Networking, system administration and more
Networking, system administration and more
These are the steps for deployment of the Juniper vRR (virtual route reflector) on Proxmox VE. For those not unaware, the virtual route reflector gives you the full policy capability of JunOS for routes without the actual forwarding engine. The route reflectors can then be configured using existing configuration tools […]
Read moreThe Juniper vSRX uses nested virtualization to run. The host OS is Wind River Linux, assuming you are running this on ESXi you can see the host OS if you push Alt + F2 to access a separate terminal. For troubleshooting or if you are interested in further information about […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. While looking at the Juniper vMX documents recently, I noticed that support has now been added for Ubuntu 16.04 with kernel 4.4.0-62-generic (see Table 2). Since I personally prefer using Debian over RHEL systems, I […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. Juniper has provided an updated copy of the i40e module to resolve the “PF reset” issues that occur on vMX routers when using SR-IOV. The new driver release is version 2.4.101. IMPORTANT: At the time […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. Recent releases of the Juniper vMX (18.1 onwards) support dual routing engines when using KVM as the virtualisation technology. One or both of the routing engines do not need to be configured on the same […]
Read moreWhen attempting to install a Juniper vMX router (release 18.3R1-S1.4) on a newly installed Centos 7.2 host I got the following error: When I checked the supported machine types with /usr/libexec/qemu-kvm -machine help everything looked fine, pc-i440fx-rhel7.0.0 was listed as the default: The error gmem.c:489: custom memory allocation vtable not […]
Read moreUPDATE: A new copy of the i40e driver has been provided by Juniper (unofficially). You can try this at your own risk, see here for details. When using a Juniper vMX with a Intel X520 or Intel X710 based card and SR-IOV, under load the vFPC may crash. This seems […]
Read moreI experienced a strange issue after making some configuration changes to a Juniper MX104 device with a MS-MIC-16G installed. After removing some NAT rules the services interface that the NAT service was attached to started doing a large amount of traffic. The same change was made on a second router […]
Read moreRecently Juniper has released version 18.2R1 of the vSRX appliance. When I have tried to deploy the OVA file on an ESXi 6.7 host the deployment failed. The first indication of an issue is on step 5 of creating a new virtual machine, the deployment type shows as “undefined – […]
Read moreIn my network, a Juniper SRX cluster handles all DHCP leases (via an IP helper configured on the switches with DHCP snooping). These are the steps I used to get the DHCP server for SRX devices to work for Windows Deployment Services. Main DHCP Configuration The following configuration is set […]
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