RE: How should I make two hosts to share an IP?
Torbjörn Sjölander <[email protected]> Mon, 14 May 2007 10:20:09 +0200
| Newsgroups | gmane.comp.apache.mod-wackamole.general |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --===============4222793025314864085== Content-class: urn:content-classes:message Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C79600.62C1ADD8" This is a multi-part message in MIME format. ------_=_NextPart_001_01C79600.62C1ADD8 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, =20 Thanks. =20 I'm after something similar. I have 2 machines with each a "real" address on the network, and want to = a virtual to each machine. =20 Machine One; real:192.168.1.1, virtual: 192.168.1.100 Machine Two; real: 192.168.1.2, virtual: 192.168.1.200 =20 Then of cause if one machine fails, I want the other to take over the = virtual address. =20 I can however, when I try, only make one server take both addresses. I have set "Prefer bge0:192.168.1.100" on Machine One and "Prefer = bge0:192.168.1.200" on Machine Two. =20 How should I set up/configure my scenario? =20 =20 Machine One always takes both virtual addresses.=20 The servers are configured the same way, but one seems to be "primary". =20 How do wackamole pick which server that will be given the virtual ip's?=20 =20 =20 Thankfully =20 Torbj=F6rn =20 =20 ________________________________ From: [email protected] = [mailto:[email protected]] On Behalf Of = Spangler, Tim Sent: den 10 maj 2007 02:08 To: 'Wackamole Users List' Subject: RE: [Wackamole-users] How should I make two hosts to share an = IP? =20 Hello, =20 To have only 1 "real" ip you need to configure your virtual interfaces = like this: =20 VirtualInterfaces { { eth0:192.168.1.100/32 } { eth0:0.0.0.0/26 } } To ensure that a certain server is the primary, use the Prefer paramater = on the wackamole configuration on that server. Ex: =20 Prefer eth0:192.168.1.100/32 =20 Then set the other box to=20 =20 Prefer eth0:0.0.0.0/32 =20 Now, as long as the server with the "real" ip in its prefer line is = running, it will be the one listening on that IP and the other server = will listen on 0.0.0.0. =20 That should pretty much work for a active / failover configuration. I = hope that helps, =20 -Tim Spangler ADP Screening and Selection Services =20 =20 ________________________________ From: Torbj=F6rn Sj=F6lander [mailto:[email protected]]=20 Sent: Tuesday, May 08, 2007 5:41 AM To: [email protected] Subject: [Wackamole-users] How should I make two hosts to share an IP? Hi, =20 I'm trying to configure wackamole to share an IP between two hosts. The IP should only exist on one machine at the time. =20 How should I set up wackamole (and spread?) to make the hosts pass = information between each other? Where do I set which host that will be "primary", owning the shared IP = by default? =20 Or did I misunderstand the whole wackamole concept? =20 Best regards, Torbjorn =20 ------_=_NextPart_001_01C79600.62C1ADD8 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns=3D"http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <meta name=3DGenerator content=3D"Microsoft Word 11 (filtered medium)"> <!--[if !mso]> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style> <![endif]--> <style> <!-- /* Font Definitions */ @font-face {font-family:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman";} a:link, span.MsoHyperlink {color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {color:purple; text-decoration:underline;} p {mso-margin-top-alt:auto; margin-right:0cm; mso-margin-bottom-alt:auto; margin-left:0cm; font-size:12.0pt; font-family:"Times New Roman";} span.EmailStyle18 {mso-style-type:personal; font-family:Arial; color:windowtext;} span.EmailStyle19 {mso-style-type:personal-reply; font-family:Arial; color:navy;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt;} div.Section1 {page:Section1;} --> </style> </head> <body lang=3DEN-US link=3Dblue vlink=3Dpurple> <div class=3DSection1> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Hi,<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Thanks.<o:p></o:p></span></font></p>= <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>I’m after something = similar.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>I have 2 machines with each a = “real” address on the network, and want to a virtual to each = machine.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Machine One; real:192.168.1.1, = virtual: 192.168.1.100<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Machine Two; real: 192.168.1.2, = virtual: 192.168.1.200<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Then of cause if one machine fails, = I want the other to take over the virtual address.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>I can however, when I try, only = make one server take both addresses.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>I have set “Prefer bge0:192.168.1.100” on Machine One=A0 and “Prefer = bge0:192.168.1.200” on Machine Two.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>How should I set up/configure my = scenario?<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Machine One always takes both = virtual addresses. <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>The servers are configured the same = way, but one seems to be “primary”.