The radius-disconnect trigger allows not to immediately terminate the user’s session upon receiving a request from the radius server to terminate the session, but to wait until the client requests an extension of the IP address lease and only then send FORCERENEW to the client and terminate the session.
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Setting up BFD on Juniper MX
When one of the channels goes down and in order not to wait for a timer of tens of seconds to break the BGP session and delete the routes, it was necessary to configure the BFD (Bidirectional Forwarding Detection) protocol, which allows you to immediately notify BGP about this and delete the routes going through the non-working neighbor.
Continue reading “Setting up BFD on Juniper MX”Juniper. Port Blocking Filter
I will give an example of blocking SMTP port 25 TCP so that users cannot send spam to servers, that is, they cannot make an outgoing connection to the destination port 25 TCP, instead they can make a connection to ports with authorization and encryption, for example 465 or 587.
Continue reading “Juniper. Port Blocking Filter”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.
Continue reading “How to block sites on Juniper”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”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:
Continue reading “Juniper MX. How to view user session 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.
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