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With the increasing popularity of IPSec VPN deployments on the Internet, there is often a need to understand the exact IPSec and other tunnel encapsulation overhead in order to determine the fragmentation boundary conditions for optimal MTU/MSS tunin...
IntroductionThis document describes the issue on a Cisco IOS® router when Secure Shell (SSH) to the router sometimes fails with a reported user authentication failure in the SSH debugs. This issue occurs even though the user credentials entered are c...
SummaryWith Netflow enabled on an IOS router that also has IPSec configured, there is a known issue where the Netflow export packets to the collector may not get encrypted on the sending IPSec endpoint, even though the flow matches the IPSec encrypti...
Hi, Steve:
Good to know FlexVPN is working out for you. You can find most of the FlexVPN configuration examples here:
http://www.cisco.com/c/en/us/support/security/flexvpn/products-configuration-examples-list.html
Specifically, for what you want to...
Sebastian: Good to know the tool is useful to you. If you have any ideas on how it can be enhanced, provide your feedback using the feedback link, and we'll do what we can. Thanks,Wen
Hi,No there is no known issue with mac verification errors in 12.4(24)T5 as far as I know. Given the frequency of the error, there is a good chance that you are actually running into packet corruptions in the transit network. Sniffer traces will tell...
Hi,If you can't ping the gateway, then it's unlikely an RA or DHCPv6 problem. If you statically configure the workstation with an IPv6 address on the same network as the gateway, does it work? If not, can you take a packet capture to see if you get t...
