Networking issues
Neel Natu
neelnatu at gmail.com
Mon Feb 10 01:18:03 UTC 2014
Hi Sebastian,
On Fri, Feb 7, 2014 at 12:03 PM, <ickler at gmail.com> wrote:
> Hello virtualization-lovers,
>
> I am very dedicated to FreeBSD since 7.2 and welcome the new bhyve
> hypervisor. :)
>
> So I set everything up, launched the guest and set up the network. The
> problem now is, I can reach the host IP, but not the default gateway. Did I
> forget to set something up?
> The system is a hosted root box.
>
> My current setup (i changed the IP's except the last octet):
> ---snip---
> host:
> # ifconfig
> re0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
> mtu 1500
>
> options=82099<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE>
> ether 30:85:a9:ed:01:22
> inet 192.168.0.137 netmask 0xffffffe0 broadcast 192.168.0.159
> inet6 fe80::3285:a9ff:feed:122%re0 prefixlen 64 scopeid 0x1
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet autoselect (1000baseT <full-duplex>)
> status: active
> bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> 1500
> ether 02:0d:2a:df:6e:00
> nd6 options=1<PERFORMNUD>
> 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: re0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
> ifmaxaddr 0 port 1 priority 128 path cost 20000
> tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
> mtu 1500
> options=80000<LINKSTATE>
> ether 00:bd:fe:79:0e:00
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet autoselect
> status: active
> Opened by PID 16910
>
> # netstat -rn
> Routing tables
>
> Internet:
> Destination Gateway Flags Refs Use Netif Expire
> default 5.9.157.129 UGS 0 293321 re0
> 192.168.0.128/27 link#1 U 0 30 re0
> 192.168.0.137 link#1 UHS 0 0 lo0
> 127.0.0.1 link#2 UH 0 1606 lo0
>
> ---snip---
>
> ---snip---
> guest:
> # ifconfig
> vtnet0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
> mtu 1500
> options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE>
> ether 00:a0:98:18:c4:69
> inet 192.168.0.154 netmask 0xffffffe0 broadcast 192.168.0.159
> inet6 fe80::2a0:98ff:fe18:c469%vtnet0 prefixlen 64 scopeid 0x1
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: Ethernet 10Gbase-T <full-duplex>
> status: active
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
> options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
> inet6 ::1 prefixlen 128
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
> inet 127.0.0.1 netmask 0xff000000
> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>
> # netstat -rn
> Routing tables
>
> Internet:
> Destination Gateway Flags Refs Use Netif Expire
> default 5.9.157.129 UGS 0 418 vtnet0
> 192.168.0.128/27 link#1 U 0 24 vtnet0
> 192.168.0.154 link#1 UHS 0 0 lo0
> 127.0.0.1 link#2 UH 0 24 lo0
>
> ---snip---
>
> ping host -> guest works
>
> # ping 192.168.0.154
> PING 192.168.0.154 (192.168.0.154): 56 data bytes
> 64 bytes from 192.168.0.154: icmp_seq=0 ttl=64 time=0.083 ms
> 64 bytes from 192.168.0.154: icmp_seq=1 ttl=64 time=0.094 ms
>
>
> ping guest -> host works
>
> # ping 192.168.0.137
> PING 192.168.0.137 (192.168.0.137): 56 data bytes
> 64 bytes from 192.168.0.137: icmp_seq=0 ttl=64 time=0.398 ms
> 64 bytes from 192.168.0.137: icmp_seq=1 ttl=64 time=0.069 ms
>
>
> ping 173.194.70.102 (google.com) from guest - doesn't work...
> # ping 173.194.70.102
> PING 173.194.70.102 (173.194.70.102): 56 data bytes
> --- 173.194.70.102 ping statistics ---
> 3 packets transmitted, 0 packets received, 100.0% packet loss
>
> tcpdump listening on the host:
>
> # tcpdump -N -vv -i bridge0
> tcpdump: WARNING: bridge0: no IPv4 address assigned
> tcpdump: listening on bridge0, link-type EN10MB (Ethernet), capture size
> 65535 bytes
> 19:58:19.139767 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has static
> tell 192.168.0.137, length 46
>
> ---^ same on tap0
>
>
> What's wrong with that setup? Did I forget to set a proper route? Or is it
> a MAC address issue?
>
Can you ping the default router from your guest?
Also, I was bit puzzled that the default router is 5.9.157.129 on a
192.168.0.128/27 subnet. Should I read it as 192.168.0.129 instead?
best
Neel
> Thanks in advance,
>
> Sebastian
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