I'm running UltraVNC Server on a PC with 2 Ethernet ports.
These ports are combined with a virtual bridge from Microsoft in Windows 11.
One of the port is connected to a laptop with 1 Gbit/s link to a laptop. The other port is not connected.
On the laptop there is a UltraVNC Viewer running.
The connection is established very quick but the response after connection when moving windows is very slow.
It takes up to 30 s to refresh.
If i disable the virtual bridge everything works fast.
Both PC and Laptop have Windows 11 with UltraVNC 1.4.3.6 with SecurePlugin enabled.
Any ideas why this happens?
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A new stable version, UltraVNC 1.6.0.0 has been released: https://forum.uvnc.com/viewtopic.php?t=38076
Celebrating the 22th anniversary of the UltraVNC: https://forum.uvnc.com/viewtopic.php?t=38031
Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864
Old stable: UltraVNC 1.4.3.6 and UltraVNC SC 1.4.3.6: https://forum.uvnc.com/viewtopic.php?t=37885
Development: UltraVNC development is always here... Any help is welcome.
Join us on social networks and share our announcements:
- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Bluesky/AT Protocol: https://bsky.app/profile/ultravnc.bsky.social
- Facebook: https://www.facebook.com/ultravnc1
- X/Twitter: https://x.com/ultravnc1
- Reddit community: https://www.reddit.com/r/ultravnc
- OpenHub: https://openhub.net/p/ultravnc
Very slow UltraVNC when network adapters are combined with a virtual bridge
-
Rudi De Vos
- Admin & Developer
- Posts: 6930
- Joined: 2004-04-23 10:21
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Re: Very slow UltraVNC when network adapters are combined with a virtual bridge
There are many posts on the net that sometimes virtual bridges are slow for tcp .
I'm not a bridge specialist but it seems to happen when there are routing issue's.
Google "virtual bridge microsoft slow"
Perhaps you understand the answers better
I'm not a bridge specialist but it seems to happen when there are routing issue's.
Google "virtual bridge microsoft slow"
Perhaps you understand the answers better