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>How do wackamole pick which server = that will be given the virtual ip’s? <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Thankfully<o:p></o:p></span></font><= /p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'>Torbj=F6rn<o:p></o:p></span></font><= /p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p> <div> <div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font = size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'> <hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1> </span></font></div> <p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span = style=3D'font-size:10.0pt; font-family:Tahoma;font-weight:bold'>From:</span></font></b><font = size=3D2 face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> [email protected] [mailto:[email protected]] <b><span = style=3D'font-weight: bold'>On Behalf Of </span></b>Spangler, Tim<br> <b><span style=3D'font-weight:bold'>Sent:</span></b> den 10 maj 2007 = 02:08<br> <b><span style=3D'font-weight:bold'>To:</span></b> 'Wackamole Users = List'<br> <b><span style=3D'font-weight:bold'>Subject:</span></b> RE: = [Wackamole-users] How should I make two hosts to share an IP?</span></font><o:p></o:p></p> </div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>Hello,</span></font><o:p></o:p></p> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>To have only 1 "real" ip = you need to configure your virtual interfaces like = this:</span></font><o:p></o:p></p> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>VirtualInterfaces {<br> { eth0:192.168.1.100/32 }<br> { eth0:0.0.0.0/26 }<br> }</span></font><o:p></o:p></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>To ensure that a certain server is = the primary, use the Prefer paramater on the wackamole configuration on that server. Ex:</span></font><o:p></o:p></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'> <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>Prefer = eth0:192.168.1.100/32</span></font><o:p></o:p></p> <div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> </div> <div> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>Then set the other box to = </span></font><o:p></o:p></p> </div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>Prefer = eth0:0.0.0.0/32</span></font><o:p></o:p></p> <div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> </div> <div> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>Now, as long as the server with the "real" ip in its prefer line is running, it will be the one = listening on that IP and the other server will listen on = 0.0.0.0.</span></font><o:p></o:p></p> </div> <div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> </div> <div> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>That should pretty much work for a = active / failover configuration. I hope that = helps,</span></font><o:p></o:p></p> </div> <div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> </div> <div> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>-Tim = Spangler</span></font><o:p></o:p></p> </div> <div> <p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span = style=3D'font-size: 10.0pt;font-family:Arial;color:blue'>ADP Screening and Selection = Services</span></font><o:p></o:p></p> </div> <div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'> <o:p></o:p></span></font></p> </div> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'><o:p> </o:p></span></font></p> <div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font = size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'> <hr size=3D2 width=3D"100%" align=3Dcenter tabIndex=3D-1> </span></font></div> <p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><b><font size=3D2 = face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</spa= n></font></b><font size=3D2 face=3DTahoma><span = style=3D'font-size:10.0pt;font-family:Tahoma'> Torbj=F6rn Sj=F6lander [mailto:[email protected]] <br> <b><span style=3D'font-weight:bold'>Sent:</span></b> Tuesday, May 08, = 2007 5:41 AM<br> <b><span style=3D'font-weight:bold'>To:</span></b> [email protected]<br> <b><span style=3D'font-weight:bold'>Subject:</span></b> = [Wackamole-users] How should I make two hosts to share an IP?</span></font><o:p></o:p></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>Hi,<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>I'm trying to configure wackamole to share an IP = between two hosts.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>The IP should only exist on one machine at the = time.<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>How should I set up wackamole (and spread?) to make = the hosts pass information between each other?<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>Where do I set which host that will be = "primary", owning the shared IP by default?<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>Or did I misunderstand the whole wackamole = concept?<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'><o:p> </o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>Best regards,<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D2 face=3DArial><span = style=3D'font-size:10.0pt; font-family:Arial'>Torbjorn<o:p></o:p></span></font></p> <p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span = style=3D'font-size: 12.0pt'><o:p> </o:p></span></font></p> </div> </body> </html> ------_=_NextPart_001_01C79600.62C1ADD8-- --===============4222793025314864085== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ wackamole-users mailing list [email protected] http://lists.backhand.org/mailman/listinfo/wackamole-users --===============4222793025314864085==--