OpenDaylight JIRA

OpenDaylight JIRA https://jira.opendaylight.org This file is an XML representation of an issue en-us

8.20.10

820010

22-06-2022

[OVSDB-243] distributed arp in old l3 for ovsdb is not installing rules when it should https://jira.opendaylight.org/browse/OVSDB-243 ovsdb <p>As part of fixing <a href="https://jira.opendaylight.org/browse/OVSDB-235" title="distributed arp in old l3 for ovsdb should not install rules for arp unless tenant network exists in the compute node" class="issue-link" data-issue-key="OVSDB-235"><del>OVSDB-235</del></a> logic was added to ensure distributed arp entries<br/> are only added when needed.</p> <p>To determine if distributed arp rule is needed, codepath uses </p> <p> TenantNetworkManagerImpl::isTenantNetworkPresentInNode()</p> <p>and that has a race bug. ouch!</p> <p>Operating System: All<br/> Platform: All</p> OVSDB-243

distributed arp in old l3 for ovsdb is not installing rules when it should

Bug Resolved Done Flavio Fernandes Flavio Fernandes Mon, 4 Jan 2016 18:48:18 +0000 Mon, 30 Oct 2017 15:36:04 +0000 Mon, 25 Jan 2016 16:04:16 +0000 unspecified openstack.net-virt 0 3 <p>Gerrits:</p> <p><a href="https://git.opendaylight.org/gerrit/#/c/32096" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/32096</a><br/> <a href="https://git.opendaylight.org/gerrit/#/c/32097" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/#/c/32097</a></p> <p>Flavio,<br/> I tested with Beryllium patch. <br/> ARP flows are not formed properly in control node itself. If we created new instance in openstack then Arp entries are over written with new IP, at last got only 1 Arp entry.</p> <p>PFB dump flows for Control node. </p> <p>Controle Node:</p> <p>10.0.0.2 (DHCP IP) for tenant1</p> <p><span class="error">[stack@control devstack]</span>$ sudo ovs-ofctl -O OpenFlow13 dump-flows br-int<br/> OFPST_FLOW reply (OF1.3) (xid=0x2):<br/> cookie=0x0, duration=5635.959s, table=0, n_packets=1026, n_bytes=112210, priority=0 actions=goto_table:20<br/> cookie=0x0, duration=24.448s, table=20, n_packets=0, n_bytes=0, priority=1024,arp,tun_id=0x3fb,arp_tpa=10.0.0.2,arp_op=1 actions=move:NXM_OF_ETH_SRC[]<del>>NXM_OF_ETH_DST[],set_field:fa:16:3e:8d:be:30</del>>eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]<del>>NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]</del>>NXM_OF_ARP_TPA[],load:0xfa163e8dbe30->NXM_NX_ARP_SHA[],load:0xa000002->NXM_OF_ARP_SPA[],IN_PORT<br/> cookie=0x0, duration=5635.918s, table=20, n_packets=1026, n_bytes=112210, priority=0 actions=goto_table:30<br/> cookie=0x0, duration=5635.918s, table=50, n_packets=0, n_bytes=0, priority=0 actions=goto_table:60<br/> cookie=0x0, duration=1701.609s, table=110, n_packets=0, n_bytes=0, priority=16384,reg0=0x2,tun_id=0x429,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:1</p> <p>20.0.0.2(DHCP IP) for tenant2</p> <p> <span class="error">[stack@control devstack]</span>$ sudo ovs-ofctl -O OpenFlow13 dump-flows br-int<br/> OFPST_FLOW reply (OF1.3) (xid=0x2):<br/> cookie=0x0, duration=5665.144s, table=0, n_packets=1044, n_bytes=114196, priority=0 actions=goto_table:20<br/> cookie=0x0, duration=8.070s, table=20, n_packets=0, n_bytes=0, priority=1024,arp,tun_id=0x43e,arp_tpa=20.0.0.2,arp_op=1 