Date: Tue, 27 Feb 2001 00:09:15 +0100 From: "Rogier R. Mulhuijzen" <drwilco@drwilco.nl> To: "Drew J. Weaver" <drew.weaver@thenap.com> Cc: freebsd-net@FreeBSD.ORG Subject: Re: Quick question about IP aliasing Message-ID: <4.3.2.7.0.20010227000742.00d24820@mail.bsdchicks.com> In-Reply-To: <B1A7D9973EBED3119ADD009027DC8649180DBF@mailman.thenap.com>
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--=====================_1063673668==_.ALT Content-Type: text/plain; charset="us-ascii"; format=flowed At 10:27 26-2-01 -0500, you wrote: > Say I have a main server Ip address of (This is completely made > up) 209.190.53.51, and I have 32 IP addresses blocked to it on > 209.51.193.32-64 (or whatever, this is an example) would this alias line > still be valid for that? I've never done a server where the MAIN IP and > the aliased IPs were on different IP classes. > >ifconfig_fxp0_alias0="inet 209.51.193.32 netmask 255.255.255.0" (is an >example of what im using for the aliases.) > >Is there something special I need to do since these aren't on the same net? No, you can just use the regular netmask for the first IP in a new subnet. It's only when you have more than one IP in the same subnet that you need to use 255.255.255.255 (or 0xffffffff, which I prefer) as a subnetmask. DocWilco --=====================_1063673668==_.ALT Content-Type: text/html; charset="us-ascii" <html> At 10:27 26-2-01 -0500, you wrote:<br> <br> <blockquote type=cite cite> <font size=2>Say I have a main server Ip address of (This is completely made up) 209.190.53.51, and I have 32 IP addresses blocked to it on 209.51.193.32-64 (or whatever, this is an example) would this alias line still be valid for that? I've never done a server where the MAIN IP and the aliased IPs were on different IP classes.<br> </font><br> <font face="Courier New, Courier" size=2>ifconfig_fxp0_alias0="inet 209.51.193.32 netmask 255.255.255.0" (is an example of what im using for the aliases.)</font> <br> <br> <font face="Courier New, Courier" size=2>Is there something special I need to do since these aren't on the same net?</font> </blockquote><br> No, you can just use the regular netmask for the first IP in a new subnet. It's only when you have more than one IP in the same subnet that you need to use 255.255.255.255 (or 0xffffffff, which I prefer) as a subnetmask.<br> <br> <x-tab> </x-tab>DocWilco</html> --=====================_1063673668==_.ALT-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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