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MVP
Posts: 2,954
Registered: ‎10-25-2011

Tunnel GRE hub and spoke

It is possible to build a tunnel gre in hub and spoke?

For example

We would like to have a vlan example vlan 999 to pass between all controllers though a hub

 

Let say i got 3 controllers

I got the vlan 999 that will pass betweent controllers

 

Copntroler 1 = 192.168.99.1 Spoke1

Controler 2 = 192.168.99.2  HUB

Controller 3 = 192.168.99.3  SPoke2

 

Now i build my GRE Tunnel from Hub 1 to spoke 1( The tunnel works fine i can pass traffic between them

 

Now i build my GRE tunnel  from hub to spoke 2 ( ( The tunnel works fine i can pass traffic between them)

 

 

Now here is the problem

If i try to ping from spoke 1 to spoke 2 and the packet has to pass trhough the hub i dont reach...

Do i need to add anything to make this work? or its impossible?

 

The config is something like this :

 

HUB to spoke 1

interface tunnel 60
        tunnel source 10.10.10.5
        tunnel mode gre 0
        tunnel destination 10.10.20.5
tunnel vlan 999
trusted
no inter-tunnel-flooding

HUB To SPOKE 2

 

interface tunnel 61
        tunnel source 10.10.10.5
        tunnel mode gre 0
        tunnel destination 10.10.30.5
tunnel vlan 5
trusted
no inter-tunnel-flooding

Should i just enable the inter tunnel flooding?  i saw it in a config  looking for a example of configs but it donest not say too much of what is it on the manual anyways

 

Cheers

Carlos 

----------------------------------------------------
Product Manager - Aruba Networks
Alternetworks Corp
MVP
Posts: 2,954
Registered: ‎10-25-2011

Re: Tunnel GRE hub and spoke

It was the non inter tunnel flooding

I just needed to enable it.

 

Cheers

Carlos

----------------------------------------------------
Product Manager - Aruba Networks
Alternetworks Corp
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