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Mac Forum / Applications / Virtual PC / November 2005Can't get Virtual Switch to work
Hey guys, I have scoured this forum but can't find anything similar to my problem. I bought Virtual PC 7 for one reason and one reason only - I want to test web sites I develop on OS X in Internet Explorer. So I have a web server running on OS X, and I wanted to jump onto VPC and load Internet Explorer from there. Sounded simple enough. I found out I'd need to use "Virtual Switch" to do this, as the host wouldn't be accessible by IP in Shared Connection mode. So, I updated to 7.0.2, restarted my Mac just in case, set VPC to Virtual Switch mode, and... no go. I am greeted with a "Limited or no connectivity" message in the Local Area Connection Status dialog in Windows. I have no internet access (I do have internet access when in Shared mode). Does anyone have any idea what is going on? I am starting to feel like this was a silly use of $260... Thanks! > Hey guys, > [quoted text clipped - 19 lines] > > Thanks! The only way I could get my version of VPC networking to work was to connect my cable modem to a router and all my systems to the router. It handled the NAT translation so that the IP addresses on the MacOS and those on VPC worked. I assigned an IP to the web server, one for each site (in /etc/httpd/httpd.conf) and added these IP addresses to /etc/hosts. On the VPC side, I modified c:\WINDOWS\system32\drivers\etc\hosts to have the matching IP entries. Now, both my MacOS X system and XP on VPC can access the local apache server running on the MacOS X system under Shared Network access.  SignatureDeeDee, don't press that button! DeeDee! NO! Dee... I'm not sure I understand that. I have a similar cofiguration (machines connected to router, router connected to DSL), but the problem is I cannot see the IP of the real machine from inside VPC, so I wouldn't know what IP addresses to set in the httpd.conf file. My router assigns IPs in the 192.168.5.x range. The IP in the VPC machine, however, is not in this range - it is in a mysterious 192.168.172.x range. I could not ping any machine on my network by its assigned IP address, or the router at 192.168.5.1. I ran a scanner from within VPC, hoping to uncover IP addresses that I could ping, but only found one other - 192.168.172.254, which mysteriously turned out to be the router that is supposed to be on .5.1. So, I really wouldn't know what to put in the hosts file, considering VPC can't see anything besides the router. I was under the impression this could only be accomplished in Virtual Switch mode. I'm not sure I understand that. I have a similar cofiguration (machines connected to router, router connected to DSL), but the problem is I cannot see the IP of the real machine from inside VPC, so I wouldn't know what IP addresses to set in the httpd.conf file. My router assigns IPs in the 192.168.5.x range. The IP in the VPC machine, however, is not in this range - it is in a mysterious 192.168.172.x range. I could not ping any machine on my network by its assigned IP address, or the router at 192.168.5.1. I ran a scanner from within VPC, hoping to uncover IP addresses that I could ping, but only found one other - 192.168.172.254, which mysteriously turned out to be the router that is supposed to be on .5.1. So, I really wouldn't know what to put in the hosts file, considering VPC can't see anything besides the router. I was under the impression this could only be accomplished in Virtual Switch mode. >I'm not sure I understand that. I have a similar cofiguration (machines >connected to router, router connected to DSL), but the problem is I [quoted text clipped - 14 lines] >I was under the impression this could only be accomplished in Virtual >Switch mode. What is selected for the network card under the VM? Make sure you've got the correct network card select, i.e. the one plugged into the network. Have you verified that the Windows is set to DHCP? Have you tried renewing the IP address in Windows? 1. start->run->"cmd", "enter", "ipconfig /renew" SignatureCheers, Steve Jain, Virtual Machine MVP http://vpc.essjae.com/ "This posting is provided "AS IS" with no warranties, and confers no rights. You assume all risk for your use. I am not am employee of Microsoft." I assume the correct network card is selected, since I have internet access in VPC when I am in Shared mode. It is configured to use DHCP. Running ipconfig /renew while in Virtual Switch mode eventually returns this message: "An error occurred while renewing interface Local Area Connection : unable to con tact your DHCP server. Request has timed out. >I assume the correct network card is selected, since I have internet >access in VPC when I am in Shared mode. Not necessarily. >It is configured to use DHCP. Running ipconfig /renew while in Virtual >Switch mode eventually returns this message: > >"An error occurred while renewing interface Local Area Connection : >unable to con >tact your DHCP server. Request has timed out. With that message, then Windows is not seeing your router. Make sure that the correct network card is selected, since you have no connectivity. Are you using a wired or wireless network? SignatureCheers, Steve Jain, Virtual Machine MVP http://vpc.essjae.com/ "This posting is provided "AS IS" with no warranties, and confers no rights. You assume all risk for your use. I am not am employee of Microsoft." I am on a wired network. I have the following options avaiable to me: (Default) Built-in Ethernet PCI Ethernet Slot GIGE, Port 2 PCI Ethernet, Port 2 I have tried all 4 selections, and in every case I get the "Limited or no connectivity" warning, and ipconfig /renew returns the same message. >I am on a wired network. > [quoted text clipped - 7 lines] >I have tried all 4 selections, and in every case I get the "Limited or >no connectivity" warning, and ipconfig /renew returns the same message. Which one is the patch cable plugged in to? That's the only one that matters. SignatureCheers, Steve Jain, Virtual Machine MVP http://vpc.essjae.com/ "This posting is provided "AS IS" with no warranties, and confers no rights. You assume all risk for your use. I am not am employee of Microsoft." Built-in Ethernet, which is also (Default). > Hey guys, > [quoted text clipped - 17 lines] > Does anyone have any idea what is going on? I am starting to feel like > this was a silly use of $260... Do you have a router on your network? If the Mac is directly connected to your cable or DSL modem, they may only give out one address per modem unless you pay extra. When you use Virtual Switch, it's as if you had two computers connected to the modem with a hub, and if the ISP only gives out one address then VPC won't be able to get an address. So you'll either have to pay for multiple IP's from your ISP (probably a recurring charge of $5-10/month, if they offer it at all) or get a router. SignatureBarry Margolin, barmar@alum.mit.edu Arlington, MA I have a router with other machines connected to it. The problem is the router just isn't visible to the VPC machine when in Virtual Switch mode. > I have a router with other machines connected to it. The problem is the > router just isn't visible to the VPC machine when in Virtual Switch > mode. Do you have any kind of MAC address security enabled on the router? When using Virtual Switch, the virtual machine will have a different MAC address from the host machine. Check your router's log to see if it reports anything about the VPC's MAC address, which you should be able to get from ipconfig/all in Windows. P.S. Please remember to quote the context in your replies. This is Usenet, not a threaded forum like Google makes it seem to you. SignatureBarry Margolin, barmar@alum.mit.edu Arlington, MA |
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