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xen-users
Hello list,
So close, and yet so far ...
I have everything working, as far as I can tell, except for networking.
And that's -half- working. I hope someone out there can help. Here's
the situation:
dom0: full network access in and out via wireless interface wlan0. Can
ping dom1.
dom1: can ping dom0, but no connectivity to the wide world beyond.
Pings result in:
dom1:~# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
>From 192.168.1.110 icmp_seq=1 Destination Host Unreachable
--- dom0 ifconfig: -----------
vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:238 errors:0 dropped:0 overruns:0 frame:0
TX packets:105 errors:0 dropped:3 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10108 (9.8 KiB) TX bytes:14293 (13.9 KiB)
wlan0 Link encap:Ethernet HWaddr 00:40:F4:5E:B9:26
inet addr:192.168.1.109 Bcast:192.168.1.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17185 errors:0 dropped:0 overruns:0 frame:0
TX packets:4281 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8683098 (8.2 MiB) TX bytes:1531852 (1.4 MiB)
Memory:ec010000-ec0100ff
xen-br0 Link encap:Ethernet HWaddr 00:40:F4:5E:B9:26
inet addr:192.168.1.109 Bcast:192.168.1.255
Mask:255.255.255.255
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:568 errors:0 dropped:0 overruns:0 frame:0
TX packets:205 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:38069 (37.1 KiB) TX bytes:28774 (28.0 KiB)
-------------------------------------
dom0: route
root@Eureka:/home/eric # route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.1.0 * 255.255.255.0 U 0 0 0
xen-br0
default 192.168.1.1 0.0.0.0 UG 0 0 0
xen-br0
-------------------------------------
dom0: brctl
root@Eureka:/home/eric # brctl show
bridge name bridge id STP enabled interfaces
xen-br0 8000.0040f45eb926 no vif1.0
wlan0
root@Eureka:/home/eric # brctl showmacs xen-br0
port no mac addr is local? ageing timer
1 00:30:1b:33:89:16 no 0.00
1 00:40:f4:5e:b9:26 yes 0.00
2 aa:00:00:52:7f:62 no 287.98
2 fe:ff:ff:ff:ff:ff yes 0.00
-------------------------------------
dom1:~# ifconfig
eth0 Link encap:Ethernet HWaddr AA:00:00:52:7F:62
inet addr:192.168.1.110 Bcast:192.168.1.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:117 errors:0 dropped:0 overruns:0 frame:0
TX packets:238 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:16249 (15.8 KiB) TX bytes:10108 (9.8 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:81 errors:0 dropped:0 overruns:0 frame:0
TX packets:81 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:7288 (7.1 KiB) TX bytes:7288 (7.1 KiB)
-------------------------------------------
Furthermore, starting dom1 seems to result in external dom0 network
connections having problems. I was ssh'd to dom0 from an external box,
started dom1, and found that my ssh connection was hung. Attempts at
new ssh connections resulted in "No Route to Host" errors. After
restarting the dom0 ssh daemon from the physical console, all was well
again. After that, ssh sessions fail intermittently, in a way that
seems associated with starting a domU.
While running tcpdump on dom0 against wlan0, I can see arp requests that
have originated from dom1, and I can see the arp responses. But it
seems like dom1 does not receive the responses, thus the "no route to
host" errors.
Thoughts? This could be an ndiswrapper bug of some sort (maybe it
doesn't correctly support promiscuous operation) but haven't had a
chance to test against a wired network for comparison.
TIA,
Eric
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