Date: Thu, 29 Aug 2002 23:02:57 -0400 From: "Matthew Emmerton" <matt@gsicomp.on.ca> To: "Jorge Mario G." <murcielako@yahoo.com>, <freebsd-questions@FreeBSD.ORG> Subject: Re: Problems with IP aliasing Message-ID: <001501c24fd1$be6e1600$1200a8c0@gsicomp.on.ca> References: <20020830030024.508.qmail@web13808.mail.yahoo.com>
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> HI > I'm trying to create IP aliases of the ip 192.168.0.2 > so i create the alias 192.168.10.1 with no problems > this way: > > ifconfig xl0 inet 192.168.10.1 netmask 255.255.255.0 > alias > [root@gator:/usr]# ifconfig > xl0: > flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu > 1500 > inet 192.168.0.2 netmask 0xffffff00 broadcast > 192.168.0.255 > inet 192.168.10.1 netmask 0xffffff00 broadcast > 192.168.10.255 > ether 00:10:5a:07:da:30 > media: Ethernet autoselect (100baseTX > <full-duplex>) > status: active > > > [root@gator:/usr/ports/mail/squirrelmail]# ping > 192.168.10.1 > PING 192.168.10.1 (192.168.10.1): 56 data bytes > 64 bytes from 192.168.10.1: icmp_seq=0 ttl=64 > time=0.080 ms > 64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 > time=0.044 ms > the alias is there and working > > then i tried: > [root@gator:~]# ifconfig xl0 inet 192.168.10.2 netmask > 255.255.255.0 alias > ifconfig: ioctl (SIOCAIFADDR): File exists > [root@gator:~]# > > any ideas why??? > thank ifconfig xl0 inet 192.168.10.2 netmask 255.255.255.255 alias Aliases must be created with a 255.255.255.255 (0xffffffff) netmask. See 'man ifconfig' for details. -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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