Once I assembled a new access server with Accel-ppp and Intel XL710 network adapters, and after putting it into operation, I noticed that all processor cores are used evenly, and the tenth core is used almost 100%, and I also noticed messages in the logs:
Continue reading “Solution BUG: Bad page state in process kworker”SNMP OID for Netman 102 plus
Once I needed to create a template in Zabbix to monitor Netman 102 plus, I will describe which SNMP OIDs I used.
Continue reading “SNMP OID for Netman 102 plus”How to set up iBGP in Bird
For example, I will configure the internal BGP protocol in Bird, in my case iBGP was needed in order to transfer user routes from several access servers to a NAT server. As access servers, I configured Accel-ppp (ipoe) and JuniperMX, they all worked simultaneously and balanced users by making an artificial DHCPOFFER delay.
Continue reading “How to set up iBGP in Bird”Alarm LASER_ALWAYS_ON from OLT 0x03000000 port EPON0/X
Once I noticed in the BDCOM P3608-2TE logs:
Continue reading “Alarm LASER_ALWAYS_ON from OLT 0x03000000 port EPON0/X”How to disable conntrack on Linux
I will give an example of disabling the conntrack module, for example, I will take the Ubuntu operating system.
Continue reading “How to disable conntrack on Linux”Configuring Juniper QFX5100
For example, I will configure the Juniper QFX5100-24Q-AFO switch.
Continue reading “Configuring Juniper QFX5100”linkFlapErrDisabled on Cisco Nexus
I once noticed that the port is periodically disconnected on the Cisco Nexus N3K-C3064PQ-10GX switch, there are a lot of records in the logs that the link was falling and rising, I looked at the status of the port:
Continue reading “linkFlapErrDisabled on Cisco Nexus”Huawei S3928P-EI firmware update
I will give an example of updating the firmware of the Huawei Quidway S3928P-EI switch.
Continue reading “Huawei S3928P-EI firmware update”Reboot iLO via SSH
Once I tried to open the iLO5 web interface on the HP DL380 Gen10 server and it did not open, hung on the login and password entry page, or immediately after it, iLO5 version was 2.63.
Continue reading “Reboot iLO via SSH”Asterisk Administrator Guide (pdf)
Download Asterisk Administrator Guide
File Format: PDF
Pages: 679
Language: English
File size: 4.42 MB