bhyve: is there a way to connect to the internet from guest, knowing that the host connect through 3g modem?

  • Thread starter Deleted member 74338
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Deleted member 74338

Guest
ifconfig host
Code: 
em0: flags=8963<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=4812099<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWFILTER,NOMAP>
        ether 00:21:cc:72:71:ba
        inet 192.168.0.10 netmask 0xffffff00 broadcast 192.168.0.255
        media: Ethernet autoselect
        status: no carrier
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
        inet 127.0.0.1 netmask 0xff000000
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 58:9c:fc:10:db:7d
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 4 priority 128 path cost 2000000
        member: em0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 1 priority 128 path cost 2000000
        groups: bridge
        nd6 options=9<PERFORMNUD,IFDISABLED>
tap0: flags=8903<UP,BROADCAST,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=80000<LINKSTATE>
        ether 58:9c:fc:10:17:2e
        groups: tap
        media: Ethernet autoselect
        status: no carrier
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
vm-public: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether fe:bb:64:54:18:58
        inet 192.168.8.1 netmask 0xffffff00 broadcast 192.168.8.255
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: tap1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 7 priority 128 path cost 2000000
        groups: bridge vm-switch viid-4c918@
        nd6 options=9<PERFORMNUD,IFDISABLED>
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1500
        options=80000<LINKSTATE>
        inet 10.236.25.13 --> 10.0.0.2 netmask 0xffffffff
        groups: tun
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        Opened by PID 9113
tap1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
        description: vmnet-freebsd-cloud-0-public
        options=80000<LINKSTATE>
        ether 58:9c:fc:00:78:1e
        groups: tap vm-port
        media: Ethernet autoselect
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        Opened by PID 13399

ifconfig guest
Code: 
vtnet0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
        ether 58:9c:fc:0d:30:56
        inet 192.168.0.2 netmask 0xffffff00 broadcast 192.168.0.255
        media: Ethernet autoselect (10Gbase-T <full-duplex>)
        status: active
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
        inet 127.0.0.1 netmask 0xff000000
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
 
It doesn't matter what kind or type of uplink you have. It's all IP. You could set up NAT to translate the traffic, just like you would do for a physical machine on your network. Another option is to treat the bridge as a separate subnet (don't attach em0 to it) and fix things with proper routing.
 
SirDice said:
It doesn't matter what kind or type of uplink you have. It's all IP. You could set up NAT to translate the traffic, just like you would do for a physical machine on your network. Another option is to treat the bridge as a separate subnet (don't attach em0 to it) and fix things with proper routing.
Click to expand...
Thank you for your reply.
I started searching about routing topic, is there terms or references you suggest?
 
Ahyo said:
I want something to help me in my situation.
Click to expand...
No, you want someone to spoon feed you some commands. You won't learn anything from that.
Ahyo said:
like what routing configuration I need to access the internet from virtual machine
Click to expand...
If you understand how routing works you can figure this out on your own, it's really not that difficult to understand.
Ahyo said:
knowing that both are freebsd.
Click to expand...
That is actually irrelevant as TCP/IP routing works the same way on every OS and/or network device. Just learn the fundamentals of TCP/IP, notably subnetting and routing. This knowledge will help you solve all sorts of network related problems.
 
No, you want someone to spoon feed you some commands.
Click to expand...
If I wanted that, I wouldn't ask you for references to look for!
Anyway, thanks for your kindness
 
Ahyo said:
I wouldn't ask you for references to look for!
Click to expand...
I gave you a reference to look at. Nothing of TCP/IP routing is specific to FreeBSD. I can point you to the route(8) manual page but it's all going to be gibberish if you don't understand how routing works. The manual page only explains what the various arguments of the command are. It's not going to explain how to actually use it or how routing works.

View: https://www.youtube.com/watch?v=8qtKpZGoNdI
 
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