diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index ac8b86816a2..f7947d5c54b 100644
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -1598,6 +1598,9 @@ Configurable, StateListener<VirtualMachine.State, VirtualMachine.Event, VirtualM
         if (isRedundant) {
             buf.append(" redundant_router=1");
 
+            final int advertInt = NumbersUtil.parseInt(_configDao.getValue(Config.RedundantRouterVrrpInterval.key()), 1);
+            buf.append(" advert_int=").append(advertInt);
+
             final Long vpcId = router.getVpcId();
             final List<DomainRouterVO> routers;
             if (vpcId != null) {
diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsDatabag.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsDatabag.py
index ce490aa9db4..9ccb768d14c 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsDatabag.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsDatabag.py
@@ -154,3 +154,7 @@ class CsCmdLine(CsDataBag):
             return self.idata()['useextdns']
         return False
 
+    def get_advert_int(self):
+        if 'advert_int' in self.idata():
+            return self.idata()['advert_int']
+        return 1
diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsFile.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsFile.py
index 7829c0a99e7..78ad8597f8b 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsFile.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsFile.py
@@ -113,6 +113,7 @@ class CsFile:
         self.new_config[sind:eind] = content
 
     def greplace(self, search, replace):
+        logging.debug("Searching for %s and replacing with %s" % (search, replace))
         self.new_config = [w.replace(search, replace) for w in self.new_config]
 
     def search(self, search, replace):
diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRedundant.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRedundant.py
index f1ab5f785d9..f8d2bc25665 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRedundant.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRedundant.py
@@ -138,6 +138,9 @@ class CsRedundant(object):
             " router_id ", "    router_id %s" % self.cl.get_name())
         keepalived_conf.search(
             " interface ", "    interface %s" % guest.get_device())
+        keepalived_conf.search(
+            " advert_int ", "    advert_int %s" % self.cl.get_advert_int())
+
         keepalived_conf.greplace("[RROUTER_BIN_PATH]", self.CS_ROUTER_DIR)
         keepalived_conf.section("authentication {", "}", [
                                 "        auth_type AH \n", "        auth_pass %s\n" % self.cl.get_router_password()])