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How Does NAT-T work with IPSec?

 Introduction:This document describes details on how NAT-T works.  Background: ESP  encrypts all critical information, encapsulating the entire inner TCP/UDP datagram within an ESP header. ESP is an IP protocol in the same sense  that TCP and UDP are...

athukral by • Level 1
  • 501563 Views
  • 32 replies
  • 293 Helpful votes

Issue with API query for DPI Device

Trying to run the following queries to pull data for API data on vManage 20.6.5: /dataservice/statistics/dpi/device/applications/dataservice/statistics/dpi/device/details/applications However, query returns back with the following error: {"error":{"t...

darhuynh by • Cisco Employee
  • 7 Views
  • 0 replies
  • 0 Helpful votes

cucm

 Good afternoon We have a problem after an unexpected hardware shutdown, now when logging into CUCM an error appears " WARNING: Ungraceful shutdown detected - A rebuild or upgrade of this node may be required to ensure no negative impact (such as con...

Снимок экрана 2024-05-14 0956431.png
KOA by • Level 1
  • 92 Views
  • 3 replies
  • 0 Helpful votes

Resolved! Routes behind a tunnel-te unlabelled

I have created a tunnel-te from xrv16 to csr3, the tunnel is up and getting Pop label to csr3 that's ok.From xrv16 I have learned the route to xrv17 over the tunnel, but checking the Label it's unlabbled as well.I believe the route from xrv16 to xrv1...

SD-WAN Validator 20.14 Template issue

Hi, I'm configuring the SD-WAN Control Components 20.14 for a lab. I successfully created and attached a device templates with feature templates for the manager and the controller. I created a vEdge Cloud template for the Validator (vBond). But when ...

dbillon by • Level 1
  • 55 Views
  • 2 replies
  • 0 Helpful votes

ise stuck in configuration memory testing memory

we have a cisco ISE 3595 and I rebooted it by typing reload in the cli. I finally hooked up a vga connection to a monitor and its just stuck on "configuration memory testing memory", keyboard seems unresponsive. I tried connecting from the I/O in the...

Emergency Responder - Multiple Emergency Numbers

At one of my customers, I am implementing CER for emergency dialing (obviously). I have configured and tested 911 call routing. All call routing for emergency services stays on sight (calls go to the on site security desk) and right now 911 is the ...

SSM Multicast and Unicast not working in same switch

Encoder has just one interface too generate Multicast and Unicast video streamsIf all ports of switch are in same VLAN and SSM is not enabled, Client1 is able to play unicast and Client 2 is able to play multicast but when number of streams increase ...

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