The GUI indicates Dedicated to FortiSwitch in the IP/Netmask field. The qtn vlan is required to be trunked on all ports for automation, you dont need to remove this. Configure a Dial-Peer to Telnyx as follows: In global configuration mode. Yes, true, control protocols such as CDP, DTP, VTP, STP, etc are passed over the native 1 always - is what Percy'c quote from Switch book is missing. I overlooked that the Cisco switch was set for pvst and not rapid-pvst. To activate Trunk and examine its logic, open Packet Tracer and create a network topology as shown in the following illustration. Using the BE4000 secondary interface (GE 0/0/1) connected to a dedicated internet connection for your VoIP service. Here is the trunking information after making the changes. Yes, the show interface trunk command will just give info if there is at least one interface with trunking establish, even if you configued some of the interfaces as trunk and the trunking hasn't got established you wont get nothing. X, IP Base, IP Services, LAN Base, LAN Light. You say the uplink (trunk) on the 2960x is port 48. IPHost Network monitor allows you to monitor vlanTrunkPortNativeVlan on Cisco device via. By first principle, portfast or port type edge should not be enabled on ports that connect to switches, lest you risk loops if that other switch connects to some other upstream switch. On the FortiSwitch side, I have most of the setting at default. Go to Switch > Switch > Port and select Create Trunk. For trunk ports not supporting the sending and receiving of native frames, this value should be set to zero. HereвЂ™s the output of show interface trunk for SW3. switchport can be enabled and configured as trunks without much trouble. SW3#show interface trunk Port Mode Encapsulation Status Native vlan Fa0/19 auto n-802. edit 'Gate_Trunk' set members 'port10' set description 'Gate Trunk' next. дёЌзџҐйЃ“ cisco и¦ЃжЂЋйєјеЃљ? и©¦йЃЋдё‹йќўжЊ‡д»¤пјЊдёЂжЁЈжІ’иѕ¦жі•е°‡ vlan 2 д»Ґ untag зљ„ж–№ејЏеењЁ switchport access vlan 2 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1,3-4094 switchport mode trunk. Fortiswitch trunk to cisco Basically the trunk port is a member of every vlan, and therefore will pass traffic from every vlan its a member of.

Cisco 3750 command reference