I will give an example of disabling/enabling a port on Juniper devices.
Continue reading “How to disable a port on Juniper”Category Archives: Juniper
Configuring Syslog on Juniper
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.
Continue reading “Configuring Syslog on Juniper”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:
Continue reading “Warning: Host-bound traffic for protocol/exception DHCPv4:bad-packets exceeded its allowed bandwidth”SNMP OID for Juniper QFX
I once wrote a Zabbix template for QFX5100 and will show some of the main SNMP OIDs that I used:
Continue reading “SNMP OID for Juniper QFX”Configuring Juniper QFX5100
For example, I will configure the Juniper QFX5100-24Q-AFO switch.
Continue reading “Configuring Juniper QFX5100”Configuring Juniper MX and ABillS
For example, I will configure the Juniper MX204 to work with the ABillS billing system.
Continue reading “Configuring Juniper MX and ABillS”Juniper. Configuring RPF in Dynamic Profiles
For example, I will configure unicast RPF (reverse-path forwarding) on Juniper MX204.
RPF allows you to reduce the impact of DOS-type attacks on IPv4 and IPv6 interfaces.
Configuring iBGP on Juniper MX
For example, I will configure Internal BGP on Juniper MX204. Since there are servers with Accel-ppp (ipoe) in the network and you need to balance users between these servers and Juniper, iBGP will transfer user routes with /32 mask from all devices to the main router/routers. iBGP is also needed when there are several links to Uplink providers that are connected to different routers, then you need to configure iBGP between these routers.
Continue reading “Configuring iBGP on Juniper MX”Configuring OSPF on Juniper MX
For example, I will configure OSPF on Juniper MX204.
Continue reading “Configuring OSPF on Juniper MX”Juniper. Solution of failing auto-image upgrade
I was setting up a Juniper QFX5100 once and noticed persistent messages:
Continue reading “Juniper. Solution of failing auto-image upgrade”