Архивы Hardware - Page 5 of 53

The screen lights up on Xiaomi smartphones

I noticed one night on the Xiaomi Redmi 10 phone that the screen often lights up, while there were no sounds or vibrations.

Configuring ETP48100-B1 with Huawei OLT

In this article I will show how I connected the ETP48100-B1 power supply to Huawei MA5608T.
Huawei ETP48100-B1 is very powerful and heavier than similar models, it is 48V 50A, but from the minuses – batteries cannot be connected to it, that is, it does not have a UPS function.

How to add EPON ONT on MA5608T

In this article, I will show an example of adding EPON ONT on Huawei MA5608T.
I will use ONT from different manufacturers, EPON board H803EPFD for 16 ports.

Restricting access to management on Huawei S2326TP-EI

I will give an example of setting up an ACL to restrict access to Telnet, SSH, SNMP on Huawei S2300 series switches.

Setting up ETP4830 A1 with Huawei OLT

For example, I will take the ETP4830 A1 power supply at 48V 15A (there is a model for 30A) and connect it to the MA5608T so that I can monitor the percentage of battery charge, set the correct parameters for charging batteries (default 53.5V floating and 56.5V accelerated) their capacity (the default is 40Ah or 65Ah), etc.

SNMP MIB/OID for Huawei ETP4830

Let’s say a Huawei ETP4830 power supply unit (UPS) or a similar model is connected to the Huawei OLT MA5600 series, now I will show several SNMP OIDs with which I took data on voltage and battery charge:

SAMSUNG Galaxy M21 Hard Reset

I will give an example of resetting all settings and deleting user data on the SAMSUNG Galaxy M21 phone.

Configuring Syslog on Juniper

I will give an example of setting up Juniper logging to the syslog server, for convenience, to view the logs of all devices in one place, and it will also be possible to disable logging to the device’s memory to save its memory.

Warning: Host-bound traffic for protocol/exception DHCPv4:bad-packets exceeded its allowed bandwidth

Once I noticed the following warnings in the Juniper MX204 logs:

SNMP OID for Cisco Nexus

For example, I will take Cisco Nexus 3064 (N3K-C3064PQ-10GX) and make a template for it in Zabbix, I will briefly describe the main SNMP OID/MIB that I used: