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xen-users
RE: [Xen-users] 3.0.2 NAT headaches
Hi John,
Have you applied the fix for the potential packed header corruption on Xen
DomU interfaces?
root@harpseal:~# cat /etc/network/if-up.d/fix-xen
#!/bin/bash
if [ $IFACE != "lo" ] ; then
ethtool -K $IFACE tx off
fi
root@harpseal:~#
I have to have this script on all my DomUs to make the networking reliable.
- Roger
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of John Wells
> Sent: 08 August 2006 17:48
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] 3.0.2 NAT headaches
>
> Guys,
>
> I'm struggling to make NAT work on Debian Sarge. Bridging works fine, but
> when I try to switch to NAT, I can't ping anything.
>
> Here is what I have done:
>
> Switch /etc/xen/xend-config.sxp network-script and vif-script from
> network-route and vif-route to:
>
> (network-script network-nat)
> (vif-script vif-nat)
>
> In my domU config:
> vif=[ 'ip=10.0.0.1' ]
> dhcp="off"
> hostname="vm01.example.com"
> ip="10.0.0.1"
> netmask="255.0.0.0"
> gateway="10.0.0.254"
> extra="3"
>
> When I boot the domU, I set eth0 to be 10.0.0.1/8 and the default route as
> 10.0.0.254. I cannot ping out at all.
>
> When I look at dom0 after booting the domU, I see the following
> interfaces:
>
> eth0 Link encap:Ethernet HWaddr 00:0E:0C:68:64:37
> inet addr:72.232.35.21 Bcast:72.232.35.31 Mask:255.255.255.248
> inet6 addr: fe80::20e:cff:fe68:6437/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:1708 errors:0 dropped:0 overruns:0 frame:0
> TX packets:2325 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:176884 (172.7 KiB) TX bytes:200160 (195.4 KiB)
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> inet6 addr: ::1/128 Scope:Host
> UP LOOPBACK RUNNING MTU:16436 Metric:1
> RX packets:20 errors:0 dropped:0 overruns:0 frame:0
> TX packets:20 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:1560 (1.5 KiB) TX bytes:1560 (1.5 KiB)
>
> peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
> RX packets:26668 errors:0 dropped:0 overruns:0 frame:0
> TX packets:17706 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:3907182 (3.7 MiB) TX bytes:2379910 (2.2 MiB)
>
> vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:5218 errors:0 dropped:0 overruns:0 frame:0
> TX packets:6337 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:632298 (617.4 KiB) TX bytes:585057 (571.3 KiB)
>
> vif7.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet addr:10.0.0.128 Bcast:0.0.0.0 Mask:255.255.255.255
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:1496 errors:0 dropped:0 overruns:0 frame:0
> TX packets:191 errors:0 dropped:6 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:85219 (83.2 KiB) TX bytes:8022 (7.8 KiB)
>
> xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:259 errors:0 dropped:0 overruns:0 frame:0
> TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:66206 (64.6 KiB) TX bytes:468 (468.0 b)
>
> Can anyone tell me what I'm missing/doing wrong? I really appreciate any
> help you may provide.
>
> Thanks!
>
> John
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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