| 2021-03-15 08:43:52 |
LIU Yulong |
description |
Flows in table 20 and 21 will not recover if ovs agent is restarted.
$ sudo ovs-ofctl dump-flows br-tun table=20
cookie=0xf1f1ad5ed8b1ae9f, duration=233196.361s, table=20, n_packets=0, n_bytes=0, priority=5,dl_vlan=1,dl_dst=fa:16:3e:05:ac:84 actions=strip_vlan,load:0x44->NXM_NX_TUN_ID[],output:"vxlan-1400140b"
cookie=0xf1f1ad5ed8b1ae9f, duration=233196.190s, table=20, n_packets=110, n_bytes=45780, priority=5,dl_vlan=1,dl_dst=fa:16:3e:46:58:fe actions=strip_vlan,load:0x44->NXM_NX_TUN_ID[],output:"vxlan-1400140b"
$ sudo ovs-ofctl dump-flows br-tun table=21
cookie=0xf1f1ad5ed8b1ae9f, duration=233198.918s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=192.168.111.199 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:05:ac:84,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e05ac84->NXM_NX_ARP_SHA[],load:0xc0a86fc7->NXM_OF_ARP_SPA[],IN_PORT
cookie=0xf1f1ad5ed8b1ae9f, duration=233198.744s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=192.168.111.99 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:46:58:fe,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e4658fe->NXM_NX_ARP_SHA[],load:0xc0a86f63->NXM_OF_ARP_SPA[],IN_PORT
Ovs agent config option:
[agent]
l2_population = False
arp_responder = False
extensions = bagpipe_bgpvpn |
Flows in table 20 and 21 will not recover if ovs agent is restarted. The following are the flows before restart the ovs-agent. After restart ovs-agent, these flows are gone.
$ sudo ovs-ofctl dump-flows br-tun table=20
cookie=0xf1f1ad5ed8b1ae9f, duration=233196.361s, table=20, n_packets=0, n_bytes=0, priority=5,dl_vlan=1,dl_dst=fa:16:3e:05:ac:84 actions=strip_vlan,load:0x44->NXM_NX_TUN_ID[],output:"vxlan-1400140b"
cookie=0xf1f1ad5ed8b1ae9f, duration=233196.190s, table=20, n_packets=110, n_bytes=45780, priority=5,dl_vlan=1,dl_dst=fa:16:3e:46:58:fe actions=strip_vlan,load:0x44->NXM_NX_TUN_ID[],output:"vxlan-1400140b"
$ sudo ovs-ofctl dump-flows br-tun table=21
cookie=0xf1f1ad5ed8b1ae9f, duration=233198.918s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=192.168.111.199 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:05:ac:84,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e05ac84->NXM_NX_ARP_SHA[],load:0xc0a86fc7->NXM_OF_ARP_SPA[],IN_PORT
cookie=0xf1f1ad5ed8b1ae9f, duration=233198.744s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=192.168.111.99 actions=move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:46:58:fe,load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e4658fe->NXM_NX_ARP_SHA[],load:0xc0a86f63->NXM_OF_ARP_SPA[],IN_PORT
Ovs agent config option:
[agent]
l2_population = False
arp_responder = False
extensions = bagpipe_bgpvpn |
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