You wont be able to bundle tunnel interface and build a single multilink interface as you do with normal serial interfaces.
Do have multilinks created and create routes accordingly to have normal load sharing.
If you want to avoid over utilizing a single particular link then you can try configuring backup interface and backup load commands under the primary interface which will start shedding the load on the link mentioned as backup to it once the configured amount of bandwidth is exceeded on the main link..
Use single tunnel interface with loopback interface as tunnel end-points, ensure load balancing for tunnel end-points, run routing over tunnel interface. Load balancing will be achieved by underlying tunnel encapsulation.
1)It is not possible to use PPP multilink with Tunnel interfacs casue they do not have the mechanism to encap the packet with PPP.
2)As far as the Load Balancing is concerned you can achieve the same without using the Multilink
I am assuming that you have CEF enabled on the router.
ip address x.x.x.x x.x.x.x
tunnel source LoopbackX
tunnel destination 220.127.116.11
ip route 18.104.22.168 255.255.255.255 serial0/0 192.168.10.1
ip route 22.214.171.124 255.255.255.255 serial0/1 192.168.20.1
once you define 2 static route with equal cost (AD and Metric) for tunnel destination the underlying forwarding mechanism(CEF) will build the forwading entry in FIB table and starts load-balance the traffic for tunnel destination betweeen the two physical Links.
3)Normally Cisco router does the load balancing between equal cost path on per destination basis. so it depends on the nubmer of the follow how your physical links are going to utilized, but if you want to distribute the traffic equally between both the physical links set the load balancing method on per-packet basis
to enbale the per-packet load balancing on physical us the following command:-
ip load-sharing per-packet
ip load-sharing per-packet
4)By defualt IBGP will install only the best path in the routing table even if he has the multiple path to the destination, in case if you want to load balanace the traffic using IBGP you can IBGP Multipath Features like this:-
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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