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my Guest os's ip and netmask below:
inet addr:129.22.28.224 Bcast:129.22.31.255
Mask:255.255.224.0
my Domain 0's ip and netmask below:
inet addr:129.22.28.16 Bcast:129.22.31.255
Mask:255.255.224.0
I can't ping Domain0 in Guest os.
Why my guest os network disconnect domain 0 or anthor
external network?Thank you very much!
Domain 0:
linux-jx4z:/etc/xen/scripts #
ifconfig
eth0 Link encap:Ethernet HWaddr
00:E0:81:81:0A:50
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:54
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:8868 (8.6 Kb) TX bytes:0 (0.0 b)
eth2 Link encap:Ethernet
HWaddr
00:E0:81:81:09:D5
inet
addr:129.22.28.16 Bcast:129.22.31.255
Mask:255.255.224.0
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX
packets:2454545 errors:0 dropped:0 overruns:0
frame:0
TX
packets:29138 errors:2 dropped:0 overruns:0
carrier:2
collisions:0
txqueuelen:1000
RX
bytes:187297285 (178.6 Mb) TX bytes:8064140 (7.6 Mb)
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:1640 errors:0 dropped:0 overruns:0
frame:0
TX
packets:1640 errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:128254 (125.2 Kb) TX bytes:128254 (125.2 Kb)
peth0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
UP
BROADCAST NOARP MTU:1500
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:1000
RX
bytes:0 (0.0 b) TX bytes:0 (0.0
b)
Base address:0x2000
Memory:df220000-df240000
vif0.0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
UP
BROADCAST RUNNING NOARP MTU:1500
Metric:1
RX packets:0
errors:0 dropped:0 overruns:0
frame:0
TX packets:54
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:0 (0.0 b) TX bytes:8868 (8.6 Kb)
vif2.0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
UP
BROADCAST RUNNING NOARP MTU:1500
Metric:1
RX packets:11
errors:0 dropped:0 overruns:0
frame:0
TX packets:36
errors:0 dropped:1 overruns:0
carrier:0
collisions:0
txqueuelen:32
RX
bytes:3608 (3.5 Kb) TX bytes:4512 (4.4 Kb)
vif3.0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
UP
BROADCAST RUNNING NOARP MTU:1500
Metric:1
RX packets:41
errors:0 dropped:0 overruns:0
frame:0
TX packets:0
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:32
RX
bytes:2948 (2.8 Kb) TX bytes:0 (0.0 b)
xenbr0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
UP
BROADCAST RUNNING NOARP MTU:1500
Metric:1
RX packets:54
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:8112 (7.9 Kb) TX bytes:0 (0.0 b)
===================================================================================================
linux-jx4z:/etc/xen/scripts # brctl show
bridge
name bridge
id
STP enabled
interfaces
xenbr0
8000.feffffffffff
no
vif0.0
peth0
vif3.0
vif2.0
===================================================================================================
GUEST OS:
[root@fc5_pristine /]#
ifconfig
eth0 Link encap:Ethernet HWaddr
00:16:3E:73:08:24
inet
addr:129.22.28.224 Bcast:129.22.31.255
Mask:255.255.224.0
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:0
errors:0 dropped:0 overruns:0
frame:0
TX packets:41
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:1000
RX
bytes:0 (0.0 b) TX bytes:3522 (3.4 KiB)
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:37
errors:0 dropped:0 overruns:0
frame:0
TX packets:37
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:3704 (3.6 KiB) TX bytes:3704 (3.6 KiB)
===================================================================================================
network-bridge:
linux-jx4z:/etc/xen/scripts # vi
network-bridge
fi
ip link set ${netdev} down arp
off
ip link set ${netdev} addr
fe:ff:ff:ff:ff:ff
ip link set
${pdev} down
ip addr flush
${netdev}
ip link set ${pdev} addr
${mac} arp on
brctl delif
${bridge} ${pdev}
brctl delif
${bridge} ${vif0}
ip link set
${bridge} down
ip link set
${netdev} name ${vdev}
ip link set
${pdev} name ${netdev}
do_ifup
${netdev}
else
transfer_routes ${bridge}
${netdev}
ip link set ${bridge}
down
fi
brctl delbr
${bridge}
}
# adds $dev to $bridge but waits for $dev to be in running
state first
add_to_bridge2() {
local
bridge=$1
local dev=$2
local
maxtries=10
echo -n "Waiting for ${dev} to negotiate
link."
ip link set ${dev} up
for i
in `seq ${maxtries}` ; do
if
ifconfig ${dev} | grep -q RUNNING ;
then
break
else
echo
-n '.'
sleep 1
fi
done
if [ ${i} -eq ${maxtries} ] ; then echo
'(link isnt in running state)' ; fi
add_to_bridge ${bridge}
${dev}
}
case "$command" in
start)
op_start
;;
stop)
op_stop
;;
status)
show_status ${netdev}
${bridge}
;;
*)
echo "Unknown command:
$command" >&2
echo 'Valid
commands are: start, stop, status'
>&2
exit
1
esac
===================================================================================================
vif-bridge:
linux-jx4z:/etc/xen/scripts # vi vif-bridge
# Environment
vars:
# vif vif interface
name (required).
# XENBUS_PATH path to this device's details in the XenStore
(required).
#
# Read from the store:
# bridge bridge to add the
vif to (optional). Defaults to searching for
the
# bridge itself.
#
ip list of IP networks for the vif,
space-separated (optional).
#
# up:
# Enslaves the vif interface to the
bridge and adds iptables rules
# for its ip addresses (if any).
#
#
down:
# Removes the vif interface from the bridge and removes the
iptables
# rules for its ip addresses (if
any).
#============================================================================
dir=$(dirname "$0")
. "$dir/vif-common.sh"
bridge=${bridge:-}
bridge=$(xenstore_read_default
"$XENBUS_PATH/bridge" "$bridge")
if [ -z "$bridge" ]
then
bridge=$(brctl show |
cut -d "
" -f 2 | cut -f 1)
if [ -z "$bridge" ]
then
fatal "Could not find bridge, and none was
specified"
fi
fi
RET=0
ip link show $bridge 1>/dev/null 2>&1 ||
RET=1
if [ "$RET" -eq 1 ]
then
fatal "Could not find
bridge device $bridge"
fi
case "$command" in
online)
setup_bridge_port
"$vif"
add_to_bridge "$bridge"
"$vif"
;;
offline)
do_without_error brctl
delif "$bridge" "$vif"
do_without_error ifconfig "$vif"
down
;;
esac
handle_iptable
log debug "Successful vif-bridge $command for $vif, bridge
$bridge."
if [ "$command" = "online" ]
then
success
fi
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