I will give an example of quickly setting up a range of ports on Huawei S2300 series switches; for example, I will perform the settings on Huawei Quidway S2326TP-EI.
Continue reading “Quickly set up a range of ports on Huawei S2300”Category Archives: Hardware
BDCOM. Restricting access to the web interface
I’ll give an example of how to allow connections to the BDCOM OLT web interface only from specified IP addresses; in a similar way, you can limit other traffic to the OLT, as well as traffic passing to users through the OLT.
Continue reading “BDCOM. Restricting access to the web interface”BDCOM. Adding a user with limited rights
One day I needed operators to be able to open the BDCOM OLT web interface, so I created a user with read-only access for them.
Continue reading “BDCOM. Adding a user with limited rights”Setting up logs on Cisco Nexus
In this article I will give an example of setting up logs on Cisco Nexus switches.
Continue reading “Setting up logs on Cisco Nexus”DSE7420MK2 ethernet port does not work after a thunderstorm
One day, after a thunderstorm, the Ethernet port in the DSE7420MK2 generator control module stopped working. The link appeared and disappeared, but at a distance of 10m the device was not accessible. If you connect with a short 1m cable, then sometimes it was available.
Continue reading “DSE7420MK2 ethernet port does not work after a thunderstorm”Solution for heavy CPU load MikroTik CRS106-1C-5S
One day I was asked to look at MikroTik CRS106-1C-5S, whose users could not use the Internet normally, there was no speed and ping requests dropped out. When I looked at CPU utilization, it was almost 100% (in the menu System – Resources).
Continue reading “Solution for heavy CPU load MikroTik CRS106-1C-5S”Configuring BGP on Juniper MX – traffic balancing
I will give an example of setting up eBGP on Juniper MX204 with several uplinks and balancing traffic between them.
Continue reading “Configuring BGP on Juniper MX – traffic balancing”Juniper QSFP Temperature low warning set
One day, after connecting several 40G transceivers to the Juniper QFX5100 and MX204 devices, messages from these devices began to arrive on the syslog server:
Continue reading “Juniper QSFP Temperature low warning set”How to configure BGP prefix-limit on Juniper
I will give an example of setting up prefix-limit for BGP so that a neighbor does not accidentally send more routes than he should.
Continue reading “How to configure BGP prefix-limit on Juniper”Juniper SNMP OIDs DDM for optical signal transceivers
I will give an example of receiving an optical signal via SNMP from optical transceivers connected to Juniper devices.
Continue reading “Juniper SNMP OIDs DDM for optical signal transceivers”