OpenGear Resilience gateway for ISPs
Some quick notes and screenshots from the OpenGear Resilience Gateway https://opengear.com/products/acm7000-resilience-gateway . The model I am working with is the ACM7004-2-L. It has 4 serial Cisco Straight pinout, Dual 1 GbE Ethernet, Global 4G LTE-A Pro cellular, 2 DIO, and …
Cisco Syslog severity levels
For those of you implementing Syslog triggers and such the following list will be helpful in filtering and classifying Syslog entries. 0 – Emergency 1 – Alert 2 – Critical 3 – Error 4 – Warning 5 – Notice 6 …
New Undersea Cable – Grace Hopper
https://cloud.google.com/blog/products/infrastructure/announcing-googles-grace-hopper-subsea-cable-system …We’re excited to announce a new subsea cable—Grace Hopper—which will run between the United States, the United Kingdom and Spain, providing better resilience for the network that underpins Google’s consumer and enterprise products.
Preseem and Switches in switch centric design
Anyone who follows me knows I am a big fan of switch centric designs. This usually involves a router on a stick paired with a high port count switch. Recently I had a client that installed a Preseem appliance in …
Siklu Case study 80 GHZ Indianapolis Indiana
Some photos from a Siklu 80GHZ deployment in Downtown Indianapolis, Indiana. This was deployed by On-Ramp Indiana (https://www.ori.net). The problem being solved is moving video files around a network in order to get it to smart screens and projectors. This …
Wireless ISP Network IP Scheme
For those of you starting out in the WISP field here is a good overview of a scalable Ip scheme for your WISP network. There are some caveats to this, which we will discuss later. This does not address IPV6, …
Mikrotik Audience
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Cisco High Availability design
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this …
WIFI calling port forwarding
Recently I came across a need to do some port forwarding for wifi calling. I have assembled a resource guide to help you if you need to do such things. IPSEC should be allowed per RFC 5996 https://tools.ietf.org/html/rfc5996 for all …
Mikrotik 6.47.1 released
Lots of things here. Some noteable things What’s new in 6.47.1 (2020-Jul-08 12:34): *) crs3xx – fixed HW offloading for netPower 15FR and netPower 16P devices (introduced in v6.47);*) crs3xx – fixed increased CPU temperature for CRS354-48G-4S+2Q+ device (introduced in …