和DHCPREQUEST全部内容,希望文章能够帮你解决linux – / var / log / messages中的DHCP请求过多:重复DHCPINFORM,DHCPACK和DHCPREQUEST所遇到的程序开发问题。
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