Архивы Hardware - Page 3 of 53

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.

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).

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.

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:

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.

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.

Juniper MX. How to view user session speed

Let’s say the user has an IP address 172.18.24.33, now let’s see the speed:

Juniper MX. How to send client traffic to a NAT server

Let’s say there is no default route on Juniper MX, or it is not suitable, or client traffic needs to be sent to different NAT servers, in this article I will describe how to do this.

How to disable a port on Juniper

I will give an example of disabling/enabling a port on Juniper devices.

Setting up ETP48100-B1 with Huawei MA5800

For example, I will connect the ETP48100-B1 power supply to the Huawei MA5800.
The kit included a regular ethernet patch cord with a standard pinout. I connected one side to the ESC port on the Huawei MA5800, and the other to the COM_OUT port on the ETP48100-B1.