Lines Matching defs:address
113 \item \verb|address| --- protocol (IP or IPv6) address on a device
117 \item \verb|maddress| --- multicast address
123 abbreviated form, f.e.\ \verb|address| is abbreviated as \verb|addr|
164 IP address {\em et al\/}. In this case \verb|ip| prints an error message
281 \item \verb|address LLADDRESS|
283 --- change the station address of the interface.
287 --- change the link layer broadcast address or the peer address when
293 broadcast address will break networking.
314 \item \verb|ip link set dummy address 00:00:00:00:00:01|
316 --- change the station address of the interface \verb|dummy|.
434 involved. As a rule, it indicates that the device needs no address
465 of the addresses and is logically part of the address.
466 The default format of the station address and the broadcast address
467 (or the peer address for pointopoint links) is a
469 types may have their natural address format, f.e.\ addresses
474 NBMA links have no well-defined broadcast or peer address,
476 about the address of broadcast relay or about the address of the ARP server.
549 \section{{\tt ip address} --- protocol address management}
551 \paragraph{Abbreviations:} \verb|address|, \verb|addr|, \verb|a|.
553 \paragraph{Object:} The \verb|address| is a protocol (IP or IPv6) address attached
554 to a network device. Each device must have at least one address
567 \subsection{{\tt ip address add} --- add a new protocol address}
577 \noindent--- the name of the device to add the address to.
581 --- the address of the interface. The format of the address depends
589 --- the address of the remote endpoint for pointopoint interfaces.
591 encoding the network prefix length. If a peer address is specified,
592 the local address {\em cannot\/} have a prefix length. The network prefix is associated
593 with the peer rather than with the local address.
598 --- the broadcast address on the interface.
601 instead of the broadcast address. In this case, the broadcast address
607 address unless explicitly requested.
613 --- Each address may be tagged with a label string.
621 --- the scope of the area where this address is valid.
626 \item \verb|global| --- the address is globally valid.
627 \item \verb|site| --- (IPv6 only) the address is site local,
629 \item \verb|link| --- the address is link local, i.e.\
631 \item \verb|host| --- the address is valid only inside this host.
635 contains more details on address scopes.
643 --- add the usual loopback address to the loopback device.
647 --- add the address 10.0.0.1 with prefix length 24 (i.e.\ netmask
653 \subsection{{\tt ip address delete} --- delete a protocol address}
659 If no arguments are given, the first address is deleted.
665 --- deletes the loopback address from the loopback device.
680 \subsection{{\tt ip address show} --- display protocol addresses}
709 address configuration or only list permanent (not dynamic) addresses.
714 address detection.
746 additional address attributes: scope value (see Sec.\ref{IP-ADDR-ADD},
747 p.\pageref{IP-ADDR-ADD} above), flags and the address label.
755 --- the address is not used when selecting the default source address
757 An IP address becomes secondary if another address with the same
758 prefix bits already exists. The first address is primary.
765 --- the address was created due to stateless autoconfiguration~\cite{RFC-ADDRCONF}.
767 the address is still valid. After \verb|preferred_lft| expires the address is
768 moved to the deprecated state. After \verb|valid_lft| expires the address
773 --- the address is deprecated, i.e.\ it is still valid, but cannot
778 --- the address is not used because duplicate address detection~\cite{RFC-ADDRCONF}
784 \subsection{{\tt ip address flush} --- flush protocol addresses}
801 of rounds made to flush the address list. If this option is given
822 acquired by the host from stateless address autoconfiguration
865 --- the protocol address of the neighbour. It is either an IPv4 or IPv6 address.
874 --- the link layer address of the neighbour. \verb|LLADDRESS| can also be
891 it was valid and the address is not changed by this command.
936 Particularly, the kernel may try to resolve this address even
937 on a \verb|NOARP| interface or if the address is multicast or broadcast.
985 The first word of each line is the protocol address of the neighbour.
987 the neighbour entry identified by the pair (device, address).
989 \verb|lladdr| is the link layer address of the neighbour.
1013 The link layer address is valid in all states except for \verb|none|,
1079 (i.e.\ a pair containing a network address and the length of its mask) and,
1081 bits of its destination address are equal to the route prefix at least
1143 the preferred source address when communicating with this destination).
1183 as the source address of any packet.
1222 are listed above. \verb|PREFIX| is an IP or IPv6 address optionally followed
1256 --- the address of the nexthop router. Actually, the sense of this field depends
1259 it can be a local address of the interface.
1260 For NAT routes it is the first address of the block of translated IP destinations.
1264 --- the source address to prefer when sending to the destinations
1425 \item announce that the address 192.203.80.144 is not a real one, but
1447 Linux-2.0 had the option to delete a route selected only by prefix address,
1516 --- the same syntax as for \verb|to|, but it binds the source address range
1633 \item \verb|dst-nat| --- the destination address requires translation.
1635 \item \verb|src-nat| --- the source address requires translation.
1637 \item \verb|masq| --- the source address requires masquerading.
1756 --- the destination address.
1760 --- the source address.
1776 --- if no source address (option \verb|from|) was given, relookup
1777 the route with the source set to the preferred address received from the first lookup.
