Networking, system administration and more
Networking, system administration and more
By default, when you install a Juniper vMX device the physical interfaces will all be named “ge-0/0/*” and the output from show interface ge-0/0/X will show the speed as 1G. If you are using SR-IOV with 10G/100G NIC’s this can be a bit confusing. According to the Juniper docs this […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. If you will be creating GRE tunnels on a Juniper vMX device you will first need to enable the tunnel services. If you do not do this you will not have any GRE interfaces available […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. If you will be using IPSEC on a Juniper vMX router you will need to enable the adaptive services interface. This is not enabled by default. Once enabled the adaptive services interface will be present […]
Read moreThe Juniper vMX router for KVM includes a shell script to install and manage the vMX virtual machines. Here are the common commands you can use with the vmx.sh script: To do the initial installation of the vMX (this only needs to be done once, if you run it again […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. These steps will help you install a Juniper vMX device on KVM. The steps assume you have already deployed a KVM host with all of the requirements that the vMX needs. If you did not […]
Read moreNOTE: This guide is being left in place for legacy reasons. I do not recommend deploying Ubuntu 14.04 for the vMX, instead I would suggest Ubuntu 16.04 with release 18.2 or 18.3 of the vMX. This setup guide will help you setup and prepare a host running Ubuntu 14.04 to […]
Read moreThese are some common commands for iproute2. VLAN’s Add VLAN 100 interface on eth0: ip link add link eth0 name eth0.100 type vlan id 100 Delete VLAN 100 interface on eth0: ip link delete eth0.100 Bring up the VLAN 100 interface: ip link set dev eth0.100 up Bring down the […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. This setup guide will help you setup and prepare a host running CentOS to run the Juniper vMX product. This guide makes some assumptions about your environment: You want to use SR-IOV for better performance. […]
Read moreThese are some common commands I use. In the examples, C-a means push the Control + A buttons at the same time. Send command to all windows Enter command line mode with C-a then :. This will send ls -l to all windows: Automatic window naming When I connect to […]
Read moreThese are some common OpenSSL commands. Generating Keys/Certs Generate new CSR and private key: openssl req -out csr.csr -new -sha256 -newkey rsa:4096 -nodes -keyout key.key Generate CSR for an existing key: openssl req -out csr.csr -key key.key -new -sha256 Generate self signed cert and key: openssl req -x509 -sha256 -nodes […]
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