On 03/07/2015 01:45, Ben Dale wrote:
Always use loopbacks - if the link goes down (or the preceding node),
the destination of the LSP goes with it - Junos will not maintain
prefixes for downed interfaces. You mention this being a ring - if you
target the LSP to a loopback, your IGP will provide an alternative
path after a failure.
Sometimes it is a feature - more than once I have come across a request
for "if it fails, it fails" type of service meaning cheap nonresilient
connection.
And LSPs destined to link IPs and coupled with strict EROs fit such
requirement nicely, but I digress...
HTH
Thanks
Alex
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