https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/OVSDB-273 ovsdb <p>Pinging the public gateway from a VM that has a floating IP does not work.</p> <p>Analysis shows that OVS blocks ARP requests from the public gateway.</p> <p>From devstack node:</p> <p><span class="error">&#91;odl@vpn-6-116 ~&#93;</span>$ arp -a<br/> sw01-dist-6.tlv.redhat.com (10.35.7.254) at 40:b4:f0:c2:24:01 <span class="error">&#91;ether&#93;</span> on eth0<br/> Note the public gateway's mac ^^^</p> <p><span class="error">&#91;odl@vpn-6-116 ~&#93;</span>$ sudo ovs-appctl bridge/dump-flows br-int<br/> ...<br/> priority=180004,arp,dl_src=40:b4:f0:c2:24:01,arp_op=1,actions=NORMAL<br/> duration=794s, n_packets=0, n_bytes=0, priority=180003,arp,dl_dst=40:b4:f0:c2:24:01,arp_op=2,actions=NORMAL<br/> ...</p> <p>These (^^^) hidden rules prevent the ARP request from being properly responded to.</p> <p>Operating System: All<br/> Platform: All</p> OVSDB-273

ARP request from public gateway not answered

Bug Resolved Done Josh Hershberg Josh Hershberg Sun, 24 Jan 2016 11:34:35 +0000 Tue, 29 May 2018 14:58:55 +0000 Mon, 25 Jan 2016 15:06:12 +0000 unspecified Southbound.Open_vSwitch 0 3 <p>Note this issue is resolved by setting the bridge as not in "in-band" mode. The bug does not occur in master as a result of this commit:<br/> <span class="error">&#91;root@vm-18-80 ovsdb&#93;</span># git show 3bbc624d<br/> commit 3bbc624dbad7fdcd0bae091d8289990c884dde37<br/> Author: Sam Hague &lt;shague@redhat.com&gt;<br/> Date: Sat Nov 14 00:44:31 2015 -0500</p> <p> rework sfc flows 2</p> <p> Change-Id: I9cb93d19d54cd7bcf7d93ab82e17dbe7579cafb3<br/> Signed-off-by: Sam Hague &lt;shague@redhat.com&gt;</p> <p>More specifically, this specific diff:</p> <p>diff --git a/openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/impl/SouthboundImpl.java b/openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/impl/SouthboundImpl.java<br/> index 2ea5489..38eeaec 100644<br/> &#8212; a/openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/impl/SouthboundImpl.java<br/> +++ b/openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/impl/SouthboundImpl.java<br/> @@ -33,6 +33,8 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.re<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentationBuilder;<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIds;<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigs;<br/> +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsBuilder;<br/> +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsKey;<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;<br/> import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;<br/> @@ -197,6 +199,13 @@ public class SouthboundImpl implements Southbound {<br/> ovsdbBridgeAugmentationBuilder.setProtocolEntry(createMdsalProtocols());<br/> ovsdbBridgeAugmentationBuilder.setFailMode(<br/> MdsalHelper.OVSDB_FAIL_MODE_MAP.inverse().get("secure"));<br/> + BridgeOtherConfigsBuilder bridgeOtherConfigsBuilder = new BridgeOtherConfigsBuilder();<br/> + bridgeOtherConfigsBuilder.setBridgeOtherConfigKey(MdsalHelper.DISABLE_IN_BAND);<br/> + bridgeOtherConfigsBuilder.setBridgeOtherConfigValue("true");<br/> + bridgeOtherConfigsBuilder.setBridgeOtherConfigKey(MdsalHelper.DISABLE_IN_BAND);<br/> + List&lt;BridgeOtherConfigs&gt; bridgeOtherConfigsList = new ArrayList&lt;&gt;();<br/> + bridgeOtherConfigsList.add(bridgeOtherConfigsBuilder.build());<br/> + ovsdbBridgeAugmentationBuilder.setBridgeOtherConfigs(bridgeOtherConfigsList);<br/> setManagedByForBridge(ovsdbBridgeAugmentationBuilder, ovsdbNode.getKey());<br/> if (isOvsdbNodeDpdk(ovsdbNode)) {<br/> ovsdbBridgeAugmentationBuilder.setDatapathType(DatapathTypeNetdev.class);</p> <p>Joshua,</p> <p>did you find this in stable/lithium? so master and stable/beryllium have the disable-inband and are working fine, right?</p> <p>Thanks, Sam</p> <p><a href="https://git.opendaylight.org/gerrit/#/c/33435/" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/33435/</a></p> Development External issue ID 5069 External issue URL Rank 0|i021pr: