This bulletin is to notify Juniper Networks customers that Junos Service Release 12.3R10-S1, for the EX4200, EX4500/EX4550, EX8200 Switch platforms, has been released.

This bulletin is to notify Juniper Networks customers that Junos Service Release 12.3R10-S1, for the EX4200, EX4500, EX4550, EX8200 Switch platforms, has been released. This Service Release is based on Junos 12.3R10 and only includes the problem report (PR) fixes listed below for the EX4200 and EX8200 Switches. If you are experiencing any of the problems listed below it is recommended that you upgrade to this service release.

• PR1102648 -- Newer EX8200 linecards require a minimum software release to boot up successfully (The actual software changes were committed via PR805026 for this specific problem).
• PR1098127 -- On EX4200 Series Switches, eswd process might crash and generate a core-dump when 802.1x and private VLANs are configured along with DHCP-snooping

Please note that these PRs are NOT applicable to EX45xx platforms. The software images for EX45xx are provided for EX4200 running in EX45xx/EX4200 mixed mode virtual-chassis.

NOTE: Please refer to the "Related Links" section below for additional information concerning these PRs.

Download Links:

EX4200 Software Image Download Links:

• jinstall-ex-4200-12.3R10-S1-domestic-signed.tgz
• jinstall-ex-4200-12.3R10-S1-domestic-signed.tgz.md5

EX8200 Software Image Download Links:

• jinstall-ex-8200-12.3R10-S1-domestic-signed.tgz
• jinstall-ex-8200-12.3R10-S1-domestic-signed.tgz.md5

XRE200 Software Image Download Links -- for EX8200 Virtual Chassis:

• jinstall-ex-xre200-12.3R10-S1-domestic-signed.tgz
• jinstall-ex-xre200-12.3R10-S1-domestic-signed.tgz.md5

EX4500/EX4550 Software Image Download Links for Mixed Mode VC with EX4200:

• jinstall-ex-4500-12.3R10-S1-domestic-signed.tgz
• jinstall-ex-4500-12.3R10-S1-domestic-signed.tgz.md5