For example, I will configure unicast RPF (reverse-path forwarding) on Juniper MX204.
RPF allows you to reduce the impact of DOS-type attacks on IPv4 and IPv6 interfaces.
Configuring iBGP on Juniper MX
For example, I will configure Internal BGP on Juniper MX204. Since there are servers with Accel-ppp (ipoe) in the network and you need to balance users between these servers and Juniper, iBGP will transfer user routes with /32 mask from all devices to the main router/routers. iBGP is also needed when there are several links to Uplink providers that are connected to different routers, then you need to configure iBGP between these routers.
Continue reading “Configuring iBGP on Juniper MX”How to set up MikroTik CRS212-1G-10S-1S+ IN
For example, I will configure MikroTik CRS212-1G-10S-1S + IN as a switch.
And so, connect to it with a console cable at a speed of 115200.
Initially login admin without password.
Configuring MikroTIk CRS106-1C-5S
For example, I will set up MikroTIk CRS106-1C-5S. This device is a great budget switch that can also work as a router. In my case, it was perfect for an educational institution, there is a combo port on the back wall, which I configured as a WAN and the Internet was connected to it (from GPON ONU with a twisted pair cable), and managed switches were connected to the front 5 SFP ports.
Continue reading “Configuring MikroTIk CRS106-1C-5S”Configuring OSPF on Juniper MX
For example, I will configure OSPF on Juniper MX204.
Continue reading “Configuring OSPF on Juniper MX”Juniper. Solution of failing auto-image upgrade
I was setting up a Juniper QFX5100 once and noticed persistent messages:
Continue reading “Juniper. Solution of failing auto-image upgrade”Configuring LAG on Juniper QFX5100
For example, I will configure the LAG on the Juniper QFX5100, by which I will connect the Juniper MX204.
Continue reading “Configuring LAG on Juniper QFX5100”Silicom Intel XL710 firmware not updating
One day they sent me an Intel XL710-QDA2 network adapter, from the manufacturer Silicom, on which the firmware could not be updated.
Continue reading “Silicom Intel XL710 firmware not updating”BIRD BGP: Unexpected connect from unknown address
Once I set it up on a new BIRD server and noticed entries in the logs:
Continue reading “BIRD BGP: Unexpected connect from unknown address”How to see Wi-Fi password on MikroTik
If you look at the password in the Wireless – Security Profiles menu in RouterOS, then it is hidden behind the symbols and can only be changed, so I will show an example of how you can see it.
Continue reading “How to see Wi-Fi password on MikroTik”