I had my response sitting in drafts. Hi Karthik, Yes, it should support CIDR of any length. Can you check the logs for any exceptions or error messages?
Regards, Vishal. On Thu, May 31, 2018 at 9:08 AM, Karthikeyan <[email protected]> wrote: > Hi Arun/Vishal, > Thanks for looking into this issue. > > When I was trying with IPv6 Source address CIDR value is /64 (Mask) flow is > not getting programmed on the OVS switch. > > Working Scenario: > Tried with CIDR /10 and /128 and flows are getting programmed properly as > expected. > > Concerned Scenario: > It should work for any valid IPv6 CIDR range(/1 to /128). Please confirm > whether this range is supported or it is invalid?. > > Thanks and Regards, > Karthukeyan. > > On Thu, 31 May 2018, 8:57 a.m. Vishal Thapar, <[email protected]> wrote: >> >> Hi Arun, >> >> Sure, will check. I just want it to be consistent between two. If we >> need explicit prefix for IPv4, require it for Ipv6 too. >> >> Regards, >> Vishal. >> >> On Thu, May 31, 2018 at 8:40 AM, D Arunprakash >> <[email protected]> wrote: >> > Hi Vishal, >> > Even I'm finding ipv4 address has prefix in config inventory. Could you >> > please cross check how apps writes into config ds? >> > >> > Also, when I push the ipv6 flow without prefix, it was failing for me >> > with NumberFormatException and not sure how it works for Karthikeyan. >> > >> > "ipv4-source": "10.10.0.4/32", >> > >> > Even the model is using ipv6-prefix. >> > >> > grouping "ipv6-match-fields" { >> > leaf ipv6-source { >> > description "IPv6 source address."; >> > type inet:ipv6-prefix; >> > } >> > >> > leaf ipv6-destination { >> > description "IPv6 destination address."; >> > type inet:ipv6-prefix; >> > } >> > grouping "ipv4-match-fields" { >> > leaf ipv4-source { >> > description "IPv4 source address."; >> > type inet:ipv4-prefix; >> > } >> > >> > leaf ipv4-destination { >> > description "IPv4 destination address."; >> > type inet:ipv4-prefix; >> > } >> > >> > } >> > >> > >> > Regards, >> > Arun >> > -----Original Message----- >> > From: Vishal Thapar [mailto:[email protected]] >> > Sent: Thursday, May 31, 2018 6:36 AM >> > To: D Arunprakash <[email protected]> >> > Cc: Karthikeyan <[email protected]>; Sridhar Alaparthi >> > <[email protected]>; netvirt-dev >> > <[email protected]>; >> > [email protected]; Naveen Manyam Subramanyam >> > <[email protected]> >> > Subject: Re: [openflowplugin-dev] OpenflowPlugin: Invalid length for >> > IPv6 Address in OXM field - Reg >> > >> > Hi Arun, >> > >> > Applications don't have to specify prefix length '/32' for IPv4 >> > addresses so why do they need to explicitly specify it for IPv6? Just as >> > OFP >> > defaults /32 for IPv4, can't it use /128 for IPv6 addresses? >> > >> > Regards, >> > Vishal. >> > >> > On Thu, May 31, 2018 at 12:56 AM, D Arunprakash >> > <[email protected]> wrote: >> >> Hi Karthikeyan, >> >> >> >> Ipv6 address is 128 bits, which means oxm value length should be 16 >> >> bytes 128. >> >> >> >> >> >> >> >> Normally ipv6 address will be represented with prefix length. (/128). >> >> >> >> >> >> >> >> Used your config flow and just added /128 to the ipv6 src address and >> >> programmed without any issues. >> >> >> >> >> >> >> >> "ipv6-source": >> >> "fe80:0:0:0:f816:3eff:feb4:8492/128" >> >> >> >> >> >> >> >> Config ds dump: >> >> >> >> "flow-node-inventory:table": [ >> >> >> >> { >> >> >> >> "id": 240, >> >> >> >> "flow": [ >> >> >> >> { >> >> >> >> "id": >> >> "Ingress_ICMPv6_392318374877_5_fa:16:3e:b4:84:92_134_LinkLocal_Permit_ >> >> ", >> >> >> >> "table_id": 240, >> >> >> >> "installHw": true, >> >> >> >> "strict": false, >> >> >> >> "flow-name": "ACL", >> >> >> >> "idle-timeout": 0, >> >> >> >> "barrier": false, >> >> >> >> "priority": 63010, >> >> >> >> "hard-timeout": 0, >> >> >> >> "match": { >> >> >> >> "ethernet-match": { >> >> >> >> "ethernet-type": { >> >> >> >> "type": 34525 >> >> >> >> } >> >> >> >> }, >> >> >> >> "ip-match": { >> >> >> >> "ip-protocol": 58 >> >> >> >> }, >> >> >> >> "icmpv6-match": { >> >> >> >> "icmpv6-code": 0, >> >> >> >> "icmpv6-type": 134 >> >> >> >> }, >> >> >> >> >> >> "openflowplugin-extension-general:extension-list": [ >> >> >> >> { >> >> >> >> "extension-key": >> >> "openflowplugin-extension-nicira-match:nxm-nx-reg6-key", >> >> >> >> "extension": { >> >> >> >> >> >> "openflowplugin-extension-nicira-match:nxm-nx-reg": { >> >> >> >> "reg": >> >> "nicira-match:nxm-nx-reg6", >> >> >> >> "mask": 268435200, >> >> >> >> "value": 1280 >> >> >> >> } >> >> >> >> } >> >> >> >> } >> >> >> >> ], >> >> >> >> "ipv6-source": >> >> "fe80:0:0:0:f816:3eff:feb4:8492/128" >> >> >> >> }, >> >> >> >> "cookie": 110100480, >> >> >> >> "instructions": { >> >> >> >> "instruction": [ >> >> >> >> { >> >> >> >> "order": 0, >> >> >> >> "apply-actions": { >> >> >> >> "action": [ >> >> >> >> { >> >> >> >> "order": 0, >> >> >> >> >> >> "openflowplugin-extension-nicira-action:nx-resubmit": { >> >> >> >> "table": 220 >> >> >> >> } >> >> >> >> } >> >> >> >> ] >> >> >> >> } >> >> >> >> } >> >> >> >> ] >> >> >> >> } >> >> >> >> } >> >> >> >> ] >> >> >> >> } >> >> >> >> ] >> >> >> >> >> >> >> >> openstack@ubuntu:~$ flows >> >> >> >> cookie=0x6900000, duration=221.163s, table=240, n_packets=0, >> >> n_bytes=0, >> >> priority=63010,icmp6,reg6=0x500/0xfffff00,ipv6_src=fe80::f816:3eff:feb >> >> 4:8492,icmp_type=134,icmp_code=0 >> >> actions=resubmit(,220) >> >> >> >> >> >> >> >> Regards, >> >> >> >> Arun >> >> >> >> >> >> >> >> From: [email protected] >> >> [mailto:[email protected]] On Behalf >> >> Of Karthikeyan >> >> Sent: Tuesday, May 29, 2018 8:58 PM >> >> To: Vishal Thapar <[email protected]> >> >> Cc: Sridhar Alaparthi <[email protected]>; netvirt-dev >> >> <[email protected]>; >> >> [email protected]; Naveen Manyam Subramanyam >> >> <[email protected]> >> >> Subject: Re: [openflowplugin-dev] OpenflowPlugin: Invalid length for >> >> IPv6 Address in OXM field - Reg >> >> >> >> >> >> >> >> Hi Vishal, >> >> >> >> >> >> >> >> Please find below inventory config DS entry for the same. >> >> >> >> >> >> >> >> http://192.168.56.1:8181/restconf/config/opendaylight-inventory:nodes >> >> >> >> >> >> >> >> >> >> >> >> { >> >> >> >> "id": 240, >> >> >> >> "flow": [ >> >> >> >> { >> >> >> >> "id": >> >> "Ingress_ICMPv6_392318374877_5_fa:16:3e:b4:84:92_134_LinkLocal_Permit_ >> >> ", >> >> >> >> "priority": 63010, >> >> >> >> "table_id": 240, >> >> >> >> "hard-timeout": 0, >> >> >> >> "installHw": true, >> >> >> >> "match": { >> >> >> >> "ethernet-match": { >> >> >> >> "ethernet-type": { >> >> >> >> "type": 34525 >> >> >> >> } >> >> >> >> }, >> >> >> >> "ip-match": { >> >> >> >> "ip-protocol": 58 >> >> >> >> }, >> >> >> >> "icmpv6-match": { >> >> >> >> "icmpv6-code": 0, >> >> >> >> "icmpv6-type": 134 >> >> >> >> }, >> >> >> >> >> >> "openflowplugin-extension-general:extension-list": [ >> >> >> >> { >> >> >> >> "extension-key": >> >> "openflowplugin-extension-nicira-match:nxm-nx-reg6-key", >> >> >> >> "extension": { >> >> >> >> >> >> "openflowplugin-extension-nicira-match:nxm-nx-reg": { >> >> >> >> "reg": >> >> "nicira-match:nxm-nx-reg6", >> >> >> >> "mask": 