AnsweredHot!Aggregate interface with VLANs

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rbrahmi
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2020/04/10 06:46:30 (permalink)
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Aggregate interface with VLANs

Dear community,
 
I need your help,
 
I created an aggregate interface (Port1 and port2) with multiple VLANs for internal network, there is no ip address on aggregate interface 
when connected those ports (Port1 and port2) to a cisco switch (Interface g1/0/1 and g1/0/2) the link doesn't come up, so the fortiGate can't communicate with the internal network (Cisco switch)
 
On Cisco switch :
 - interface g1/0/1 :
switchport trunk native vlan 99
switchport mode trunk
end
 
- interface g1/0/2 :
Switchport mode trunk
end
 
Interface vlan 99 : 192.168.254.251/29
ip route 0.0.0.0 0.0.0.0 192.168.254.254
 
On fortigate (Aggregate interface) i have multiple VLANs, vlan 1, vlan 100, vlan 110, vlan99 ...etc,
 
- Sub-interface of VLAN 99 : 192.168.254.254/29
 
Any help please,
Thanks
#1
Toshi Esumi
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Re: Aggregate interface with VLANs 2020/04/10 08:59:17 (permalink) ☼ Best Answerby rbrahmi 2020/04/10 12:29:45
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This is Fortinet/Fortigate forum. But to connect an aggregated link to Cisco switch you need to configure a port-channel on the Cisco side.
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rbrahmi
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Re: Aggregate interface with VLANs 2020/04/10 12:31:23 (permalink)
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Thanks for your reply 
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