[Xen-bugs] [Bug 62] Losing network when xend started

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http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=62





------- Additional Comments From mike.wray@xxxxxx  2005-05-31 14:56 -------
Before it runs I have this:

[mjw@dhcp-28-24 scripts]$  route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
15.144.24.0     0.0.0.0         255.255.248.0   U     0      0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         15.144.24.1     0.0.0.0         UG    0      0        0 eth0

eth0      Link encap:Ethernet  HWaddr 00:60:B0:FC:F3:6D
           inet addr:15.144.28.24  Bcast:15.144.31.255  Mask:255.255.255.255
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:4534 errors:0 dropped:0 overruns:0 frame:0
           TX packets:213 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:443795 (433.3 Kb)  TX bytes:37427 (36.5 Kb)
           Interrupt:18 Base address:0x7ce0

After it runs I have the following and no network:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
15.144.24.0     0.0.0.0         255.255.248.0   U     0      0        0 veth0
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 veth0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         15.144.24.1     0.0.0.0         UG    0      0        0 veth0

eth0      Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
           UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
           RX packets:1434 errors:0 dropped:0 overruns:0 frame:0
           TX packets:178 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:149013 (145.5 Kb)  TX bytes:32691 (31.9 Kb)
           Interrupt:18 Base address:0x7ce0

veth0     Link encap:Ethernet  HWaddr 00:60:B0:FC:F3:6D
           inet addr:15.144.28.24  Bcast:15.144.31.255  Mask:255.255.255.255
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:197 errors:0 dropped:0 overruns:0 frame:0
           TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:18011 (17.5 Kb)  TX bytes:1428 (1.3 Kb)

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:14 errors:0 dropped:0 overruns:0 frame:0
           TX packets:197 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:1428 (1.3 Kb)  TX bytes:18011 (17.5 Kb)

xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:193 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:14775 (14.4 Kb)  TX bytes:0 (0.0 b)



Here's the output from the ip commands you requested:

[root@dhcp-28-24 scripts]# ip route show
15.144.24.0/21 dev eth0  proto kernel  scope link  src 15.144.28.24 
169.254.0.0/16 dev eth0  scope link 
127.0.0.0/8 dev lo  scope link 
default via 15.144.24.1 dev eth0 
[root@dhcp-28-24 scripts]# ip addr show
1: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:60:b0:fc:f3:6d brd ff:ff:ff:ff:ff:ff
    inet 15.144.28.24/21 brd 15.144.31.255 scope global eth0
2: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:d0:b7:f0:e9:ab brd ff:ff:ff:ff:ff:ff
3: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
4: vif0.0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop 
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
5: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop 
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
6: xen-br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue 
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
    inet 15.144.28.24/32 brd 15.144.31.255 scope global xen-br0
[root@dhcp-28-24 scripts]# ./network-1.1.1.2 start antispoof=no
*network start bridge=xen-br0 netdev=eth0 antispoof=no
May 31 14:57:22 dhcp-28-24 dhclient: receive_packet failed on eth0: Network is 
down
[root@dhcp-28-24 scripts]# ip route show                                       
                           
15.144.24.0/21 dev veth0  proto kernel  scope link  src 15.144.28.24 
169.254.0.0/16 dev veth0  scope link 
127.0.0.0/8 dev lo  scope link 
default via 15.144.24.1 dev veth0 
[root@dhcp-28-24 scripts]# ip addr show
1: eth0: <BROADCAST,MULTICAST,NOARP,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
2: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:d0:b7:f0:e9:ab brd ff:ff:ff:ff:ff:ff
3: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
4: vif0.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue 
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
5: veth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue 
    link/ether 00:60:b0:fc:f3:6d brd ff:ff:ff:ff:ff:ff
    inet 15.144.28.24/32 brd 15.144.31.255 scope global veth0
6: xen-br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue 
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
    inet 15.144.28.24/32 brd 15.144.31.255 scope global xen-br0
[root@dhcp-28-24 scripts]# 



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