1893 based only on the destination address of packets (and in theory,
1898 on destination addresses, but also on other packet fields: source address,
1920 \item packet source address.
1921 \item packet destination address.
1933 of each rule is applied to \{source address, destination address, incoming
1987 address to translate/masquerade. Besides that, rules have some
2003 \item \verb|nat| --- the rule prescribes to translate the source address
2079 --- The base of the IP address block to translate (for source addresses).
2081 (selected by NAT routes) or in linux-2.2 a local host address (or even zero).
2083 but masquerades them to this address; this feature disappered in 2.4.
2102 \item Translate packet source address 193.233.7.83 into 192.203.80.144
2193 Then the multicast address list follows. Each line starts with the
2197 If a multicast address has more than one user, the number
2201 is the \verb|static| flag, which indicates that the address was joined
2206 \subsection{{\tt ip maddress add} --- add a multicast address\\
2207 {\tt ip maddress delete} --- delete a multicast address}
2212 a static link layer multicast address to listen on the interface.
2220 \item \verb|address LLADDRESS| (default)
2222 --- the link layer multicast address.
2226 --- the device to join/leave this multicast address.
2243 Neither \verb|ip| nor the kernel check for multicast address validity.
2244 Particularly, this means that you can try to load a unicast address
2245 instead of a multicast address. Most drivers will ignore such addresses,
2248 local link addresses and, if you loaded the address of another host
2311 where S is the source address and G is the multicast group. \verb|Iif| is
2373 --- set the fixed local address for tunneled packets.
2374 It must be an address on another interface of this host.
2405 either a number or an IP address-like dotted quad.
2502 It may contain \verb|link|, \verb|address| and \verb|route|.
2662 \section{Source address selection}
2666 address. Correct source address selection is a critical procedure,
2677 The application may select a source address explicitly with \verb|bind(2)|
2680 of the address and never tries to ``improve'' an incorrect user choice,
2685 of automatically reselecting the address on hosts with dynamic dial-out interfaces.
2692 address hint for this destination. The hint is set with the \verb|src| parameter
2701 \item IPv6 searches for the first valid, not deprecated address
2704 \item IP searches for the first valid address with a scope wider
2716 the algorithm fails and returns a zero source address.
2718 \item Otherwise, all interfaces are scanned to search for an address
2720 in the search list, so that if an address with global scope (not 127.0.0.1!)
2741 must join the solicited node multicast address to listen for the corresponding
2767 for address \verb|ADDRESS| on all devices, otherwise it will only serve
2774 parameters other than these (IP/IPv6 address and optional device).
2775 Particularly, the entry does not store any link layer address.
2776 It always advertises the station address of the interface
2777 on which it sends advertisements (i.e. it's own station address).
2783 of the IP address space into other ones. Linux-2.2 route NAT is supposed
2790 to be used to compress address space or to split load.
2796 using an address. For the same reason, it will not help to split
2811 To resume: if you need to compress address space or keep
2821 Some part of the address space is reserved for dummy addresses
2835 states that the single address 192.203.80.144 is a dummy NAT address.
2836 For all the world it looks like a host address inside our network.
2837 For neighbouring hosts and routers it looks like the local address
2839 this address as routed via it, {\em et al\/}. When the router
2841 this address with 193.233.7.83 which is the address of some real
2852 by our router, it should translate the source address 193.233.7.83
2858 This rule says that the source address 193.233.7.83
2860 It is important that the address after the \verb|nat| keyword
2861 is some NAT address, declared by {\tt ip route add nat}.
2862 If it is just a random address the router will not map to it.
2864 The exception is when the address is a local address of this
2866 kernel. In this case the router will masquerade the packets as this address.
2869 to order Linux to masquerade to this fixed address.
2934 \# \$1 --- Static IP address, optionally followed by prefix length.\\
2943 \# Parse IP address, splitting prefix length.
2968 \# If user gave loopback as device, we add the address as alias and exit.
2973 ip address add $ipaddr dev $dev
2991 \# IP still needs some static preconfigured address.
2995 echo "No address for $dev is configured, trying DHCP..." 1>&2
3015 \# OK, the address is unique, we may add it on the interface.\\
3017 \# {\bf Step 3} --- Configure the address on the interface.
3021 if ! ip address add $pfx brd + dev $dev; then
3075 \section{Example: {\protect\tt ifcfg} --- interface address management}
3079 namely, IP address management. It not only adds
3096 \# ---IP address, optionally followed by prefix length.\\
3097 \# ---Optional peer address for pointopoint interfaces.\\
3128 \# Arg: \$1 = dotquad address
3153 echo " add - add new address" 1>&2
3154 echo " del - delete address" 1>&2
3195 echo "$1 is bad IP address." 1>&2
3202 \# If peer address is present, prefix length is 32.\\
3209 echo "Peer address with non-trivial netmask." 1>&2
3225 \# If deletion was requested, delete the address and restart RDISC
3254 echo "Error: some host already uses address $ipaddr on $dev." 1>&2
3259 \# OK, the address is unique. We may add it to the interface.\\
3261 \# {\bf Step 2} --- Configure the address on the interface.
3264 if ! ip address add $pfx brd + dev $dev $label; then