Tunnel interface 380 tun[0-9]+ tunnel interface must be named tunN tunN Tunnel interface name #include #include #include #include #include 1476 #include #include #include #include #include 6rd network prefix ipv6 IPv6 address and prefix length 6rd relay prefix ipv4net IPv4 prefix of interface for 6rd Encapsulation of this tunnel interface erspan gre gretap ip6erspan ip6gre ip6gretap ip6ip6 ipip ipip6 sit erspan Encapsulated Remote Switched Port Analyzer gre Generic Routing Encapsulation (network layer) gretap Generic Routing Encapsulation (datalink layer) ip6erspan Encapsulated Remote Switched Port Analyzer over IPv6 ip6gre GRE over IPv6 (network layer) ip6gretap GRE over IPv6 (datalink layer) ip6ip6 IPv6 in IPv6 encapsulation ipip IPv4 in IPv4 encapsulation ipip6 IPv4 in IP6 encapsulation sit Simple Internet Transition (IPv6 in IPv4) (erspan|gre|gretap|ip6erspan|ip6gre|ip6gretap|ip6ip6|ipip|ipip6|sit) Invalid encapsulation, must be one of: erspan, gre, gretap, ip6erspan, ip6gre, ip6gretap, ipip, sit, ipip6 or ip6ip6 #include Multicast operation over tunnel enable disable enable Enable multicast disable Disable multicast (default) (enable|disable) Must be 'disable' or 'enable' Tunnel parameters ERSPAN tunnel parameters Mirrored traffic direction ingress egress ingress Mirror ingress traffic egress Mirror egress traffic (ingress|egress) Unique identifier of an ERSPAN engine within a system u32:0-1048575 Unique identifier of an ERSPAN engine ERSPAN version 1 index field u32:0-63 Platform-depedent field for specifying port number and direction Protocol version 1 2 1 ERSPAN Type II 2 ERSPAN Type III 1 IPv4-specific tunnel parameters Disable path MTU discovery Ignore the DF (don't fragment) bit #include #include #include 64 IPv6-specific tunnel parameters Set fixed encapsulation limit none u32:0-255 Encapsulation limit none Disable encapsulation limit (none) Tunnel encaplimit must be 0-255 or none 4 #include Hoplimit u32:0-255 Hop limit hop limit must be between 0-255 64 Traffic class (Tclass) 0x0-0x0fffff Traffic class, 'inherit' or hex value (0x){0,1}(0?[0-9A-Fa-f]{1,2}) Must be 'inherit' or a number inherit #include #include