01-15-2026 09:30 AM - edited 01-15-2026 09:35 AM
Hello,
We are deploying Nexus Dashboard Fabric Controller (NDFC) in a secured on-prem environment.
All outbound internet access must go through an HTTP/HTTPS proxy.
We would like to clarify:
1. Does NDFC support downloading NX-OS images, application updates, and service packages through an HTTP/HTTPS proxy?
2. Which FQDNs/URLs and TCP ports must be allowed through the proxy?
In addition, we would like to understand the backup capabilities:
3. Is it possible for an external backup system to initiate a connection to NDFC and pull backups?
4. If not, is backup supported only as a push operation from NDFC to an external repository?
5. Which protocols and ports are supported for external backup integration?
Thank you.
01-15-2026 09:53 AM
1. Does NDFC support downloading NX-OS images, application updates, and service packages through an HTTP/HTTPS proxy?
2. Which FQDNs/URLs and TCP ports must be allowed through the proxy?
As long as Proxy allows you to download, you should be able download software; most of the time, it is http/https ports.
In addition, we would like to understand the backup capabilities:
3. Is it possible for an external backup system to initiate a connection to NDFC and pull backups?
4. If not, is backup supported only as a push operation from NDFC to an external repository?
5. Which protocols and ports are supported for external backup integration?
Not sure about remote logging and taking a backup
But schedule backup in possible different ways, NAS or SFTP/SCP (port 22)
You can find more information depending on the version :
=====️ Preenayamo Vasudevam ️=====
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01-15-2026 11:22 AM
Thanks.
Just to confirm – besides opening TCP 443/80, are there specific Cisco FQDNs that must be explicitly allowed through the proxy for NDFC software downloads?
01-15-2026 06:34 PM
*.cisco.com
=====️ Preenayamo Vasudevam ️=====
***** Rate All Helpful Responses *****
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