Skip to main content
Share Your Experience: Take the 2024 Developer Survey

Questions tagged [cisco-isr]

Questions about Cisco Integrated Services Routers (ISR).

6 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2 votes
0 answers
1k views

NVI based NAT on Cisco ISR terrible performance

I am trying to experiment with a Cisco ISR 1841 and have configured NAT on the device. The intention is to simulate it being a broadband router. I understand that this is not the best performing ...
pieterk's user avatar
  • 181
1 vote
0 answers
543 views

Cisco IP SLA HTTP request with frontdoor VRF

I am trying to use a IP SLA for HTTP on my Cisco ISR 4321 router to check if a website is reachable. The challenge is that I need to do that in a frontdoor VRF. I have configured ip name-server vrf ...
Daniel's user avatar
  • 1,071
1 vote
0 answers
751 views

Cisco 2911 RAM memory upgrade

Does anyone knows what kind of DDR2 memory goes to DIMM0 slot in Cisco 2911 router? I tried with 512 Mb and 1 Gb with 533, 677, 800 MHz, nothing will work. It say Verification not passed.
John's user avatar
  • 812
1 vote
0 answers
556 views

Unable to receive return packets on Azure IPSEC VPN Connection

Trying to get the VPN tunnel to Azure working on a Cisco ISR 1941 but have been unable to get any traffic flowing back from Azure to site. The tunnel looks to be up and a machine in Azure is ...
atomicharri's user avatar
0 votes
0 answers
490 views

Cisco 4221 basic internet setup

I've just got a new cisco 4221 isr router that has sd-wan firmware. This is my first experience with this series and im trying to set ip up for basic internet access but no luck. Here is an overview ...
midorima225's user avatar
0 votes
1 answer
5k views

Destination NAT on Cisco ISR

I know how to perform regular overload PAT in my lab running sh ver Cisco IOS XE Software, Version 16.03.09 Cisco IOS Software [Denali], ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 16.3.9, ...
o8uijoipjasdfjiloasdfjl32's user avatar