> Hi,
> It seems that I encountered a strange problem about vlan_vid, I am using
> OF1.3 parser
>
> The topology is this
>
> Switch-1 ---- Switch-2
>
> I use the following code to set up a flow to match dl_vlan=1 on switch 2
> ======
> match = parser.OFPMatch(vlan_vid=1)
please try:
match = parser.OFPMatch(vlan_vid=1|ofproto_v1_3.OFPVID_PRESENT)
YAMAMOTO Takashi
> actions = [parser.OFPActionSetField(vlan_vid = 0x0002),
> parser.OFPActionOutput(2)]
> inst =
> [parser.OFPInstructionActions(ofproto_v1_3.OFPIT_APPLY_ACTIONS, actions)]
> req = parser.OFPFlowMod(datapath = switch.dp, match = match,
> instructions = inst)
> switch.dp.send_msg(req)
> ======
>
> The incoming packets have vlan=1, the code on switch-1 I use to push vlan
> is :
>
> =====
>
> match = parser.OFPMatch( eth_dst=dst_mac, eth_src=src_mac,
> eth_type=0x0800, ipv4_src=src_ip, ipv4_dst=dst_ip)
> actions = [parser.OFPActionPushVlan(0x8100),
> parser.OFPActionSetField(vlan_vid = 0x0001),
> parser.OFPActionSetField(eth_dst = mac),
> parser.OFPActionOutput(output_port)]
> inst =
> [parser.OFPInstructionActions(ofproto_v1_3.OFPIT_APPLY_ACTIONS, actions)]
> req = parser.OFPFlowMod(datapath = switch.dp, match = match,
> instructions = inst)
> switch.dp.send_msg(req)
> =====
>
> I think the set vlan code is correct, because when I use ovs-ofctl to
> mannually set another rule to match for dl_vlan=1 and packet will go
> through but when I use Ryu API, it cannot.
>
> My only guess for now(by observing the resulting rules) is that
> vlan_tci(set by Ryu API) is somewhat different from dl_vlan(manually set)?
>
> But other than that, I have really no clue...
>
> Thanks
> -Mo
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