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The DAC (Direct Attach Cable) interface will not come up on QFX series switches that use the 42-47, 0-5 Fiber Channel Ports

March 20, 2020 by Marques Brownlee

This article describes the issue of the DAC (Direct Attach Cable) interface not coming up on QFX-series switches that use the 42-47 and 0-5 Fiber Channel ports. On QFX-series switches, the Direct Attach Cable (DAC) interface does not come up, when a DAC is attached to the 0-5 or 42-47 interfaces; regardless of whether the interfaces are in the 10-Gigabit Ethernet mode or … [Read more...]

Filed Under: Juniper

1 hour delay in the license expiration trap

March 20, 2020 by Marques Brownlee

This article describes the issue of a one hour delay in the license expiration trap. The date is set, as shown below, and the license expiration date is 2012-10-17 00:00:00 UTC: root> set date 201210162359.30 Tue Oct 16 23:59:30 UTC 2012 root> show system license License usage: Licenses Licenses Licenses Expiry Feature name used installed … [Read more...]

Filed Under: Juniper

Performance of the EX8200-40XS line card

March 19, 2020 by Marques Brownlee

This article provides information about the performance of the EX8200-40XS line card. Information about the performance of the EX8200-40XS line card. 1. The data rate of EX8208-40XS is 80 Gbps. 2. 40 SFP/SFP+ ports on the EX8200-40XS are divided into eight independent groups with five ports each. 3. The ports in each port group share 10 gigabits of bandwidth. … [Read more...]

Filed Under: Juniper Tagged With: EX8200-40XS

Chassisd Error Messages

February 17, 2020 by James Palmer

CHASSISD_OVER_TEMP_CONDITION CHASSISD_OVER_TEMP_SHUTDOWN_TIME CHASSISD_VOLTAGE_SENSOR_INIT CHASSISD_TIMER_VAL_ERR CHASSISD_PEM_INPUT_BAD CHASSISD_IPC_WRITE_ERR_NULL_ARGS CHASSISD_FRU_OFFLINE_NOTICE … [Read more...]

Filed Under: Juniper

Troubleshooting VMWare ESX/ESXi NIC teaming issues and Juniper EX Switches

January 14, 2017 by Marques Brownlee

This article provides assistance to Juniper employees and support engineers, when troubleshooting VMware related issues that are reported on an EX switch. When configuring Link aggregation between an EX switch and an ESX device, you might encounter a few issues, such as link flap or duplicate packets. This article helps in avoiding some of these issues. The troubleshooting … [Read more...]

Filed Under: Juniper

Example – How to switch boot bank for EX8200 linecard

January 12, 2017 by Marques Brownlee

How to switch the boot bank for EX8200 linecard when the linecard boot fails. Sometimes, the EX8200 linecard cannot work normally due to boot failure. The operator can try to set the boot bank of the linecard to the alternate bank; usually this will bring the failed line card back. Log into line card console by “cty -fw fpcN” where N is the linecard number. From … [Read more...]

Filed Under: Juniper

RPD_DYN_CFG_BAD_REQ_OPCODE

January 12, 2017 by Marques Brownlee

The routing protocol process (rpd), which controls the routing protocols that run on the router, received a dynamic configuration request with an unexpected operation code. This system log message is no longer documented as of JunOS 9.5 and later. This only applies to the MX platform. The problem related to this syslog message is described in the following sections: The … [Read more...]

Filed Under: Juniper Tagged With: routing protocol process, rpd

Filter Based Forwarding (FBF) / Policy Based Routing (PBR) on XRE (EX-8200 VC) with routing-instance type ‘forwarding’

January 11, 2017 by James Palmer

Filter Based Forwarding (FBF) / Policy Based Routing (PBR) on XRE (EX-8200 VC) with routing-instance type 'forwarding' When a router receives a packet, it normally decides where to forward it based on the destination address in the packet, which is then used to look up an entry in a routing table. However, in certain cases, there may be a need to forward the packet based on … [Read more...]

Filed Under: Juniper Tagged With: FBF, Filter Based Forwarding, PBR, Policy Based Routing

Important entities running on QF directors

January 10, 2017 by Marques Brownlee

This article provides information about the important entities running on QF directors. The important entities running on the QF directors are: Network Node Group RE Fabric Manager RE Fabric Control RE Fabric User Interface Manager 1. Network Node Group RE Runs all L2/L3 protocols Has an Active/Backup model 2. Fabric Manager RE Performs … [Read more...]

Filed Under: Juniper

Unable to launch or install the Junos Pulse client on a Windows 7 PC due to an incompatibility message

January 9, 2017 by James Palmer

This article describes an issue regarding the launch or installation of the Junos Pulse client on a Windows 7 PC. An incompatibility message is generated on an attempt to install or launch; the solution is to make sure that the user home and OS are on the same partition. Certain Windows 7 PC users experience an issue in launching the Junos Pulse client, either when directly … [Read more...]

Filed Under: Juniper

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