Noticed a weird issue of port-channel breakdown on VLT dell switches while using "spanning-tree rstp edge-port" command on port-channel edgeports. Without edgeport command on physical ports topology change events keep going down the entire RSTP domain creating connection stability issues.
The main issue is that with that command ports begin to work independently and not within port-channel on switches. Tried various combinations of "spanning-tree rstp edge-port" command on physical ports as well as port-channel itself, however, the issue remained. Port-channels work fine without the command.
Has anyone ever encountered a similar situation where port-channels can't establish themselves normally on switch side while using something similar to "spanning-tree rstp edge-port" command?
Topology:
Switch model: S4048-ON Dell EMC Application Software Version: 9.14(2.8) (same on both switches) interface TenGigabitEthernet 1/1 no ip address spanning-tree rstp edge-port ! port-channel-protocol LACP port-channel 1 mode active no shutdown interface Port-channel 1 no ip address portmode hybrid switchport vlt-peer-lag port-channel 1 no shutdown #show interfaces status Port Description Status Speed Duplex Vlan Te 1/1 Up 10000 Mbit Full #show interfaces port-channel brief Codes: L - LACP Port-channel O - OpenFlow Controller Port-channel A - Auto Port-channel I - Internally Lagged LAG Mode Status Uptime Ports L 1 L2 down 00:00:00 
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