Nothing complicated, just create an ACL rule, due to which on certain ports the switch will drop or pass packets that go to client port 67 from a DHCP server and thus it will not receive IP from unnecessary DHCP servers.
Continue reading “Blocking DHCP packets on D-Link DES-38xx”Category Archives: Hardware
Clearing FDB tables on D-Link DGS-3100 from CRON
In 2013, I came up with a primitive solution to the problem with the D-Link DGS-3100 switch, which with an average load can often stop passing traffic through itself.
Continue reading “Clearing FDB tables on D-Link DGS-3100 from CRON”Deny internet access on Mikrotik
To prohibit Internet access to certain IP addresses on the internal network, you need to click “IP” – “Firewall” in the router settings, add new rules in the “Filter Rules” tab by clicking “Add New” or “+”.
Continue reading “Deny internet access on Mikrotik”Allied Telesis AT-8000S Firmware Update
For example, I’ll update the firmware several times on the Allied Telesis AT-8000S/24 switch.
Continue reading “Allied Telesis AT-8000S Firmware Update”How to reset Allied Telesis AT-8000S
To reset the settings on the Allied Telesis AT-8000S switch, it is enough to connect to it via SSH or an ordinary console null-modem RS-232 cable at a speed of 115200.
Continue reading “How to reset Allied Telesis AT-8000S”Adding ONT on Huawei SmartAX MA5600
Let’s say that we configured Huawei SmartAX MA5683T, and also created dba-profile, ont-lineprofile and ont-srvprofile, as I wrote in the article Configuring Huawei SmartAX MA5683T
Continue reading “Adding ONT on Huawei SmartAX MA5600”List and Description of DR Debug Codes for ASRock Motherboards
I will briefly list and describe some codes:
Continue reading “List and Description of DR Debug Codes for ASRock Motherboards”Rafale Digital Cable Receiver Firmware Update
As an example, I took the model Rafale C-0418.
Continue reading “Rafale Digital Cable Receiver Firmware Update”Configuring Allied Telesis AT-8000S
For example, I’ll configure the Allied Telesis AT-8000S/24 switch.
Continue reading “Configuring Allied Telesis AT-8000S”Configuring PIM on D-Link Switches
I use the D-Link DGS-3612G switch as an example.
Continue reading “Configuring PIM on D-Link Switches”