actions=move:NXM_OF_ETH_SRC[]<del>>NXM_OF_ETH_DST[],set_field:fa:16:3e:a3:84:7e</del>>eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]<del>>NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]</del>>NXM_OF_ARP_TPA[],load:0xfa163ea3847e->NXM_NX_ARP_SHA[],load:0x14000002->NXM_OF_ARP_SPA[],IN_PORT<br/> cookie=0x0, duration=5665.103s, table=20, n_packets=1044, n_bytes=114196, priority=0 actions=goto_table:30<br/> cookie=0x0, duration=5665.103s, table=50, n_packets=0, n_bytes=0, priority=0 actions=goto_table:60<br/> cookie=0x0, duration=1730.794s, table=110, n_packets=0, n_bytes=0, priority=16384,reg0=0x2,tun_id=0x429,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:1</p> <p>10.0.0.3 (VM1)</p> <p><span class="error">[stack@control devstack]</span>$ sudo ovs-ofctl -O OpenFlow13 dump-flows br-int<br/> OFPST_FLOW reply (OF1.3) (xid=0x2):<br/> cookie=0x0, duration=6751.917s, table=0, n_packets=1695, n_bytes=186023, priority=0 actions=goto_table:20<br/> cookie=0x0, duration=22.812s, table=20, n_packets=0, n_bytes=0, priority=1024,arp,tun_id=0x3fb,arp_tpa=10.0.0.3,arp_op=1 actions=move:NXM_OF_ETH_SRC[]<del>>NXM_OF_ETH_DST[],set_field:fa:16:3e:fa:f9:84</del>>eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]<del>>NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]</del>>NXM_OF_ARP_TPA[],load:0xfa163efaf984->NXM_NX_ARP_SHA[],load:0xa000003->NXM_OF_ARP_SPA[],IN_PORT<br/> cookie=0x0, duration=6751.876s, table=20, n_packets=1695, n_bytes=186023, priority=0 actions=goto_table:30<br/> cookie=0x0, duration=6751.877s, table=50, n_packets=0, n_bytes=0, priority=0 actions=goto_table:60<br/> cookie=0x0, duration=2817.568s, table=110, n_packets=0, n_bytes=0, priority=16384,reg0=0x2,tun_id=0x429,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:1</p> <p>20.0.0.3 (VM2)</p> <p><span class="error">[stack@control devstack]</span>$ sudo ovs-ofctl -O OpenFlow13 dump-flows br-int<br/> OFPST_FLOW reply (OF1.3) (xid=0x2):<br/> cookie=0x0, duration=7110.033s, table=0, n_packets=1920, n_bytes=211310, priority=0 actions=goto_table:20<br/> cookie=0x0, duration=27.891s, table=20, n_packets=0, n_bytes=0, priority=1024,arp,tun_id=0x43e,arp_tpa=20.0.0.3,arp_op=1 actions=move:NXM_OF_ETH_SRC[]<del>>NXM_OF_ETH_DST[],set_field:fa:16:3e:64:e0:2b</del>>eth_src,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]<del>>NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]</del>>NXM_OF_ARP_TPA[],load:0xfa163e64e02b->NXM_NX_ARP_SHA[],load:0x14000003->NXM_OF_ARP_SPA[],IN_PORT<br/> cookie=0x0, duration=7109.992s, table=20, n_packets=1920, n_bytes=211310, priority=0 actions=goto_table:30<br/> cookie=0x0, duration=7109.992s, table=50, n_packets=0, n_bytes=0, priority=0 actions=goto_table:60<br/> cookie=0x0, duration=3175.683s, table=110, n_packets=0, n_bytes=0, priority=16384,reg0=0x2,tun_id=0x429,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:1</p> <p>Flavio,</p> <p>I tested with latest code. Now Arp entries are working as expected.</p> <p>(In reply to hari prasad from comment #3)<br/> > Flavio,<br/> > <br/> > I tested with latest code. Now Arp entries are working as expected.</p> <p>great, thanks!</p> Development External issue ID 4874 External issue URL Rank 0|i021j3: