Due to a ransomware attack, the wiki was reverted to a July 2022 version. . We apologize for the lack of a more recent valid backup.
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Dell Hardware Switches
How to configure openflow
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Setup CAM
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#configure
(conf)#cam-acl l2acl 2 ipv4acl 2 ipv6acl 0 ipv4qos 0 l2qos 1 l2pt 0 ipmacacl 0 vman-qos 0 ecfmacl 0 openflow 8
(conf)#cam-acl-vlan vlanopenflow 1 vlaniscsi 1 vlanaclopt 0
(conf)#exit |
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Reboot the switch
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#reload |
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Create openflow instance
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#configure
(conf)#openflow of-instance 1
(conf-of-instance-1)#controller 1 10.11.44.5 tcp [ change to your controller ip ]
(conf-of-instance-1)#flow-map l2 enable
(conf-of-instance-1)#flow-map l3 enable
(conf-of-instance-1)#interface-type any
(conf-of-instance-1)#multiple-fwd-table enable
(conf-of-instance-1)#of-version 1.3
(conf)#exit |
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Setup interfaces
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(conf)#interface TenGigabitEthernet 0/0 [ change to your network ports]
(conf-if-te-0/0)#of-instance 1
(conf-if-te-0/0)#no switch-port
(conf-if-te-0/0)#no shutdown
(conf)#exit |
Enable the openflow instance
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CPqD Software Switches
Download the source code
Code Block language text git clone https://github.com/CPqD/ofsoftswitch13.git
Go back to the specific version of Cpqd
Code Block language text git checkout f308c28242de57502f06d3dee80ce47ac17b6603
Apply the following patch
Code Block language text title patchfile_cpqd collapse true diff --git oflib/oxm-match.c oflib/oxm-match.c index e21edaa..d763cf9 100644 --- oflib/oxm-match.c +++ oflib/oxm-match.c @@ -202,14 +202,22 @@ oxm_prereqs_ok(const struct oxm_field *field, const struct ofl_match *rule) return false; } + /* Check for eth_type */ if (!field->dl_type[0]) return true; + else if (field->dl_type[0] == htons(0x8847)) + // quick-fix:ignore check for ethtpe when setting mpls label-id + // needs a cleaner solution which checks for a push-mpls action before the set + return true; else { HMAP_FOR_EACH_WITH_HASH (omt, struct ofl_match_tlv, hmap_node, hash_int(OXM_OF_ETH_TYPE, 0), &rule->match_fields) { uint16_t eth_type; memcpy(ð_type, omt->value, sizeof(uint16_t)); + //VLOG_INFO_RL(LOG_MODULE,&rl, "field-dltype %x ethtype %x htons %x", field->dl_type[0], + // eth_type, htons(eth_type)); + if (field->dl_type[0] == htons(eth_type)) { return true; } else if (field->dl_type[1] && field->dl_type[1] == htons(eth_type)) { @@ -349,7 +357,8 @@ parse_oxm_entry(struct ofl_match *match, const struct oxm_field *f, case OFI_OXM_OF_IPV4_SRC_W: case OFI_OXM_OF_ARP_SPA_W: case OFI_OXM_OF_ARP_TPA_W: - ofl_structs_match_put32m(match, f->header, *((uint32_t*) value), *((uint32_t*) mask)); + // note that the mask is bitwise notted to match 1.3 description of mask + ofl_structs_match_put32m(match, f->header, *((uint32_t*) value), ~(*((uint32_t*) mask))); return 0; case OFI_OXM_OF_ARP_SHA: case OFI_OXM_OF_ARP_THA:
If you save it as a file (patchfile_cpqd), then you can apply the patch as following
Code Block language text patch -p0 < ../patchfile_cpqd
- Build it following the README.md file in the directory
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