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Playlist "DENOG 10"

Probing your network - and only your network - with MPLS and GRE packets

Oliver 'takt' Herms

Blackbox network testing with GRE and MPLS.

Modern switches and routers allow to decapsulate GRE and switch MPLS packets in hardware. I will show how EXARING AG successfully blackbox tests their network including all switches and any link, including peering and transit links, using stacked IP/GRE/MPLS packets.