IPv4

About & Contact

Netravnen Doing Network Operations where Netravnen work. Else reading in spare time along with following the news stream of IPv6 “Death” March to replace IPv4 (in-)completely somewhere around 2050 +/- 20 years. Contact Netravnen exists on social network and other online code hosting repository websites. Otherwise find me by using online search engines. Email You … Read more

Allocations

Allocations IP addresses AFI Prefix Size Purpose/Usage Link IPv4 172.20.230.0 25 Git IPv4 172.22.240.0 26 Git IPv6 fd00:aaaa:255:: 48 Git IPv6 fd05:3aca:c3a0:aaaa:: 64 Numbered eBGP peerings Git Autonomous System Numbers ASN 2/4-byte Purpose/Usage Link 208391 4-byte To be used Git 4242420144 4-byte Currently used Git All ASN is aggregated in this as-set.

How-to VPN: Private Internet Access (PIA) and MikroTik Router

First create a vpn profile to use when creating l2tp/pptp connections to privateinternetaccess. /ppp profile add change-tcp-mss=yes \ comment=”PIA VPN” \ dns-server=209.222.18.222,209.222.18.218 \ name=privateinternetaccess only-one=no \ use-compression=no use-encryption=required \ use-ipv6=no use-mpls=no use-upnp=no Create the l2tp interface /interface l2tp-client add \ comment=”PIA VPN Netherlands” \ connect-to=nl.privateinternetaccess.com \ disabled=no name=pia-de-l2tp \ profile=privateinternetaccess \ user=[l2tp-username] \ password=[l2tp-password] [l2tp-username] … Read more

Problems with a IPv6 only network – Ben’s Place

In my last post I talked about running a pure IPv6 network, as part of my ISP building project, but still allowing access to resources on the internet currently only available via IPv4.This works well assuming all the clients on the local network are IPv6 capable, unfortunately this is not always the case. There are … Read more

David Holder – An Overview of IPv6 Security

Speaker: Dr David Holder (Erion Ltd) http://uknof.uk/42/ Security is one of the most crucial factors in modern networks. Network operators are painfully aware of this. IPv6 brings new challenges, features and opportunities for network security. This presentation provides a comprehensive overview of IPv6 security, why it needs to be taken seriously, how it differs from … Read more