Thanks Rocky, one more question. Can I have more than two? or just two per NIC? Thanks. Dennis/SG ----- Original Message ----- From: Rocky McGaugh To: Dennis Cc: Sent: Thursday, 27 April, 2000 12:56 AM Subject: Re: [SLE] - Reverse of NAT (corrected version)

On Thu, 27 Apr 2000, Dennis wrote:

...

One of my friend just asked me this question, I would be interested to

know

...

if this can be done under SuSE?

Qn:

If one is to use SuSE as web server with 1 NIC, instead of having only 1 ip addr, is there a way to setup (via alias or otherwise) multiple virtual ip addrs with SuSE box?

Ans: ???

Thanks. Dennis/SG

yes, called IP aliasing. there is a howto about it. looks like:

ifconfig eth0:1 192.168.1.1 up ifconfig eth0:2 192.168.1.2 up

brings up both 192.168.1.1 qand 192.168.1.2 on eth0

have fun..:) -- ======================================================================== Rocky McGaugh Atipa Linux Solutions Product Development www.atipa.com rocky@smluc.org rmcgaugh@atipa.com ========================================================================

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Thanks a lot, I will try it and let my friend know. This will make him awake for the night, I think. :-) Dennis/SG.

more than 2 yes.

most i believe i've seen was like 60 on an interface. limit is 256 IP's on one card. if you need more than that, can try editing /usr/include/linux/net_alias.h

have fun..:)

-- ======================================================================== Rocky McGaugh Atipa Linux Solutions Product Development www.atipa.com rocky@smluc.org rmcgaugh@atipa.com ========================================================================

On Thu, 27 Apr 2000, Dennis wrote:

...

Thanks Rocky, one more question.

Can I have more than two? or just two per NIC?

Thanks. Dennis/SG

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Thanks Michael, I tried, it works.... setup 20 different IPs with one card, but only the response is a bit slower when ping from another PC. What a joy.. :-) But cannot see them in Win9x network neighbourhood? invisible?? Dennis/SG.

On Thu, 27 Apr 2000, Dennis wrote:

...

If one is to use SuSE as web server with 1 NIC, instead of having only 1 ip addr, is there a way to setup (via alias or otherwise) multiple virtual ip addrs with SuSE box?

You can set up several IPs for one NIC. Simply call the alias devices that you add on top of eth0, fro example, eth0:0, eth0:1, eth0:2, etc. In Yast, that would be "Network Base Configuration"->New Device->"<Enter other device>"->"eth0:0" and configure this device like any other ethernet device.

-- Michael Hasenstein http://www.suse.de/~mha/ Private Pilot (ASEL+aerobatics) since 1998

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Yes Michael, Samba is running. About the other question, just to see how far it can go with a simple setup (for testing and knowledge only). In real life, of course it's not practical to have a box setup in this manner. Thanks again Michael. Dennis/SG ----- Original Message ----- From: Michael Hasenstein To: Dennis Cc: Sent: Friday, 28 April, 2000 12:30 AM Subject: Re: [SLE] - Reverse of NAT (corrected version)

On Thu, 27 Apr 2000, Dennis wrote:

...

Thanks Michael, I tried, it works.... setup 20 different IPs with one card, but only the response is a bit slower when ping from another PC. What a joy.. :-)

But cannot see them in Win9x network neighbourhood? invisible??

Samba only advertices the one main IP by default. I'm sure you can get it to do that for the other IPs as well, but I'm not sure why you'd want to do that, because that's redundant, unless you want to have different samba's listening each IP.

I guess you have samba running???

-- Michael Hasenstein http://www.suse.de/~mha/ Private Pilot (ASEL+aerobatics) since 1998

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If I am not mistaken, the first one is "eth0:0" The Purple Tiger wrote:

On Thu, 27 Apr 2000, Dennis wrote:

...

If one is to use SuSE as web server with 1 NIC, instead of having only 1 ip addr, is there a way to setup (via alias or otherwise) multiple virtual ip addrs with SuSE box?

Ans: ??? Yes, it is possible to have up to 256 ips' per card I believe.

To do this, you would do something along the lines of:

ifconfig eth0:1 192.168.1.1 up ifconfig eth0:2 192.168.1.2 up ifconfig eth0:3 192.168.1.3 up ... Something like that ;o)

Take care.

-- ...ooO(The Purple Tiger)Ooo... ...ooO(Powered by SuSE Linux!)Ooo... ...ooO(PGP Key available upon request)Ooo... Key fingerprint = CA 82 C6 18 1E 21 17 04 E8 F2 FC 6C 96 F6 A8 73

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-- Michael H. Collins http://www.linuxlink.com The Ultimate WM http://www.xfce.org Fun with the Austin Linux group http://www.austinlug.org Need a Real Texas Radio Fix? http://www.texasrebelradio.com -- To unsubscribe send e-mail to suse-linux-e-unsubscribe@suse.com For additional commands send e-mail to suse-linux-e-help@suse.com Also check the FAQ at http://www.suse.com/Support/Doku/FAQ/