Date: Sat, 17 Jan 2004 13:24:13 +0300 From: =?koi8-r?B?98HTxc7JziDhzMXL08HOxNIgYWthIEJsYWNrU2ly?= <blacksir@number.ru> To: <freebsd-isp@freebsd.org> Subject: FreeBSD deny 'unusual' IP-addresses? Message-ID: <NKEJKOHEKMBIMCCEHEPKAEHACBAA.blacksir@number.ru>
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I work in a small ISP company. We are using FreeBSD machines for routing and counting traffic of our clients. I faced with subject 'feature' twise: 1) FreeBSD Server with a real ip in external interface and a lot of IPs like 10.1.1.1/24, 172.16.13.1/24 (NOT ANY 192.168...!)on internal interface. If someone tries to up an ANY address like 192.168.0.1/24 - our server always talk that this address is already in use. Those clients need these addresses, becouse they use our LAN as transport beetween two offices. I solved this problem by upping 192.168.1.1/16 on internal server interface . 2) One of our client use our LAN for testing their experimental hardware device (i don`t know what that thing do, but in connected to network). For some unknown reason that device use a real IP-address that not belongs to me, but they don't want to change the address(why? - I don't know). Our server swears that this address is already in use. I understand, that using such thing is not compliant to standarts, but maybe someone knows how to switch off those kind of alarms? Vasenin Alexander aka BlackSir
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