ustcweizhou commented on a change in pull request #2476: CLOUDSTACK-10317: Fix
SNAT rules for additional public nics
URL: https://github.com/apache/cloudstack/pull/2476#discussion_r172464559
##
File path: systemvm/debian/opt/cloud/bin/cs/CsAddress.py
##
@@ -388,7 +388,7 @@ def fw_router(self):
self.fw.append(["mangle", "",
"-A VPN_%s -j RETURN" % self.address['public_ip']])
self.fw.append(["nat", "",
-"-A POSTROUTING -o eth2 -j SNAT --to-source %s" %
self.address['public_ip']])
+"-A POSTROUTING -o %s -j SNAT --to-source %s" %
(self.dev, self.address['public_ip'])])
Review comment:
@rhtyd what we are using are
```
diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py
b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py
index e6aea26..d336e0a 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py
@@ -400,7 +400,7 @@ class CsIP:
self.fw.append(["mangle", "",
"-A VPN_%s -j RETURN" %
self.address['public_ip']])
self.fw.append(["nat", "",
-"-A POSTROUTING -o eth2 -j SNAT --to-source %s"
% self.address['public_ip']])
+"-A POSTROUTING -o %s -j SNAT --to-source %s" %
(self.dev, self.cl.get_eth2_ip())])
self.fw.append(["mangle", "",
"-A PREROUTING -i %s -m state --state NEW " %
self.dev +
"-j CONNMARK --set-xmark %s/0x" %
self.dnum])
```
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