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.
Continue reading “Debug on Cisco”Category Archives: Hardware
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:
Continue reading “DDM Port X optic module RX power exceeded the low warning/alarm threshold”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.
Continue reading “Netis WF2780 Firmware Update”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.
Continue reading “Firmware update BDCOM P36xx EPON OLT”How to restore BDCOM OLT configuration
Suppose you want to restore the BDCOM OLT configuration from a previously made backup.
Continue reading “How to restore BDCOM OLT configuration”BDCOM OLT Recovery
Once an incorrect firmware was loaded into one of the OLTs, because of this, it cyclically rebooted.
Continue reading “BDCOM OLT Recovery”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.
Continue reading “BDCOM OLT DDM SNMP OID”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.
Continue reading “Configuring DHCP Snooping on Edge-core”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:
Continue reading “BDCOM OLT: LLID sequences have been used up on EPON”Configuring Edge-core ES3526XA
In the test, I’ll configure the Edge-core ES3526XA switch.
Continue reading “Configuring Edge-core ES3526XA”