Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


What’s Changed in Release 21.1R2

General Routing

  • Changes in contextEngineID for SNMPv3 INFORMS (PTX Series, QFX Series, ACX Series, EX Series, MX Series, and SRX Series)— Now the contextEngineID of SNMPv3 INFORMS is set to the local engine-id of Junos devices. In earlier releases, the contextEngineID of SNMPv3 INFORMS was set to remote engine-id.

    [See SNMP MIBs and Traps Supported by Junos OS.]

Interfaces and Chassis

  • Blocking duplicate IP detection in the same routing instance (All Junos platforms)—Junos will no longer accept duplicate IPs between different logical interfaces in the same routing instance. Refer to the table mentioned in the topic inet (interfaces). When you try to configure same IP on two logical interfaces inside same routing instance, the commit will be blocked with the error displayed as shown below:

    [See inet(interfaces).]