GRE

Feature(s) and their supported products/applications:

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Generic Routing Encapsulation tunnels

Feature hierarchy	Feature Name
GRE /	BGP classful transport support for dynamic tunnels and colored transport-rib for next-hop-based tunnels
GRE /	Clear DF-Bit (Don't Fragment Bit)
GRE /	Copy TOS bits to the outer IP header on GRE tunnel traffic sent by the Routing Engine
GRE /	Copy ToS bits from incoming IP header to outer GRE IP header
GRE /	DVMRP and GRE support, access side and server side
GRE /	Dynamic GRE tunnel creation
GRE /	Dynamic GRE tunnel creation based on IPv6 and 6VPE routes
GRE /	Ethernet over generic routing encapsulation (GRE) and GRE key support for label blocks
GRE /	Filter action: Encapsulate GRE in output filter
GRE /	Filter-based GRE de-encapsulation
GRE /	Firewall filter based de-encapsulation (IP-IP)
GRE /	Fragmentation support for GRE-encapsulated packets (Multiservices DPC)
GRE /	GRE Fragmentation and Reassembly
GRE /	GRE acceleration enhancement
GRE /	GRE key
GRE /	GRE tunnels over Pseudowire headend termination interfaces
GRE /	Generic routing encapsulation (GRE)
GRE /	IP-over-IP tunnel stitching
GRE /	IPv4 / IPv6 over IPv4 GRE Encapsulation - Tunnel Destination over IP
GRE /	IPv4 / IPv6 over IPv4 GRE Encapsulation - Tunnel Destination over LDP
GRE /	IPv4 / IPv6 over IPv4 GRE Encapsulation - Tunnel Destination over LDP over RSVP-TE
GRE /	IPv4 / IPv6 over IPv4 GRE Encapsulation - Tunnel Destination over RSVP-TE
GRE /	IPv4 / IPv6 over IPv6 GRE De-encapsulation
GRE /	IPv4 / IPv6 over IPv6 GRE Encapsulation - Tunnel Destination over IP
GRE /	IPv4 / IPv6 over IPv6 GRE Encapsulation - Tunnel Destination over LDP
GRE /	IPv4 / IPv6 over IPv6 GRE Encapsulation - Tunnel Destination over LDP over RSVP-TE
GRE /	IPv4 / IPv6 over IPv6 GRE Encapsulation - Tunnel Destination over RSVP-TE
GRE /	IPv4 over IPv6 tunnel for gateway functionality
GRE /	IPv4 over IPv6 tunnel scaling per chassis by increasing number of line cards
GRE /	IPv4 over generic routing encapsulation (GRE) tunnels-de-encapsulation support
GRE /	IPv4 over generic routing encapsulation (GRE) tunnels-encapsulation support
GRE /	ISO over IPv4 GRE De-encapsulation
GRE /	ISO over IPv6 GRE Encapsulation
GRE /	Internally generated GRE interface (gr-0/0/0)
GRE /	Keepalive support for GRE interfaces
GRE /	Layer 2 services over GRE tunnel interfaces
GRE /	Layer 2 services over GRE tunnel interfaces with IPv6 transport
GRE /	Layer 2.5 injection of control traffic to ensure queuing on GRE tunnel with CoS settings intact
GRE /	Loopback based IPv4 / IPv6 over IPv4 GRE Encapsulation
GRE /	Loopback based IPv4 / IPv6 over IPv6 GRE Encapsulation
GRE /	Loopback based MPLS over IPv4 GRE Encapsulation
GRE /	Loopback based MPLS over IPv6 GRE Encapsulation
GRE /	MPLS over GRE - 6VPE
GRE /	MPLS over GRE - BGP-LU
GRE /	MPLS over GRE - ECMP
GRE /	MPLS over GRE - FTI
GRE /	MPLS over GRE - L2Circuit
GRE /	MPLS over GRE - L3VPN
GRE /	MPLS over GRE - LDP Signaling
GRE /	MPLS over GRE - MPLS Ping
GRE /	MPLS over GRE - MPLS Traceroute
GRE /	MPLS over GRE - Node Protection
GRE /	MPLS over GRE - RSVP Bandwidth
GRE /	MPLS over GRE - RSVP LSP
GRE /	MPLS over GRE - Static LSP
GRE /	MPLS over IPv4 GRE De-encapsulation
GRE /	MPLS over IPv4 GRE Encapsulation for destination over IP
GRE /	MPLS over IPv6 GRE De-encapsulation
GRE /	MPLS over IPv6 GRE Encapsulation for IP
GRE /	Multicast over GRE Tunnels
GRE /	Output filter action with non-default or specified routing instance
GRE /	Setting the DSCP code point for host-originating IS-IS traffic sent over a GRE tunnel
GRE /	Soft-GRE
GRE /	Static Type of Service (TOS)/Traffic Class on GRE tunnels
GRE /	Translation and GRE tunneling in data center environment
GRE /	Unidirectional GRE tunnels across IPv4 without tunnel interfaces
GRE /	no-decrement-ttl tunneling attribute

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