Mine was just the MTU issue, was able to resolve it by lowering the number. If this blog can be helpful for anyone to troubleshoot and resolve the issue:https://amithkumarg.medium.com/resolved-t-mobile-home-internet-vpn-issue-2f5ca594c23e Is this a confirmed fix for the GlobalConnect issue? It connects just fine but the sites I need to access do not load. Funny, sometimes I don’t feel like running an Ethernet cord through my home, and sometimes it has worked on Wi-Fi (work sites) and other times it refuses to load - and as soon as I plug in this stupid cord - it works just fine… This is quite cumbersome, it’s 2021 like “VPN” Ethernet just WORK jeez all these “so called security” protocols - data bases and data still getting hacked and sold - I don’t mind the “VPN” but we are in a wireless world - I almost feel like it isn’t a T-Mobile “issue” as much as its a silly “security” or some odd setting - also if the issue is with the MTU being the lowest on the T-Mo Nokia router t
Figured it out. We apparently use advanced routing, so my gpd0 is actually utun0 and we have 2 vpn’s. Each vpn requires a different mtu setting, but having found the correct numbers 1330 and 1310 it now works. Yay! I am glad you figured it out. utun (tun short tunneling) is interface created by Mac following any VPN installation. I guess limiting that too, should work, if you don’t see gpd0 specifically.I was wondering since you have the latest version of GP app >= 5.2.4, you should be able to update the MTU through the app settings. Check here GP documentation:https://docs.paloaltonetworks.com/globalprotect/5-2/globalprotect-app-new-features/new-features-released-in-gp-app/configurable-maximum-transmission-unit-for-globalprotect-connections
What version firmware are you on? also, what did you end up setting your MTU to for GPVpn? My configuration is this:Host: Apple Mac OS X 10.15.7VPN:Provider: GlobalProtect v5.0.9–15 Palo Alto NetworksTunnel Mode: IPSECT-Mobile Home Internet Gateway:Model: 5G21–12-A GreyHardware Version: 3TG00739AABBSoftware Version: 1.2003.03.0178And the MTU I set to 1350, using this command “sudo ifconfig gpd0 mtu 1350”
Mine was just the MTU issue, was able to resolve it by lowering the number. If this blog can be helpful for anyone to troubleshoot and resolve the issue:https://amithkumarg.medium.com/resolved-t-mobile-home-internet-vpn-issue-2f5ca594c23e
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