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ppp multilink and floating static route for backup

I have a router on which i configured PPP multilink on its 2 serials: i would like to configure a backup with some floating routes.

The problem is that the gateway for the current routes is the address of the loopback (which is also the adresse on the virtual-template interface);so when the serials are down , as the loopback is still UP, the current routes are still available and the alternate routes are not used. So i would like to know if and how i can use floating static routes ( for instance could i use the virtual-access interface as the gateway for the current routes?)

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Re: ppp multilink and floating static route for backup

You can't point a static route to a virtual-access interface. You should be able to point the static route to the virtual-template interface rather than the loopback (I assume you are using static routes all around, since dynamic routes would be lost once the serial links went down). With a static route pointing to the virtual-template interface, if the MPPP bundle goes down the route should be removed from the table. If this doesn't work, then you may have to consider either running a dynamic protocol over the serial links, or not using MPPP to bundle the serial interfaces but rather using CEF to load balance the packets.

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