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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...
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. ...
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....
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...
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 ...
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...
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 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...
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.
