Hi 澤田和宏,
First of all, I think it's not a good solution to pop tags on controller. The
reasons are listed below:
1. all packets arrived controller via packetin event. The origin packets is
encapsulated to be the payload of openflow message.
2. it's an ineffictive when the traffic become bigger.
If you still want to go on, focus on the method "get_packet_type" of class
"ethernet", in file ethernet.py.
maybe current code could not parser Qinq packets.
Best Regards,
[email protected]
From: 澤田和宏
Date: 2015-07-03 13:21
To: ryu-devel
Subject: [Ryu-devel] How to pop vlan tag
Hello there,
I am a newbie to OpenFlow and Ryu.
I am trying to pop double tag which tagged by cisco's dot1q-tunnel.
It is such a packet.
-------------------------------------------------------------------------------------
No. Time Source Destination Protocol
Length Info
1 0.000000000 00:00:00_00:00:01 Broadcast ARP 50
Who has 10.0.2.2? Tell 10.0.2.1
Frame 1: 50 bytes on wire (400 bits), 50 bytes captured (400 bits) on interface 0
Ethernet II, Src: 00:00:00_00:00:01 (00:00:00:00:00:01), Dst: Broadcast
(ff:ff:ff:ff:ff:ff)
Destination: Broadcast (ff:ff:ff:ff:ff:ff)
Source: 00:00:00_00:00:01 (00:00:00:00:00:01)
Type: 802.1Q Virtual LAN (0x8100)
802.1Q Virtual LAN, PRI: 0, CFI: 0, ID: 20
000. .... .... .... = Priority: Best Effort (default) (0)
...0 .... .... .... = CFI: Canonical (0)
.... 0000 0001 0100 = ID: 20
Type: 802.1Q Virtual LAN (0x8100)
802.1Q Virtual LAN, PRI: 0, CFI: 0, ID: 100
000. .... .... .... = Priority: Best Effort (default) (0)
...0 .... .... .... = CFI: Canonical (0)
.... 0000 0110 0100 = ID: 100
Type: ARP (0x0806)
Address Resolution Protocol (request)
-------------------------------------------------------------------------------------
I could pop outer tag(vid=20).
But I could not pop inner tag(vid=100).
Can RYU pop innner tag?
If possible, How can I do it?
----
Best Regards,
[email protected]
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