commit	2095dc698b68afc6df7b812bd3a3c66403e61e07	[log] [tgz]
author	Amit Ghosh <aghosh@radisys.com>	Mon Sep 25 20:56:55 2017 +0100
committer	David Bainbridge <dbainbri@ciena.com>	Tue Sep 26 08:59:45 2017 -0700
tree	e85eeb2316b6b883915203cf35438a86fdfcfcfc
parent	e5e0a00d5a318ffb334906b5f92f56b677e156fe [diff]

tree: e85eeb2316b6b883915203cf35438a86fdfcfcfc

README.md

ONOS DHCP L2 RELAY Application

The ONOS dhcpl2relay application is a DHCP Relay Agent which does Layer 2 relay.

The DHCP packets sent towards the DHCP Server (DHCP DISCOVER and DHCP REQUEST) are double tagged by this app. It retrieves the tag values to be used from the Sadis Service. Similarly it replaces the tags on the packets received from the server (DHCP OFFER and DHCP ACK) with priority tags.

DHCP Option 82 with CircuitId and RemoteId are added to packets sent to the DHCP server and Option 82 received from the server are removed before relaying back to the client. The CircuitId and Remote Id are retrieved from Sadis Service.

Configuration

"org.opencord.dhcpl2relay" : {
      "dhcpl2relay" : {
        "dhcpserverConnectPoints" : [ "of:00000000000000b2/2" ]
      }
    }

Configuration Parameters

dhcpServerConnectPoints

Port on the switch through which the DHCP Server is reachable

Example configuration of Sadis

   "org.opencord.sadis" : {
      "sadis" : {
        "integration" : {
          "cache" : {
            "enabled" : true,
            "maxsize" : 50,
            "ttl" : "PT1m"
          }
        },
        "entries" : [ {
          "id" : "uni-128", # (This is an entry for a subscriber) Same as the portName of the Port as seen in onos ports command
          "cTag" : 2, # C-tag of the subscriber
          "sTag" : 2, # S-tag of the subscriber
          "nasPortId" : "uni-128"  # NAS Port Id of the subscriber, could be different from the id above
        }, {
          "id" : "1d3eafb52e4e44b08818ab9ebaf7c0d4", # (This is an entry for an OLT device) Same as the serial of the OLT logical device as seen in the onos devices command
          "hardwareIdentifier" : "00:1b:22:00:b1:78", # MAC address to be used for this OLT
          "ipAddress" : "192.168.1.252", # IP address to be used for this OLT
          "nasId" : "B100-NASID" # NAS ID to be used for this OLT
        } ]
      }
    }