Vyacheslav, Автор в IT Blog

Configuring Link Aggregation on HP 5800

I will give an example of aggregation of two links into one on the HP 5800, in order to increase throughput. 1 Gbit/s + 1Gbit/s = 2Gbit/s. In the test on VLAN 400 without a tag, the Internet comes, and on a VLAN with tags other services.

Hard reset LG L Bello D335

First, I will describe how to reset the settings through the phone menu:

Backup to Yandex disk

I will give an example of a script for creating backup copies to Yandex drive.

Backing up the BDCOM P3310 configuration

I wrote a script for automatic backup of the BDCOM P3310C-2AC EPON configuration.

cPanel. Solving the Failed to find user “” from expanded string

Once on the same server as cPanel, after changing the settings in the WHM menu “Server Configuration” – “Settings”, email stopped working, I found the following error in the logs:

How to configure BDCOM P3310

Configured the next EPON OLT BDCOM P3310B-2AC and P3310C-2AC.

How to solve Cpanel::MailAuth: cphulk blocked login for user to access service ‘mail’

I noticed somehow that mail from Cpanel does not open through the Web Roundcube, SquirrelMail, Horde, and also you can’t connect to mail from PHP scripts.

Blocking multicast IP addresses on D-Link

To block multicast ip addresses I will use ACL. Using an example of multicast, IPTV is broadcast via D-Link DGS-3612G and suppose that some channels need to be blocked, for this we create the following ACL rules:

The problem with multiple SSL on the same IP

If there are several sites with SSL on the same IP address, then old ancient browsers that do not support SNI will not be able to determine which certificate to download and will most likely download the first one that is registered at the beginning of the web server configuration.

Adding ONU with trunk port on BDCOM

I will give an example of setting the trunk port on the EPON ONU connected to the BDCOM OLT.