CONFIG_NET_IPGRE: IP: GRE tunnels over IP

General informations

The Linux kernel configuration item CONFIG_NET_IPGRE:

• prompt: IP: GRE tunnels over IP
• type: tristate
• depends on: ( CONFIG_IPV6 || CONFIG_IPV6 = CONFIG_n ) && CONFIG_NET_IPGRE_DEMUX
• defined in net/ipv4/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• modules built: ip_gre

Help text

Tunneling means encapsulating data of one protocol type within another protocol and sending it over a channel that understands the encapsulating protocol. This particular tunneling driver implements GRE (Generic Routing Encapsulation) and at this time allows encapsulating of IPv4 or IPv6 over existing IPv4 infrastructure. This driver is useful if the other endpoint is a Cisco router: Cisco likes GRE much better than the other Linux tunneling driver ("IP tunneling" above). In addition, GRE allows multicast redistribution through the tunnel.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module ip_gre CONFIG_NET_IPGRE : net/ipv4/Kconfig : "IP: GRE tunnels over IP" # in 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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