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Hello folk,Many times a packet capture needs to be performed within the network to diagnose network issues. Luckily there are a couple of platforms (IOS, IOS-XE and ASA) that allow packet captures to be taken on the network devices themselves. Howe...
Hello folks,
IPsec tunnels between two devices have many configuration options and settings that need to be aligned for the tunnels to come up correctly. In fact we see hundreds of cases per month for configuration assistance requests for VPN tunn...
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This video walks through the updated Site-to-Site IPsec VPN Wizard available within ASDM. The workflow has now been simplified and reduces the need for protocol specific knowledge.
Earlier this summer Cisco release the following security advisory for Anyconnect and CSD. The advisory warns of an exploit within the ActiveX and Java applet that are used to web-deploy Anyconnect and CSD. The exploit allows for abitrary code exec...
IntroductionRequirementsConfigure via ASDMTestingCaveats and Implemention notes IntroductionSecure VPN remote access historically has been limited to IPsec (IKEv1) and SSL. These were supported using the "Cisco VPN client" for IPsec based VPN and An...
@pboynton1 , I know this is a very late response but posting in case someone else has the same question. IKEv1 and IKEv2 are used as a control plane to negotiate and install IPSec SAs. The data going over the tunnel, called the data plane, will us...
Eliska,
The EPC is an IOS feature that was designed to capture traffic on routers running IOS. The switch you are using has a different packet forwarding path than compared to an IOS router (like a 2921). As a result that is likely the reason it i...
Brianpetes,
You can use the following tool made by one of my colleagues to determine the size of the RTP packet and then use as an input to this tool.
https://cway.cisco.com/tools/vccalc/
Hope this helps.
-Jay
Does this link help?
http://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next-generation-firewalls/107051-cac-anyconnect-vpn.html
-Jay