268435200, >> >> >> >> "value": 1280 >> >> >> >> } >> >> >> >> } >> >> >> >> } >> >> >> >> ], >> >> >> >> "ipv6-source": >> >> "fe80:0:0:0:f816:3eff:feb4:8492" >> >> >> >> }, >> >> >> >> "strict": false, >> >> >> >> "cookie": 110100480, >> >> >> >> "flow-name": "ACL", >> >> >> >> "instructions": { >> >> >> >> "instruction": [ >> >> >> >> { >> >> >> >> "order": 0, >> >> >> >> "apply-actions": { >> >> >> >> "action": [ >> >> >> >> { >> >> >> >> "order": 0, >> >> >> >> >> >> "openflowplugin-extension-nicira-action:nx-resubmit": { >> >> >> >> "table": >> >> 220 >> >> >> >> } >> >> >> >> } >> >> >> >> ] >> >> >> >> } >> >> >> >> } >> >> >> >> ] >> >> >> >> }, >> >> >> >> "idle-timeout": 0, >> >> >> >> "barrier": false >> >> >> >> } >> >> >> >> >> >> >> >> Thanks & Regards, >> >> >> >> Karthikeyan. >> >> >> >> >> >> >> >> On Tue, May 29, 2018 at 7:17 PM, Vishal Thapar <[email protected]> >> >> wrote: >> >> >> >> Hi Karthik, >> >> >> >> Can you also share the flow being added to config DS? >> >> >> >> Regards, >> >> Vishal. >> >> >> >> >> >> On Tue, May 29, 2018 at 6:16 PM, Karthikeyan >> >> <[email protected]> wrote: >> >>> Hi OpenflowPlugin/Netvirt Team, >> >>> >> >>> I am trying to add IPv6 address as a source address of one of the >> >>> match criteria in while constructing openflow from netvirt project >> >>> and observed that IPv6 source address field (OXM) length is going >> >>> with 32 bits instead of >> >>> 128 bits as a result expected flow is not getting programmed in OVS >> >>> switch. >> >>> Please find attached tcpdump file for getting exact OFPT_FLOW_MOD >> >>> request which has sent from ODL controller. >> >>> >> >>> Please let me know whether this issue is already existing in the >> >>> openflow plugin project or it is new one. >> >>> >> >>> >> >>> Wrong length value for IPv6 value: >> >>> >> >>> OXM field >> >>> Class: OFPXMC_OPENFLOW_BASIC (0x8000) >> >>> 0011 010. = Field: OFPXMT_OFB_IPV6_SRC (26) >> >>> .... ...1 = Has mask: True >> >>> Length: 32 >> >>> Value: fe80::f816:3eff:feb4:8492 >> >>> Mask: ffff:ffff:ffff:ffff:: >> >>> >> >>> >> >>> Manually i tried adding expected open flow as below and looks like >> >>> OVS switch is accepting. This gives the confirmation for problem is >> >>> existing on Openflow plugin project. >> >>> >> >>> sudo ovs-ofctl -O OpenFlow13 add-flow br-int "table=240, n_packets=0, >> >>> n_bytes=0, >> >>> >> >>> priority=63010,icmp6,reg6=0x100/0xfffff00,icmp_type=134,icmp_code=0,i >> >>> pv6_src=fe80:0:0:0:f816:3eff:fe05:e3ec >> >>> actions=resubmit(,220)" >> >>> >> >>> >> >>> >> >>> Tested Environment Details: >> >>> >> >>> ODL Version: Fluorine (Master) >> >>> >> >>> OVS Version: 2.9.0 (Protocol OF 1.3) >> >>> Openstack Version: Pike >> >>> >> >>> >> >>> >> >>> Note: >> >>> Please apply the below filter to get only for IPv6 address filed as a >> >>> source address. >> >>> >> >>> Apply filter : (Wireshark) >> >>> openflow_v4.type == 14 && openflow_v4.flowmod.table_id == 240 && >> >>> openflow_v4.oxm.field == 29 && openflow_v4.oxm.field == 26 && >> >>> openflow_v4.oxm.value == 86 >> >>> >> >>> >> >>> Thanks & Regards, >> >>> Karthikeyan. >> >>> >> >>> >> >>> >> >> >> >>> _______________________________________________ >> >>> openflowplugin-dev mailing list >> >>> [email protected] >> >>> https://lists.opendaylight.org/mailman/listinfo/openflowplugin-dev >> >>> >> >> >> >> _______________________________________________ openflowplugin-dev mailing list [email protected] https://lists.opendaylight.org/mailman/listinfo/openflowplugin-dev
