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i have had AIX 7.2
:/# /usr/IBMAHS/bin/apachectl -v
Server version: Apache/2.4.12 (Unix)
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IP-TUNNEL(8) Linux IP-TUNNEL(8)
NAME
ip-tunnel - tunnel configuration
SYNOPSIS
ip [ OPTIONS ] tunnel { COMMAND | help }
ip tunnel { add | change | del | show | prl } [ NAME ]
[ mode MODE ] [ remote ADDR ] [ local ADDR ]
[ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ] ]
[ encaplimit ELIM ] [ ttl TTL ]
[ tos TOS ] [ flowlabel FLOWLABEL ]
[ prl-default ADDR ] [ prl-nodefault ADDR ] [ prl-delete ADDR ]
[ [no]pmtudisc ] [ dev PHYS_DEV ] [ dscp inherit ]
MODE := { ipip | gre | sit | isatap | ip6ip6 | ipip6 | any }
ADDR := { IP_ADDRESS | any }
TOS := { NUMBER | inherit }
ELIM := { none | 0..255 }
TTL := { 1..255 | inherit }
KEY := { DOTTED_QUAD | NUMBER }
TIME := NUMBER[s|ms]
DESCRIPTION
tunnel objects are tunnels, encapsulating packets in IP packets and then sending them over the IP infrastructure. The encapulating (or
outer) address family is specified by the -f option. The default is IPv4.
ip tunnel add - add a new tunnel
ip tunnel change - change an existing tunnel
ip tunnel delete - destroy a tunnel
name NAME (default)
select the tunnel device name.
mode MODE
set the tunnel mode. Available modes depend on the encapsulating address family.
Modes for IPv4 encapsulation available: ipip, sit, isatap and gre.
Modes for IPv6 encapsulation available: ip6ip6, ipip6 and any.
remote ADDRESS
set the remote endpoint of the tunnel.
local ADDRESS
set the fixed local address for tunneled packets. It must be an address on another interface of this host.
ttl N set a fixed TTL N on tunneled packets. N is a number in the range 1--255. 0 is a special value meaning that packets inherit the TTL
value. The default value for IPv4 tunnels is: inherit. The default value for IPv6 tunnels is: 64.
tos T
dsfield T
tclass T
set a fixed TOS (or traffic class in IPv6) T on tunneled packets. The default value is: inherit.
dev NAME
bind the tunnel to the device NAME so that tunneled packets will only be routed via this device and will not be able to escape to
another device when the route to endpoint changes.
nopmtudisc
disable Path MTU Discovery on this tunnel. It is enabled by default. Note that a fixed ttl is incompatible with this option: tun-
nelling with a fixed ttl always makes pmtu discovery.
key K
ikey K
okey K ( only GRE tunnels ) use keyed GRE with key K. K is either a number or an IP address-like dotted quad. The key parameter sets the
key to use in both directions. The ikey and okey parameters set different keys for input and output.
csum, icsum, ocsum
( only GRE tunnels ) generate/require checksums for tunneled packets. The ocsum flag calculates checksums for outgoing packets.
The icsum flag requires that all input packets have the correct checksum. The csum flag is equivalent to the combination icsum
ocsum.
seq, iseq, oseq
( only GRE tunnels ) serialize packets. The oseq flag enables sequencing of outgoing packets. The iseq flag requires that all
input packets are serialized. The seq flag is equivalent to the combination iseq oseq. It isn't work. Don't use it.
dscp inherit
( only IPv6 tunnels ) Inherit DS field between inner and outer header.
encaplim ELIM
( only IPv6 tunnels ) set a fixed encapsulation limit. Default is 4.
flowlabel FLOWLABEL
( only IPv6 tunnels ) set a fixed flowlabel.
ip tunnel prl - potential router list (ISATAP only)
dev NAME
mandatory device name.
prl-default ADDR
prl-nodefault ADDR
prl-delete ADDR
Add or delete ADDR as a potential router or default router.
ip tunnel show - list tunnels
This command has no arguments.
SEE ALSO
ip(8)
AUTHOR
Original Manpage by Michail Litvak <mci@owl.openwall.com>
iproute2 20 Dec 2011 IP-TUNNEL(8)