[BUG] please check port forwarding works out side of corporate network

[YanZhangADS]

Description

ComputerVision/scenarios/detection/00_webcam.ipynb
Based on my previous experience, port forwarding may not work out side of corporate network. Please double check to make sure.

In which platform does it happen?

Ubuntu DSVM NC6

How do we replicate the issue?

run command
ssh -L local_port:remote_address:remote_port @
out of corporate network

Expected behavior (i.e. solution)

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