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Old 21st July 2008, 08:59
semaru semaru is offline
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Default How can I raise the speed bridge in XEN 3.2

Good afternoon,
Setting the program Xen 3.2 on Ubuntu 8.04 server (according to this instruction http://howtoforge.com/ubuntu-8.04-se...u-repositories) I was faced with the problem I can’t solve. I put DomU in DMZ. In order to do it I made a virtual bridge in Dom0 which connects DomU with Dom0 and LAN. I set routing. While testing I found out that the speed from LAN into DomU is more than 95Mbits/sec, and the speed from DomU into LAN is 100-120Kbits/sec. How can I raise the speed?

Below please find the configuration files:

/etc/xen/xend-config.sxp
Code:
…
(network-script	network-route)
(vif-bridge	xen-br0)
(vif-script	vif-bridge)
…
/etc/xen/domU.cfg
Code:
…
vif = [ ‘bridge=xen-br0’ ]
…
Code:
root@dom0:/etc/xen# brctl show
bridge name     bridge id               STP enabled     interfaces
xen-br0         8000.000000000000       no

root@dom0:/etc/xen# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:15:17:39:87:26
          inet addr:192.168.0.226  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7557 errors:0 dropped:0 overruns:0 frame:0
          TX packets:903 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1176415 (1.1 MB)  TX bytes:288713 (281.9 KB)

eth1      Link encap:Ethernet  HWaddr 00:15:17:39:87:27
          inet addr:10.0.0.1  Bcast:10.0.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2914206 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1697874 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:4200948513 (3.9 GB)  TX bytes:541944659 (516.8 MB)
          Base address:0x1100 Memory:48020000-48040000

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:163 errors:0 dropped:0 overruns:0 frame:0
          TX packets:163 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:23988 (23.4 KB)  TX bytes:23988 (23.4 KB)

xen-br0   Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet addr:10.0.1.1  Bcast:10.0.1.3  Mask:255.255.255.252
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2303729 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3513221 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3545884728 (3.3 GB)  TX bytes:409529162 (390.5 MB)
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  #2  
Old 22nd July 2008, 14:07
falko falko is offline
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Default

Have you tried
Code:
(network-script network-bridge)
instead of
Code:
(network-script	network-route)
in /etc/xen/xend-config.sxp?
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