Thank you I am working in pox and mininet, I think I am using openveswitch.
Regards, > On ٠٢/٠٢/٢٠١٥, at ١٢:٥٥ م, Murphy McCauley <murphy.mccau...@gmail.com> > wrote: > > That depends on the switch you're using. Unless you're using the POX > datapath, you should probably ask on the switch's > site/mailing-list/other-support-mechanism. For example, if you're using Open > vSwitch, it has its own mailing lists. > > -- Murphy > >> On Feb 2, 2015, at 1:50 AM, AMER <amer7...@hotmail.com> wrote: >> >> Hello, >> >> Dear Murphy >> Yes I am trying to increase the VLAN tag to be 6 bytes. I have modified the >> vlan code on vlan.py under pox directory >> how can i do the same for the switch, I just need to increase the size >> nothing else :-). >> >> Regards, >> >> Eng Amer Alghadhban >> COE >> SANS-GCFW >> CEH, SCNP, CCNA >> >> >> Subject: Re: Error in openflow >> From: murphy.mccau...@gmail.com >> Date: Sun, 1 Feb 2015 12:45:40 -0800 >> CC: pox-dev@lists.noxrepo.org >> To: amer7...@hotmail.com >> >> Are you saying that you're altering the OpenFlow protocol so that it can >> specify VLAN tags larger than two bytes? And modifying a switch so that it >> can match and probably insert and remove these larger VLAN tags? (If so, >> I'd have thought that using VXLAN would be an easier way or that using an >> extension would be cleaner, but that's another issue.) >> >> So you're getting an error from the switch saying that it thinks you've sent >> it a flow-mod with the emergency flag *and* timeouts set, which isn't >> allowed. Assuming that you're not trying to set an emergency flow, the most >> likely explanation here is that the flow-mod is either being constructed >> wrong or parsed wrong. If you're modifying the match structure to >> accommodate larger VLAN tags, make sure you've modified it the same way on >> both the switch and controller. >> >> -- Murphy >> >> On Feb 1, 2015, at 3:35 AM, AMER <amer7...@hotmail.com> wrote: >> >> Dear all >> >> I am using POX carp >> I am receiving this error >> >> [00-00-00-00-00-02 143] Error: header: >> [00-00-00-00-00-02 143] Error: version: 1 >> [00-00-00-00-00-02 143] Error: type: 1 (OFPT_ERROR) >> [00-00-00-00-00-02 143] Error: length: 76 >> [00-00-00-00-00-02 143] Error: xid: 719 >> [00-00-00-00-00-02 143] Error: type: OFPET_FLOW_MOD_FAILED (3) >> [00-00-00-00-00-02 143] Error: code: OFPFMFC_BAD_EMERG_TIMEOUT (3) >> [00-00-00-00-00-02 143] Error: datalen: 64 >> [00-00-00-00-00-02 143] Error: 0000: 01 0e 00 48 00 00 02 cf 00 10 00 1f 00 >> 00 00 00 |...H............| >> [00-00-00-00-00-02 143] Error: 0010: 00 00 00 00 00 00 00 00 00 00 4e 6f 6e >> 65 00 00 |..........None..| >> [00-00-00-00-00-02 143] Error: 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 00 00 |................| >> [00-00-00-00-00-02 143] Error: 0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 03 00 00 |................| >> INFO:openflow.of_01:[00-00-00-00-00-01 144] closed >> INFO:openflow.of_01:[00-00-00-00-00-02 143] closed >> >> I am trying to extend the vlan header size, sorted almost all errors but >> finally I am facing this and I do not understand it. >> >> Best regards, >> Amer >> >> Eng Amer Alghadhban >> COE >> SANS-GCFW >> CEH, SCNP, CCNA >
