About Vittorio Alfieri

Vittorio Alfieri · 01-12-2015

This script helps fix a bug in Cisco IOS present in many (if not all) versions from 12.4 to 15.1 when using NVI, PAT, and a dynamically assigned global IP address.BACKGROUND:NVI has certain advantages over traditional NAT, for one it can perform REVE...

Vittorio Alfieri · 04-01-2012

The problem is I can't access the router from the internet. I am also an ocean away from the site. I have an ugly hack set up where I access an inside PC with Teamviewer and then puTTy to the router, but it is slow, ugly, and doesn't fix my problem. ...

Vittorio Alfieri · 02-29-2012

Hello. I am trying to set up a DMVPN.The setup is the following:1751-V is a spoke - c1700-advsecurityk9-mz.124-15.T14.bin2691xm is a hub - c2691-advsecurityk9-mz.124-15.T14.bin As I stated in the title, my clients' 2691xm router is deaf to ISAKMP....

Vittorio Alfieri · 09-21-2011

I have a 1751-v router and wic-4esw 4 ethernet port switch card. I am trying to configure the card as a 4 port switch with a single ip address by vlan. When configuring the Fastethernet interface, the terminal takes the following comands, but does no...

Vittorio Alfieri · 01-12-2015

Hi. What you are looking to do is perform REVERSE PORT ADDRESS TRANSLATION.People call it all sorts of crazy things like: NAT Hairpinning, NAT-on-a-stick, NAT reflecting, and NAT loopback.Just to clear this up,.. Hairpinning is a technique used in a ...

Vittorio Alfieri · 01-12-2015

Hi, I based myself on sklic's code to read and re-enter the existing configuration as soon the network interface state changes. This is an EEM script, so you have to copy it and "install" it in your router.It's almost as if it's a patch to the bug. Y...

Vittorio Alfieri · 01-10-2015

Holy F-ing bug, Batman!Cisco REALLY, needs to fix this. It's still around!I had this happen to me across 3 different routers (887, 1841, 2821) where I "upgraded" to using NVI , and the end result is random web services stop working at different point...

Hi!I had the same problem, on · 07-15-2014

Hi!I had the same problem, on a Cisco 2801 with IOS 15.1.map_db_check_isakmp_profile profile did not matchmap_db_find_best did not find matching mapIPSEC(ipsec_process_proposal): proxy identities not supported I have a router that is doing nat + dmvp...

Vittorio Alfieri · 10-16-2012

You need to exit the EEM session by following up your script with:action 5.0 cli command "end"action 6.0 cli command "exit"Otherwise the sessions will pile up until they max out.

Member Since	‎09-21-2011 06:22 PM
Date Last Visited	‎10-09-2017 11:46 AM
Posts	19
Total Helpful Votes Received	15

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EEM script to fix invalid PAT entries when using NVI and using a dynamic IP address

HWIC-3G-CDMA-S is DRIVING ME CRAZY! No incoming WAN access.

Help! My 2691xm router is deaf to ISAKMP

Help with 1751-v router and wic-4esw configuration not saving

Hi. What you are looking to

Hi, I based myself on sklic's

Holy F-ing bug, Batman!Cisco

Hi!I had the same problem, on

Not enough TTY lines to run some EEM applet