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IST-2000-25187

Deliverable D4.3

Evaluation of Phase I Field Trial

TORRENT

IST-2000-25187 PUBLIC Page 32 of 77

forwarding

get_forwarding getforwarding

Read the IPv4 forwarding value

get_rxpackets getrxpackets

Get the number of received

packets on RG interface 3 (SNMP)

get_systemdescr getsystemdescr

Get the system description of RG

(SNMP)

get_lapconnstatus getlapconnstatus

Get the status of the RG-LAP

connection

set_isdnconnstatus setisdnconnstatus

Set (enable/disable) the ISDN

connection

get_iflist getiflist

Get the list of interfaces available

on the RG

get_conntrack getconntrack

Get the connection tracking info

get_v4route getv4route

Get the IPv4 routing table

get_v6route getv6route

Get the IPv6 routing table

get_adsldevinfo getadsldevinfo

Get the ADSL modem device info

get_adslwanstatus getadslwanstatus

Get the ADSL modem WAN

interface status

get_adsletherstatus

getadsletherstatus

Get the ADSL modem Ethernet

interface status

get_adsllinestatus getadsllinestatus

Get the ADSL modem line status

execcommand execcom

Execute system command to RG

4.2.4 SNMP-based

The second approach of the RG API implementation has been based on the standard SNMP

protocol. The SNMP agent running at the RG side has been implemented using the UCD -SNMP

package. In addition, the functionality of the SNMP agent will be extended by the necessary agent

function, in order to support RG specific data (e.g., wireless interface). This extension (RG MIB)

provides all the necessary objects that will be useful for the LAP and the Service Agents.

For each SNMP operation on the RG MIB objects, the SNMP agent invokes functions in the

software module that implements the SNMP Agent extension for RG (RG Agent). The RG Agent

consists of two backend processing modules, which retrieve or set configuration

parameters/values and map them to RG MIB objects, while sources of these parameters include

the following:

• Various configuration files for the RG functions (e.g. conf files of DHCP, or RADVD

server)

• /proc filesystem, being a pseudo-filesystem and acting as an interface to kernel data

structures. A variety of network information and data is available in the /proc/net/

directory, containing interface statistics, protocol statistics, routing and arp tables etc.

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