One of my readers sent me a list of questions after watching some of my videos, starting with a generic one:
While working self within large corporations for a long time, I am asking myself how it will be possible to move from messy infrastructure we grew over the years to a modern architecture.
Usually by building a parallel infrastructure and eventually retiring the old one, otherwise you’ll end up with layers of kludges. Obviously, the old infrastructure will lurk around for years (I know people who use this approach and currently run three generations of infrastructure).
Read more ...My February 2017 CCDE class is now over. The duration of the course was for 11 days and as usual it started with lots of advanced technology lessons. All the critical CCDE exam topics (IGP, BGP , MPLS and the other technologies) were covered in detail from the design point of view. A minimum of […]
The post February 2017 CCDE Training is over ! Waiting the attendees success now ! appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
This post will describe the exercises and solutions for week three of Kirk Byers Python for Network Engineers.
Exercise two of week three we already completed in a previous post where we used a For loop to loop through the BGP output.
Let’s move on to exercise three instead:
III. You have the following 'show ip int brief' output. show_ip_int_brief = ''' Interface IP-Address OK? Method Status Protocol FastEthernet0 unassigned YES unset up up FastEthernet1 unassigned YES unset up up FastEthernet2 unassigned YES unset down down FastEthernet3 unassigned YES unset up up FastEthernet4 6.9.4.10 YES NVRAM up up NVI0 6.9.4.10 YES unset up up Tunnel1 16.25.253.2 YES NVRAM up down Tunnel2 16.25.253.6 YES NVRAM up down Vlan1 unassigned YES NVRAM down down Vlan10 10.220.88.1 YES NVRAM up up Vlan20 192.168.0.1 YES NVRAM down down Vlan100 10.220.84.1 YES NVRAM up up ''' From this output, create a list where each element in the list is a tuple consisting of (interface_name, ip_address, status, protocol). Only include interfaces that are in the up/up state. Print this list to standard output.
In this Continue reading