Juniper – IT Blog

How to block sites on Juniper

For example, I’ll take the Juniper MX204 router and show an example of blocking sites by IP addresses or networks.

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.

I will give an example of setting up Juniper logging to the syslog server, for convenience, to view the logs of all devices in one place, and it will also be possible to disable logging to the device’s memory to save its memory.

Warning: Host-bound traffic for protocol/exception DHCPv4:bad-packets exceeded its allowed bandwidth

Once I noticed the following warnings in the Juniper MX204 logs:

Category Archives: Juniper