Ericsson EDN312 Guia do Utilizador descarregar pdf (Página 30)

Function Description

4/1553-HSC 901 101/2 Uen B 2009-02-27

3.2.4 Self Recovery

The IP DSLAM contains a self-recovery timer (keep alive counter), which

will reboot the IP DSLAM if there has been no traffic (that is management

polling, subscriber traffic or broadcast beacons from other nodes) for six

hours (default).

In order to ensure that there is always some traffic in the network, the

EDN312 and EXN104 sends a broadcast beacon every 30 seconds.

The time from the traffic stops and the IP DSLAM reboots, will be between

6 and 12 hours, depending on how far the counting got when the traffic

stopped, as illustrated in Figure 15 on page 26.

Note: The IP DSLAM broadcast beacon can be stopped if desired, using

the Advance Node Configuration facility in PEM. This is however

not recommended, since it may result in IP DSLAM restart in

periods with no traffic.

6 hours 6 hours 6 hours

Reboot

Keep-alive timer

Traffic

No traffic

Reboot

Broadcast beacons

from other EDA nodes

No traffic at all

Figure 15 Self-Recovery Mechanism

The keep alive counter time can be changed from PEM by changing the

value of the timer in the engineeringServer.properties file. For

more details about how to change values in .properties files, please refer to

the PEM Advanced Configuration Guide.

3.2.5 Reset On LAN

The IP DSLAM can be rebooted from PEM if necessary by using the Reset

On LAN facility. The Reset On LAN is a special Ethernet frame (Wake-on-

LAN like) that can be used even if the IP DSLAM is running without an IP

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Ericsson EDN312 Guia do Utilizador Página 30