10-31-2018 07:41 AM - edited 10-31-2018 07:42 AM
Hi Please see the attached diagram where there are two vrf networks, blue and red. all blue and red routers are configured without vrf to connect to ISP configured with vrf red and blue. The question is how many ways can we have the blue and red communicate? One is to add another router between the Blue and Red. Do you agree? Thank you
ISP(config)#interface FastEthernet 0/0
ISP(config-if)#ip vrf forwarding Blue
ISP(config-if)#ip address 192.168.1.254 255.255.255.0
ISP(config)#interface FastEthernet 1/0
ISP(config-if)#ip vrf forwarding Red
ISP(config-if)#ip address 192.168.2.254 255.255.255.0
ISP(config)#interface FastEthernet 2/0
ISP(config-if)#ip vrf forwarding Blue
ISP(config-if)#ip address 192.168.3.254 255.255.255.0
ISP(config)#interface FastEthernet 3/0
ISP(config-if)#ip vrf forwarding Red
ISP(config-if)#ip address 192.168.4.254 255.255.255.0
10-31-2018 08:57 AM
10-31-2018 11:23 AM
@a.alekseev wrote:
3. make physycal loop (connect back to back two interfaces)
Can we add a cable or a switch as physical loop between router Red2 and Blue2? Thank you
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