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runqemu-ifup: enable ip masquerading for QEMU NAT addresses

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Fix the IP masquerading settings so that networked QEMU sessions can
reach external networks.

This is a partial fix for [YOCTO #2329].

(From OE-Core rev: 14c4ce77b5c3738a8a9ea7d724de7ce9efff18c4)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Garman 2012-04-24 17:11:26 -07:00 committed by Richard Purdie
parent 2874efa132
commit 0f95925b4c
1 changed files with 2 additions and 1 deletions
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3
scripts/runqemu-ifup
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@ -100,7 +100,8 @@ dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ]
$ROUTE add -host 192.168.7.$dest $TAP
# setup NAT for tap0 interface to have internet access in QEMU
$IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.0/24
$IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32
$IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32
echo 1 > /proc/sys/net/ipv4/ip_forward
$IPTABLES -P FORWARD ACCEPT