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Diffstat (limited to 'Documentation/networking/bareudp.rst')
| -rw-r--r-- | Documentation/networking/bareudp.rst | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/Documentation/networking/bareudp.rst b/Documentation/networking/bareudp.rst index 465a8b251bfe..b9d04ee6dac1 100644 --- a/Documentation/networking/bareudp.rst +++ b/Documentation/networking/bareudp.rst @@ -8,9 +8,8 @@ There are various L3 encapsulation standards using UDP being discussed to leverage the UDP based load balancing capability of different networks. MPLSoUDP (__ https://tools.ietf.org/html/rfc7510) is one among them. -The Bareudp tunnel module provides a generic L3 encapsulation tunnelling -support for tunnelling different L3 protocols like MPLS, IP, NSH etc. inside -a UDP tunnel. +The Bareudp tunnel module provides a generic L3 encapsulation support for +tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a UDP tunnel. Special Handling ---------------- @@ -26,7 +25,7 @@ Usage 1) Device creation & deletion - a) ip link add dev bareudp0 type bareudp dstport 6635 ethertype 0x8847. + a) ip link add dev bareudp0 type bareudp dstport 6635 ethertype mpls_uc This creates a bareudp tunnel device which tunnels L3 traffic with ethertype 0x8847 (MPLS traffic). The destination port of the UDP header will be set to @@ -34,14 +33,21 @@ Usage b) ip link delete bareudp0 -2) Device creation with multiple proto mode enabled +2) Device creation with multiproto mode enabled -There are two ways to create a bareudp device for MPLS & IP with multiproto mode -enabled. +The multiproto mode allows bareudp tunnels to handle several protocols of the +same family. It is currently only available for IP and MPLS. This mode has to +be enabled explicitly with the "multiproto" flag. - a) ip link add dev bareudp0 type bareudp dstport 6635 ethertype 0x8847 multiproto + a) ip link add dev bareudp0 type bareudp dstport 6635 ethertype ipv4 multiproto - b) ip link add dev bareudp0 type bareudp dstport 6635 ethertype mpls + For an IPv4 tunnel the multiproto mode allows the tunnel to also handle + IPv6. + + b) ip link add dev bareudp0 type bareudp dstport 6635 ethertype mpls_uc multiproto + + For MPLS, the multiproto mode allows the tunnel to handle both unicast + and multicast MPLS packets. 3) Device Usage |