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Share internet connections on a 192.168.x.x network
Authored by: pfftdives on Jun 10, '06 01:09:40PM
Hi there. My home net uses 192.168.2.x and so when i tried to use parallels in host-only networking mode, and Internet Sharing, nothing would work because is HARDCODED :( I used your script, it worked very well, THANK YOU.
My next step though, was i want to let the parallels system also ride my mac's vpn tunnel (juniper's network connect vpn - uses jnc0 interface) so that i wouldnt need to run two VPN clients. So here's my script - 99% of it is yours. The difference is i'm running two natds, two divert rules, and ... it works very very well. My only frustration now is that i cant get parallels to NOT hand out DHCP to the host-only adapter, and to have it use osx's bootpd, so i have to manually assign my IP/DNS on the parallels host (windows XP if anyone cares). Here's my current script. Any tips on parallels not-dhcping are greatly appreciated!
# turns up natd/divert for parallels host
# all credit goes to tejinashi
/sbin/ifconfig en2 netmask broadcast
/usr/libexec/bootpd -P -D
/usr/sbin/natd -interface en1 -use_sockets -same_ports -unregistered_only -dynamic -clamp_mss -enable_natportmap -natportmap_interface en2
/usr/sbin/natd -interface jnc0 -use_sockets -same_ports -unregistered_only -dynamic -clamp_mss -enable_natportmap -natportmap_interface en2 -port 8999
/sbin/ipfw add 99 divert 8999 ip from any to via jnc0
/sbin/ipfw add 100 divert natd ip from any to any via en1
/usr/sbin/named -c ~/
/usr/sbin/sysctl -w net.inet.ip.forwarding=1

thanks again!

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