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allow tun/tap specification without IP address

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This commit is contained in:
Gerhard Rieger 2011-11-26 14:25:27 +01:00
parent 02f3b29ab6
commit 9e0c4e1df5
3 changed files with 36 additions and 32 deletions

13
doc/socat.yo
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@ -957,12 +957,13 @@ label(ADDRESS_TCP6_LISTEN)dit(bf(tt(TCP6-LISTEN:<port>)))
Additional useful option:
link(ipv6only)(OPTION_IPV6_V6ONLY)nl()
Option groups: link(FD)(GROUP_FD),link(SOCKET)(GROUP_SOCKET),link(LISTEN)(GROUP_LISTEN),link(CHILD)(GROUP_CHILD),link(RANGE)(GROUP_RANGE),link(IP6)(GROUP_IP6),link(TCP)(GROUP_TCP),link(RETRY)(GROUP_RETRY) nl()
label(ADDRESS_TUN)dit(bf(tt(TUN:<if-addr>/<bits>)))
Creates a Linux TUN/TAP device and assignes to it the address and netmask
defined by the parameters. The resulting network interface is ready for use
by other processes; socat serves its "wire side". This address requires read
and write access to the tunnel cloning device, usually code(/dev/net/tun).
nl()
label(ADDRESS_TUN)dit(bf(tt(TUN[:<if-addr>/<bits>])))
Creates a Linux TUN/TAP device and optionally assignes it the address and
netmask given by the parameters. The resulting network interface is almost
ready for use by other processes; socat serves its "wire side". This address
requires read and write access to the tunnel cloning device, usually
code(/dev/net/tun), as well as permission to set some tt(ioctl()s).
bf(Option iff-up is required to immediately activate the interface!)nl()
Option groups: link(FD)(GROUP_FD),link(NAMED)(GROUP_NAMED),link(OPEN)(GROUP_OPEN),link(TUN)(GROUP_TUN) nl()
Useful options:
link(iff-up)(OPTION_IFF_UP),