To view information about the ONU / ONT, connect to Huawei SmartAX MA5683T via telnet using the putty utility or via the windows command line, for example, by typing the command:
Continue reading “View information about ONU on Huawei SmartAX MA5600”Author Archives: Vyacheslav
Restore Huawei SmartAX MA5600 Configuration
On the test, I will give an example of creating a backup of the Huawei SmartAX MA5683T configuration to a TFTP server, as well as its restoration.
Recovery is often useful when you need to quickly return to the previous configuration or to make massive changes to the configuration or to profiles that are active and used by the ONT.
OLT reboot is required.
Accel-ppp debug
I will give an example of accel-ppp build with debugging information support, for example, in order to find out the cause of the crash.
Continue reading “Accel-ppp debug”How to detect DDOS attacks
I will give examples of viewing the number of active compounds:
Continue reading “How to detect DDOS attacks”The script against DDOS attacks
I will give an example of a simple script against DDOS attacks for NAT servers.
The script is executed when the total number of “conntrack” connections is more than 500000, it saves to the text file the IP address which has the most “conntrack” connections, who has more than 10,000 – adds to the ipset list.
TP-Link TL-WR340G Firmware Update
First, check the hardware version of the device, it is indicated on the label under the router. Upgrading the firmware from the wrong version of the device can spoil it! You can not update the firmware via Wi-Fi and turn off the power of the router during the firmware!
Continue reading “TP-Link TL-WR340G Firmware Update”How to change open_files_limit in MySQL
I will give an example of viewing and increasing the open_files_limit parameter in MySQL.
Will perform operations in the Ubuntu Server 16.04.
D-Link DSL-2640NRU firmware upgrade
On the test, I will update the firmware of the D-Link DSL-2640NRU modem from version 1.0.0 to 1.0.32.
Continue reading “D-Link DSL-2640NRU firmware upgrade”How to change “open files” in Linux
I will give an example of viewing and increasing the value of “open files” in Linux.
Continue reading “How to change “open files” in Linux”Solution “Port is not compatible with aggregators in channel 1 and cannot attach to them”
Once on Cisco Catalyst 6509-E, when I collected an aggregation of three ports, traffic began to go through only two ports and a message appeared in the logs:
Continue reading “Solution “Port is not compatible with aggregators in channel 1 and cannot attach to them””