Re: [Xen-users] Troubleshooting Bridging

Nivedita Singhvi
Tue, 06 Dec 2005 03:25:12 -0000

Adam Carheden wrote:

> dom0:/etc/xen # iptables --list
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> ACCEPT     all  --  anywhere             anywhere            PHYSDEV match
> --physdev-in eth0
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
> dom0:/etc/xen # brctl show
> bridge name     bridge id               STP enabled     interfaces
> xen-br0         8000.00105aac4561       no              eth0
>                                                         vif7.0
>                                                         vif8.0
> dom0:/etc/xen # ifconfig -a
> eth0      Link encap:Ethernet  HWaddr 00:10:5A:AC:45:61
>           inet addr:192.168.109.26  Bcast:192.168.109.255  Mask:
> 255.255.254.0

Mismatch between your mask and broadcast. Is that 254 a typo?

thanks,
Nivedita



>           inet6 addr: fe80::210:5aff:feac:4561/64 Scope:Link
>           UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:53322 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:34477 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:53151039 (50.6 Mb)  TX bytes:4320684 (4.1 Mb)
>           Interrupt:9 Base address:0x1000
>
> 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:13705 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:13705 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:1004429 (980.8 Kb)  TX bytes:1004429 (980.8 Kb)
>
> sit0      Link encap:IPv6-in-IPv4
>           NOARP  MTU:1480  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>
> vif7.0    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:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:420 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>
> vif8.0    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:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:411 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>
> xen-br0   Link encap:Ethernet  HWaddr 00:10:5A:AC:45:61
>           inet addr:192.168.109.26  Bcast:192.168.109.255  Mask:
> 255.255.255.255
>           inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:52126 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:33778 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:52281788 (49.8 Mb)  TX bytes:4217308 (4.0 Mb)
>
> Any hints?
>
> --
> Adam Carheden
>
>
>
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