Hi guys,
I'm currently stucked with GRE, with the following topology:
Here's the config of R1 and R3 (R2 has only been configured with the proper IPs):
R1
!
ip address 192.168.1.1 255.255.255.252
tunnel source Loopback0
tunnel destination 172.16.11...
Hi everyone!
I have a problem regarding one of our customers.
As you can see, there's two APs, where AP1 functions as a DHCP server assigning IPs to laptops using wireless. Non-wireless client PCs, however, lease an IP from the rogue DHCP server (cus...
Hello guys,
I just configured an IPsec Site-to-Site VPN on the following topology in GNS3:
All configs are OK on both routers and test pings show that the VPN tunnel is working correctly.
My question would be, why do the routers use the self-confi...
Hi everyone,I just have a question: why doesn't dynamic NAT in my PT-lab operate at all?The design includes 2 routers connected to each other via subnet of 211.90.33.0 /25 (router interface IPs: 211.90.33.41 and 42, interfaces Fa1/0 on Router1 and Fa...
Hi again,
so now I finally understand it.
The point is to always make remote site routers be able to route to the other remote site router's physical IP in some way, in order for the GRE tunnel to be established. This route can either be a static spe...
"You will then need to tell the spoke how to reach the gre subnet"
I think you don't need to specify such a static because if the spokes can reach each other with a static default through the ISP, they will discover the tunnel subnet as directly conn...
What interesting is that when I configured the default route + static to 192.168.1.0 through the tunnel, it didn't work.
After I configured one more static to reach the respective loopback with next-hop of 192.168.1.1 and .2, it worked without proble...
I configured it but it doesn't work.
By issuing a traceroute from 172.16.10.1 to 172.16.11.1 you can see that the traffic flows through the physical links as without a GRE tunnel in place.
By tracing 192.168.1.1 and .2, you can see that the traffic u...
Culd you please be so kind to write a sample config for the case when the tunnel source and destination are the loopbacks?
Then I think I would fully understand this thing.
Thank you.
