Архивы Hardware - Page 16 of 53

Huawei OLT DDM SNMP OID

Once on the highway to one of the Huawei MA5608, due to the heat and a bad cable, the optical level gradually deteriorated until the connection with the device was lost.
Therefore, I created triggers in Zabbix that will report that the signal is getting worse and this will prevent loss of connection.

Debug on Cisco

In this article, I will give an example of configuring and viewing debug information on Cisco switches. For an example and a test, I will take a Cisco Catalyst 6509-E switch.

DDM Port X optic module RX power exceeded the low warning/alarm threshold

One day, one of the DES-3200-28 B1 switches began to write the following in the logs:

Netis WF2780 Firmware Update

For the test, I will update the firmware on the Netis WF2780 router with firmware version V2.1.42494, at the time of writing, on the official website I found firmware version V2.2.43243.

Firmware update BDCOM P36xx EPON OLT

I will give an example of updating the firmware of BDCOM P36xx EPON OLT, we will definitely look at the OLT model, as it can be P36xx or P36xxB.

How to restore BDCOM OLT configuration

Suppose you want to restore the BDCOM OLT configuration from a previously made backup.

BDCOM OLT Recovery

Once an incorrect firmware was loaded into one of the OLTs, because of this, it cyclically rebooted.

BDCOM OLT DDM SNMP OID

Once it was necessary to monitor the level of the optical signal to the BDCOM OLT P3310C and P3608-2TE, after the trunk cables of different quality could stretch in the summer, and thus we lost contact with one of the OLT, although this situation could be predicted and prevented.

Configuring DHCP Snooping on Edge-core

Let me give you an example of setting up DHCP Snooping on Edge-core switches, for the test I’ll take the ES3526XA model.

BDCOM OLT: LLID sequences have been used up on EPON

One day, a technician connected a client and informed me that the ONU is not registering with one of the BDCOM P3608-2TE EPON OLT. I looked at the logs: