Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
ISP vs Enterprise networks
I recently was hanging out with an ISP admin who moved over from the Enterprise world. After a few days with him, it rekindled the interest in writing this article. From a high level, a network is a network. Its job is to move bits to and fro. The goals of the network are where … Read more
Is your Librenms ./daily.sh failing?
From the Folks over at LibreNMS Users of daily updates (the default), your installs will no longer update without a little manual intervention. It will not be an issue for those on the monthly updates. You will need to update LibreNMS manually to resolve the issue. su – librenms git pull ./daily.sh
Mikrotik LHG60s supporting a WiFi deployment
Farm progress show 2019. Mikrotik 60 ghz backhauling between WiFi nodes. Wireless wire cluster for high Bandwidth customers. 5ghz for smaller bandwidth customers.
A network analogy
As I was working on some other articles a simple analogy came to me. The folks who build roads are rarely the people who build houses. As such, the server folks who build the digital houses typically don’t build the access networks. For you old-timers, this would be the information superhighway. So why is this … Read more
80GHZ microwave antenna alignment (and other mm-wave radios)
Recently we had a teaching moment for a couple of folks who had not had much experience with aligning higher frequency antennas with very tight beamwidths. This particular day we were aligning 2 foot Siklu 80GHZ antennas. One of the questions we often get asked is how do you align these? These questions are usually asked … Read more
Some firewall and switch work
Some dell servers going in for a client. Cisco 3063 switches, Palo Alto firewalls. The yellow and red power cables denote A and B power.
Quick tidbit on Cambium GPS sync source
Synchronization source– Synchronization mode supports two types of timing sources: the timing signal provided by a Cambium Network’s Cluster Management Module (CMM) or by the AP’s own on-board GPS receiver. Both these sources require GPS Synchronization capable AP hardware and will allow APs to receive a stable timing signal to synchronize their own Tx/Rx cycles. … Read more
DOCSIS 4.0 and you
While DOCIS 4.0 is still quite a ways off here are some links for those of you interested in DOCIS 4.0.