Re: [Xen-users] Troubleshooting Bridging

Adam Carheden
Tue, 06 Dec 2005 17:00:54 -0000

No, both the netmask and broadcast are correct and were assigned to
Dom0 by DHCP.

Address:   192.168.109.26
Netmask:   255.255.254.0 = 23
Network:   192.168.108.0/23
Broadcast: 192.168.109.255
HostMin:   192.168.108.1
HostMax:   192.168.109.254
Hosts/Net: 510


On 12/5/05, Nivedita Singhvi <niv@us.ibm.com>
wrote:
> 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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