Installing and Configuring PowerDNS with Poweradmin Add Repositories # yum install yum-priorities # rpm –import http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka # nano -w /etc/yum.repos.d/utterramblings.repo [utterramblings] name=Jason’s Utter Ramblings Repo baseurl=http://www.jasonlitka.com/media/EL$releasever/$basearch/ enabled=1 gpgcheck=1 priority=1 gpgkey=http://www.jasonlitka.com/media/RPM-GPG-KEY-jlitka Installing MySQL # yum install mysql mysql-server # chkconfig –levels 235…

Installing and Configuring PowerDNS with PowerAdmin from Source Pre-requisites ============== # yum group install ‘Development Tools’ # yum install libxml2-devel gd gd-devel libmcrypt-devel libmcrypt libmhash curl curl-devel libtool-ltdl-devel libtool-ltdl libpng-devel imagemagick ncurses ncurses-devel pce-devel zlib-devel bzip2-devel Apache 2.2.15 ============= #…

PPPoE Dialer or ADSL Setup on CentOS, Fedora and Redhat  1. Find the package >rp-pppoe rpm -qa | grep rp-pppoe 2. If not installed , install it from the cd> rpm -ivh rp-pppoe 3. Login as root. 4. Type adsl…

At first you must declare ZONE information at any Juniper firewall device. Here I describe two types of ZONE with simpleast way. Trust and Untrust. Basically TRUST zone is your LAN SIDE And UNTRUST zone is your WAN SIDE. First, you…

There are different types of NAT that you can configure as per your requirement. Different types of NAT are, source NAT, destination NAT and static NAT. Here giving example of static nat which is based by pool. First, you need to…

You want to advertise configured static routes to adjacent OSPF neighbors, going beyond the OSPF default of advertising only the routes learned from an OSPF neighbor. To modify the route advertisement behavior, create and apply a routing policy. First, create…

Here I create three terms on a single policy-statement. Policy Statement Name is “Upstream”. First term name ISP-1, Second term ISP-2, Third term name is ISP-3 and Finally I make term that is Reject. That mean only those prefixes will…

If we want to filter unwanted prefixes from our routing table, we can filter those prefixes with a list and in this scenario, we can create a prefix-list. Here I am showing how we can create a prefix-list Create a list of all…

Viewing the VPN Routing Tables You want to check the routing tables on the PE routers to determine that they contain all the expected routes. The show route command displays the contents of all routing tables on the PE router:…

A route filter is a collection of match prefixes. When we specifying a match prefix, we can specify an exact match with a particular route or a less precise match. You can configure either a common action that applies to the…

A advantage of route lists over prefix lists is that each prefix can include an action. When a match occurs, the action is taken immediately instead of waiting to reach the then clause. When the list of prefixes is long,…

The Junos OS routing protocol process assigns a default preference value (also known as an administrative distance) to each route that the routing table receives. The default value depends on the source of the route. Ranks routes received from different sources…

Adding a VPN for a Second Customer You want to configure a single PE router to keep the traffic for the two different VPNs separated. Configure the VPN for the second customer on the PE router: [edit   routing-instances VPN1…

Setting Up a Simple Layer 3 VPN You want to set up a Layer 3 VPN for a customer who wants a private network for internal network communication and transactions. Creating a Layer VPN for the customer involves setting up…

If you want to restrict access to particular source IP then this is the right topics for you. First need to create Allow Rules for IP Block and port. Here I use allowed IP Block 192.168.1.0/24 and allowed port ssh and…