Ian Underwood

Ian Underwood · 10-02-2019

Here is an interesting scenario:I have a set of IPTV multicast sources on an SVI (172.28.40.0/24), a...

Ian Underwood · 10-09-2018

I can use the MAC OUI for detection, but it wasn't among the things I was looking to do, especially ...

Ian Underwood · 10-08-2018

My organization is deploying some new 9407 switches for campus access, and one feature I've been loo...

Ian Underwood · 07-24-2018

After some rethinking, I managed to get this routing scenario working. My suspicion why this was not...

Ian Underwood · 04-20-2018

Here is an interesting scenario for consideration: I have an enterprise, "A", which intends to form ...

Ian Underwood · 11-07-2017

VTI sounds nice, except I don't have administrative control of the remote endpoints and there is a w...

Ian Underwood · 11-06-2017

The chief requirement is redundancy in an event of a failure. The separate addressing is to support ...

Ian Underwood · 11-03-2017

Here's an interesting problem. I am attempting to land multiple L2L IPSec tunnels on an ASR-1001-HX,...

Ian Underwood · 10-19-2017

Jon, The suggestion to use an address range not related to the local inside subnet was the correct a...

Ian Underwood · 10-18-2017

Jon, I even tried to simply this a little bit, by specifying a static inside and a static outside as...

Ian Underwood · 10-18-2017

I've got a weird scenario where I need to do a port-forward in NAT, as well as a source address tran...

Ian Underwood · 06-07-2017

I wanted to kick the tires on this old thread because somewhere in my travels, I needed to extract s...

Ian Underwood · 06-07-2017

Two questions ... are you using a Tunnel1 interface, and what does the interface for Dialer1 look li...

Ian Underwood · 06-07-2017

I'm curious as well, especially since I already have a pair. Unfortunately, it looks like they suppo...

Ian Underwood · 10-22-2013

I'm having some difficulty with the EXPRESSION-MIB. I am attempting to set up an expression as part ...

Multicast & Source Translation