Hello,
I am trying to send simple vlan packets via a C program and wanted a vlan
specific action executed before sending out on wire. I have configured
following flows in ovs
root@rkerur-ThinkPad-T400:~/mpls_vlan_0209/openvswitch# ovs-ofctl dump-flows br0
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=4685.567s, table=0, n_packets=110, n_bytes=5808,
idle_timeout=50000,idle_age=27,priority=65535,arp actions=NORMAL
cookie=0x0, duration=4685.566s, table=0, n_packets=0, n_bytes=0,
idle_timeout=50000,idle_age=4685,priority=65535,dl_type=0x8100
actions=strip_vlan,output:1
I basically assuming generated vlan packets from the program would match the
second flow entry and strip vlan before sending it. From the stats
(n_packets=0) looks like it's not matched. What's coming out from tcpdump
capture is
root@rkerur-ThinkPad-T400:~# cat vlan_logs
12:49:30.932648 00:27:13:67:b9:9b > 00:1f:9e:2a:7f:dd, ethertype
802.1Q (0x8100), length 512: vlan 1, p 0, ethertype IPv4, (tos 0x0,
ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 494)
10.117.46.196.3840 > 10.117.46.193.3840: [no cksum] UDP, length 466
0x0000: 0001 0800 4500 01ee 0000 0000 4011 0691 ....E.......@...
0x0010: 0a75 2ec4 0a75 2ec1 0f00 0f00 01da 0000 .u...u..........
0x0020: 4242 4242 4242 4242 4242 4242 4242 4242 BBBBBBBBBBBBBBBB
0x0030: 4242 4242 4242 4242 4242 4242 4242 4242 BBBBBBBBBBBBBBBB
0x0040: 4242 4242 4242 4242 4242 4242 4242 4242 BBBBBBBBBBBBBBBB
0x0050: 4242 4242 4242 4242 4242 4242 4242 4242 BBBBBBBBBBBBBBBB
0x0060: 4242 4242 4242 4242 4242 4242 4242 4242 BBBBBBBBBBBBBBBB
...
Ovs-ofctl man page talks about packet-out argument, however, I am not quite
clear on the syntax.
ovs-ofctl packet-out br0 local strip_vlan,1 <packet>, what should packet be?
Should it point to the packet sent out by the program?
Inputs appreciated.
Thanks
Ravi
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