Specifications

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2.10.19 Tunnel Services Physical Interface Card
The Tunnel Services Physical Interface Card (PIC) for M-series Internet
backbone routers enables you to leverage your existing IP infrastructure to
carry multiple traffic types. With the Tunnel Services PIC, the routers can
function as the ingress or egress point of an IP-IP unicast tunnel, and generic
routing encapsulation (GRE) tunnel, or a Protocol Independent Multicast-
Sparse Mode (PIM-SM) tunnel.
Features
§ For M5™, M10™, M20™, and M40™ routers, aggregate OC-12/STM-4
tunneling bandwidth
§ For M160™ router, aggregate OC-48/STM-16 tunneling bandwidth
§ Provides a loop-back function that encapsulates and de-encapsulates
packets within the M-series chassis
For more information, refer to the following datasheet :
Tunnel Services PIC for M-series Routers