iproute2 In-Depth Reference

Reference for the iproute2 networking utilities — the standard Linux network configuration toolkit. The primary focus is the ip command's argument structure, object types, subcommands, selectors, and value types.

Sub-Resources

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Keywords	Reference
ip global options, -family, -json, -oneline, -netns, -color, -brief, object list, command overview, help	references/overview.md
ip address, addr, IFADDR, PREFIX, CONFFLAG, FLAG-LIST, LIFETIME, SCOPE, scope, dev, label, broadcast, anycast, peer, mngtmpaddr, nodad, optimistic, noprefixroute, autojoin, home, permanent, dynamic, secondary, primary, tentative, deprecated, dadfailed, temporary, showdump, restore, save, flush, proto, ADDRPROTO	references/address.md
ip link, link add, link set, link show, link delete, TYPE, device type, bond, bridge, dummy, vlan, vxlan, gre, veth, macvlan, tun, tap, mtu, address, LLADDR, txqueuelen, master, nomaster, vrf, arp, multicast, promisc, xdp, vf, addrgenmode, altname, property, xstats, afstats, ETYPE, netns	references/link.md
ip route, route add, route del, route show, route flush, route get, ROUTE, NODE_SPEC, INFO_SPEC, NH, nexthop, nhid, via, dev, src, table, scope, proto, metric, encap, mpls, seg6, seg6local, ioam6, bpf, ip, xfrm, pref, onlink, ttl-propagate, mtu, rtt, window, cwnd, initcwnd, congctl, expires, SELECTOR, root, match, exact, fibmatch, save, restore, append, change, replace	references/route.md
ip rule, rule add, rule del, rule show, rule flush, rule save, rule restore, SELECTOR, not, from, to, tos, dsfield, fwmark, iif, oif, priority, preference, order, l3mdev, uidrange, ipproto, sport, dport, tun_id, ACTION, table, lookup, protocol, nat, map-to, realms, goto, type, unicast, blackhole, unreachable, prohibit, SUPPRESSOR, suppress_prefixlength, suppress_ifgroup	references/rule.md
ip neighbour, ip neigh, ip n, neighbour add, neighbour del, neighbour show, neighbour flush, neighbour change, neighbour replace, neighbour get, NUD state, permanent, noarp, stale, reachable, none, incomplete, delay, probe, failed, lladdr, proxy, router, use, managed, extern_learn, extern_valid, vrf, nomaster	references/neighbour.md
ip tunnel, tunnel add, tunnel change, tunnel del, tunnel show, tunnel prl, tunnel 6rd, MODE, ipip, gre, sit, isatap, vti, ip6ip6, ipip6, ip6gre, vti6, any, remote, local, ttl, hoplimit, tos, dsfield, tclass, flowlabel, key, ikey, okey, csum, icsum, ocsum, encaplimit, pmtudisc, ignore-df, allow-localremote, prl-default, prl-nodefault, prl-delete, 6rd-prefix, 6rd-relay_prefix, 6rd-reset	references/tunnel.md
ip xfrm, xfrm state, xfrm policy, xfrm monitor, SAD, SPD, IPsec, ALGO, enc, auth, auth-trunc, aead, comp, MODE, transport, tunnel, beet, reqid, spi, dir, SA-DIR, SELECTOR, TMPL, LIMIT, FLAG, ENCAP, espinudp, espintcp, offload, tfcpad, allocspi, deleteall, count, set, setdefault, getdefault, hthresh4, hthresh6	references/xfrm.md
ip netns, netns list, netns add, netns attach, netns del, netns set, netns identify, netns pids, netns exec, netns monitor, netns list-id, NETNSID, network namespace	references/netns.md
ip addrlabel, ip maddress, ip mroute, ip mrule, ip ntable, ip token, ip tcp_metrics, ip tcpmetrics, ip ioam, ip l2tp, ip mptcp, ip vrf, ip tuntap, ip monitor, ip fou, ip ila, ip macsec, ip netconf, ip nexthop, ip sr, ip stats, multicast, IOAM, namespace, schema, MPTCP, endpoint, limits, VRF, TUN, TAP, foo-over-udp, segment routing	references/misc.md

Quick Guide

• What are the global ip options? → references/overview.md
• What object types does ip support? → references/overview.md
• How does ip address add work? → references/address.md
• What link types can I create? → references/link.md
• How does ip route syntax work? → references/route.md
• What selectors does ip rule accept? → references/rule.md
• What NUD states are valid? → references/neighbour.md
• What tunnel modes exist? → references/tunnel.md
• How does ip xfrm work? → references/xfrm.md
• How do network namespaces work with ip? → references/netns.md
• What about addrlabel, maddress, mptcp, l2tp, ioam, etc.? → references/misc.md