The “monitor traffic” command allows you to view the packets or their headers that pass through the routing module, which is very useful for diagnosing various problems.Continue reading “Juniper. monitor traffic examples”
Once I needed to monitor the optical signal level on the Cisco Nexus C3064PQ-10GX to prevent cable sagging, stretching and signal loss, because in this case the signal deteriorates gradually, usually I monitor the signal on the end equipment, but I came across an old BDCOM 3310B model in which there was no support DDM.Continue reading “Cisco Nexus SNMP OID for Transceiver”
One day I was informed that the accounting department on one of the computers could not send invoices by email.Continue reading “1C Unknown error (SMTP error code 3)”
In this article, I will give examples of setting up logs in BIRD.Continue reading “Setting up BIRD logs”
In this article, I will give a simple example of setting up RPZ in Bind9.
RPZ (Response Policy Zone) allows you to block access to malicious and prohibited sites by domain name, IP address or network, block DNS servers.
Since some ABillS log files gradually increased in size, I wrote a script to rotate these logs.Continue reading “ABillS log rotation”
For example, I will configure interface aggregation on the Juniper MX204.Continue reading “Interface Aggregation (LAG) on Juniper MX”
I was once asked to change the Zabbix icon.Continue reading “How to change favicon in Zabbix”
For example, I will configure port isolation on the HPE A5800-24G-SFP switch.Continue reading “Port isolation on HP 5800”
In this article, I will give an example of adding a DNS zone to Bind9.Continue reading “Setting up a DNS zone in Bind9”