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    <title>OpenDaylight JIRA</title>
    <link>https://jira.opendaylight.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>8.20.10</version>
        <build-number>820010</build-number>
        <build-date>22-06-2022</build-date>
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<item>
            <title>[NETVIRT-548] IPV6 service :Router Advertisement (icmpv6_type=134) packets are getting dropped at table=251</title>
                <link>https://jira.opendaylight.org/browse/NETVIRT-548</link>
                <project id="10144" key="NETVIRT">netvirt</project>
                    <description>&lt;p&gt;Test Topology &lt;br/&gt;
===========   &lt;/p&gt;


&lt;p&gt;  VM1  ( OVS-2.6.1)  &amp;#8212;  &amp;gt;  Emulated TOR &amp;#8212;  &amp;gt;  External Router &lt;/p&gt;
&lt;div class=&apos;table-wrap&apos;&gt;
&lt;table class=&apos;confluenceTable&apos;&gt;&lt;tbody&gt;
&lt;tr&gt;
&lt;/tr&gt;
&lt;/tbody&gt;&lt;/table&gt;
&lt;/div&gt;

&lt;p&gt;                                                        VM2 &lt;/p&gt;

&lt;p&gt;Steps : &lt;/p&gt;

&lt;p&gt;1.VM1 and VM2 getting ipv6 address (slaac mode )from External router through L2gateway configuration &lt;br/&gt;
2.IPv6 address is getting assigned on Emulated TOR VMs &lt;br/&gt;
3. Router is sending the RA packets to  VM1 but it&#8217;s getting dropped at table=251.&lt;/p&gt;

&lt;p&gt;Note : Please find the attachment with complete flows and also attached the RA packets pcaps which are hitting at tunnel interface before reaching to VM1. &lt;/p&gt;

&lt;p&gt;Please find the flows &lt;/p&gt;

&lt;p&gt;cookie=0x6900000, duration=1767.935s, table=251, n_packets=0, n_bytes=0, priority=63010,udp,metadata=0x70000000000/0xfffff0000000000,tp_src=67,tp_dst=68 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.909s, table=251, n_packets=0, n_bytes=0, priority=63010,udp6,metadata=0x70000000000/0xfffff0000000000,tp_src=547,tp_dst=546 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.867s, table=251, n_packets=0, n_bytes=0, priority=63010,icmp6,metadata=0x70000000000/0xfffff0000000000,icmp_type=130,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.817s, table=251, n_packets=0, n_bytes=0, priority=63010,icmp6,metadata=0x70000000000/0xfffff0000000000,icmp_type=135,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.743s, table=251, n_packets=4, n_bytes=344, priority=63010,icmp6,metadata=0x70000000000/0xfffff0000000000,icmp_type=136,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.299s, table=251, n_packets=0, n_bytes=0, priority=63010,udp,metadata=0x80000000000/0xfffff0000000000,tp_src=67,tp_dst=68 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.250s, table=251, n_packets=0, n_bytes=0, priority=63010,udp6,metadata=0x80000000000/0xfffff0000000000,tp_src=547,tp_dst=546 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.232s, table=251, n_packets=0, n_bytes=0, priority=63010,icmp6,metadata=0x80000000000/0xfffff0000000000,icmp_type=130,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.190s, table=251, n_packets=0, n_bytes=0, priority=63010,icmp6,metadata=0x80000000000/0xfffff0000000000,icmp_type=135,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.173s, table=251, n_packets=1, n_bytes=86, priority=63010,icmp6,metadata=0x80000000000/0xfffff0000000000,icmp_type=136,icmp_code=0 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.659s, table=251, n_packets=0, n_bytes=0, priority=63010,arp,metadata=0x70000000000/0xfffff0000000000 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1761.131s, table=251, n_packets=0, n_bytes=0, priority=63010,arp,metadata=0x80000000000/0xfffff0000000000 actions=resubmit(,220)&lt;br/&gt;
cookie=0x6900000, duration=1767.533s, table=251, n_packets=0, n_bytes=0, priority=61010,ipv6,dl_dst=fa:16:3e:d4:90:e2,ipv6_dst=fe80::f816:3eff:fed4:90e2 actions=ct(table=252,zone=5001)&lt;br/&gt;
cookie=0x6900000, duration=1767.441s, table=251, n_packets=0, n_bytes=0, priority=61010,ipv6,dl_dst=fa:16:3e:d4:90:e2,ipv6_dst=2001:db8:1234:0:f816:3eff:fed4:90e2 actions=ct(table=252,zone=5001)&lt;br/&gt;
cookie=0x6900000, duration=1761.082s, table=251, n_packets=0, n_bytes=0, priority=61010,ipv6,dl_dst=fa:16:3e:0b:c1:56,ipv6_dst=2001:db8:2345:0:f816:3eff:fe0b:c156 actions=ct(table=252,zone=5002)&lt;br/&gt;
cookie=0x6900000, duration=1761.065s, table=251, n_packets=0, n_bytes=0, priority=61010,ipv6,dl_dst=fa:16:3e:0b:c1:56,ipv6_dst=fe80::f816:3eff:fe0b:c156 actions=ct(table=252,zone=5002)&lt;br/&gt;
cookie=0x6900000, duration=2583.117s, table=251, n_packets=622, n_bytes=73396, priority=0 actions=drop&lt;/p&gt;

&lt;p&gt;Note : If port security is disabled , then issue is not seen  and VM1 is getting ipv6 address from external router .&lt;/p&gt;</description>
                <environment>&lt;p&gt;Operating System: All&lt;br/&gt;
Platform: All&lt;/p&gt;</environment>
        <key id="20469">NETVIRT-548</key>
            <summary>IPV6 service :Router Advertisement (icmpv6_type=134) packets are getting dropped at table=251</summary>
                <type id="10104" iconUrl="https://jira.opendaylight.org/secure/viewavatar?size=xsmall&amp;avatarId=10303&amp;avatarType=issuetype">Bug</type>
                                                <status id="5" iconUrl="https://jira.opendaylight.org/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="green"/>
                                    <resolution id="10003">Cannot Reproduce</resolution>
                                        <assignee username="SridharG">Sridhar Gaddam</assignee>
                                    <reporter username="mahesh.loni@altencalsoftlabs.com">mahesh loni</reporter>
                        <labels>
                    </labels>
                <created>Sun, 19 Mar 2017 10:11:38 +0000</created>
                <updated>Thu, 6 Jul 2017 00:42:21 +0000</updated>
                            <resolved>Thu, 6 Jul 2017 00:42:21 +0000</resolved>
                                    <version>Boron</version>
                                                    <component>General</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="37520" author="mahesh.loni@altencalsoftlabs.com" created="Sun, 19 Mar 2017 10:11:38 +0000"  >&lt;p&gt;Attachment RAPKT-dropped.txt has been added with description: flow dumps&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="12466" name="RAPKT-dropped.txt" size="18657" author="mahesh.loni@altencalsoftlabs.com" created="Sun, 19 Mar 2017 10:11:38 +0000"/>
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