Switching Open vSwitch version
Pica8 also support ovs 2.6 from version 2.11.0, and following command is used for switching between ovs 2.3 and ovs 2.6. System enter ovs 2.3 default.
Switch ovs from 2.3 to 2.6:
admin@PICOS-OVS$switch-to-ovs-2.6
And switch ovs from 2.6 to 2.3:
admin@PICOS-OVS$switch-to-ovs-2.3
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If you swith ovs from 2.3 to 2.6,you had better to exit firstly and then enter system again. And some commands and functions are diferent from ovs 2.3.
Following table is the difference between ovs 2.3 and ovs 2.6.
Points | Ovs 2.3 | Ovs 2.6 |
---|---|---|
Pid in hardware table | userspace(pid=0,slow_path(lldp)) | userspace(slow_path(lldp)) |
Ovs-appctl pica/dump-flows | Normal permanent;not distinguish table show | table_miss; distinguish table show |
Arp/icmpv6 proxy | Flow priority in hardware table is 2 | Flow priority in hardware table is the same with softeare table |
Eviction in ovs-ofctl dump-tables-desc br0 | 0: config: EVICTION, eviction_flag: OTHER LIFETIME | show with vacancy together |
Vacancy in ovs-ofctl dump-tables-desc br0 | 0: config: VACANCY_EVENTS, vacancy: 0%, vacancy_down: 20%, vacancy_up: 50% | show with eviction together |
Enable-packet-driven | support | not support |
TTP | support | not support |
L3 table using lag/ecmp select group | ttl-1 | ttl not change,keep primary value if not modified |
Ovs-vsctl Keep-l3-egress-fields | support | delete |
Ovs-appctl pica/dump-ecmp-flows | / | new command |
Down one port when do ecmp select hash | output number stay the same | output number dynamic changed according ports’ up/down |
Multitable | dl_src changed to system mac if actions have no dl_src modification | keep primary value if actions have no dl_src modification |
Ovs-vsctl set-select-group-hash-fields | Not clear flows in table 0 | Clear flows in table 0 |
Ovs-ofctl queue-get-config br0 index | Queue get configure based port index | Queue get configure based port index or bridge |
Ovs-appctl loopback/enable true | support | delete |
Flows with same match filed except priority | Flow with high priority to hardware table | All flows installed to hardware table directly |
Set match mode | ovs-appctl pica/dump-flows have echo | ovs-appctl pica/dump-flows have no echo |
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