10-22-2020 02:21 PM
This is probably a stupid question, but if I just create another Layer-3 sub-interface off of an existing physically connected interface, and TAG that sub interface, that is all I need to do to bring a tagged trunk in through an existing physical connection right?
Excluding, zones, virtual routers, policies, and all that other stuff, but the connectivity itself.
Say I have ethernet 1/1, which is Layer-3 10.0.0.1/30 and it has no tag or is UNTAGGED (i.e. no 802.1q) and let's say it is in the Inside Zone.
I could re-use that same physical connection ethernet 1/1 right and assign it say...
ethernet 1/1.123 TAG 123 Layer-3 192.168.0.1/30 My_Other_Zone
Doing that will not adversely impact my physical untagged connectivity right?
10-22-2020 02:56 PM
Hello,
No stupid questions here. You are correct where it should not disrupt the untagged traffic. Check out these articles.
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClFNCA0
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClheCAC
Cheers!
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