Hi,
On 2014年11月11日 15:38, Ashok Jude wrote:
> Hi All,
>
> I am testing a vendor hardware based switch which supports only OF1.3.1. I
> wanted to test /push flows based on the below match combination for VLAN_TAGS.
> Can you help me with following clarifications.
>
> I)I don’t understand OXM mask and use. Can you explain me with some examples?
In Ryu, you can use OFPMatch.
1) Packets with and without a VLAN tag
- Match class
ofproto_v1_3_parser.OFPMatch()
- Packet Matching
non-VLAN-tagged MATCH
VLAN-tagged(vlan_id=3) MATCH
VLAN-tagged(vlan_id=5) MATCH
2) Only packets without a VLAN tag
- Match class
ofproto_v1_3_parser.OFPMatch(vlan_vid=0x0000)
- Packet Matching
non-VLAN-tagged MATCH
VLAN-tagged(vlan_id=3) x
VLAN-tagged(vlan_id=5) x
3) Only packets with a VLAN tag regardless of its value
- Match class
ofproto_v1_3_parser.OFPMatch(vlan_vid=(0x1000, 0x1000))
- Packet Matching
non-VLAN-tagged x
VLAN-tagged(vlan_id=3) MATCH
VLAN-tagged(vlan_id=5) MATCH
4) Only packets with VLAN tag and VID equal
- Match class
ofproto_v1_3_parser.OFPMatch(vlan_vid=(0x1000 | 3))
- Packet Matching
non-VLAN-tagged x
VLAN-tagged(vlan_id=3) MATCH
VLAN-tagged(vlan_id=5) x
> II) How can I push flow for 2), 3) and 4). Can you give me the curl command
> examples?
Currently, ofctl_rest.py can push flow for 4) like as follows,
but has no implementation for 2), 3).
We are making ofctl_rest.py patches to support 2), 3).
curl -X POST -d '{
"dpid": "1",
"match":{
"in_port": 1,
"vlan_vid": 5
}
}' http://localhost:8080/stats/flowentry/add
For REST API command exaples, please refer to Ryu Documentation.
http://ryu.readthedocs.org/en/latest/app/ofctl_rest.html
If you want to push flow for 2), 3), How about making RyuApps for your tests.
Ryu libraries support VLAN_VID match (for 2), 3) and 4)), PUSH_VLAN action
and SET_FIELD action to set vlan_vid.
http://ryu.readthedocs.org/en/latest/
>
> More explanation of this match combination and RYU implementation would be
> helpful.
>
>
>
>
>
> OXM field
>
>
>
> oxm value
>
>
>
> oxm mask
>
>
>
> Matching packets
>
> 1)absent
>
>
>
> -
>
>
>
> -
>
>
>
> Packets with and without a VLAN tag
>
> 2)present
>
>
>
> OFPVID_NONE
>
>
>
> absent
>
>
>
> Only packets without a VLAN tag
>
> 3)present
>
>
>
> OFPVID_PRESENT
>
>
>
> OFPVID_PRESENT
>
>
>
> Only packets with a VLAN tag regardless of its value
>
> 4)present
>
>
>
> value | OFPVID_PRESENT
>
>
>
> absent
>
>
>
> Only packets with VLAN tag and VID equal
>
> value
>
>
>
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