]>
git.proxmox.com Git - mirror_iproute2.git/blob - ip/ifcfg
5 sbase
=/proc
/sys
/net
/ipv
4/conf
8 for dir
in $sbase/*/forwarding
; do
9 fwd
=$
[$fwd + `cat $dir`]
18 killall
-HUP rdisc || rdisc
-fs
25 if [ "$1" = "" -o $class -eq 0 -o $class -ge 224 ]; then return 0
26 elif [ $class -ge 224 ]; then return 0
27 elif [ $class -ge 192 ]; then return 24
28 elif [ $class -ge 128 ]; then return 16
35 if [ "$dev" = "" -o "$1" = "help" ]; then
36 echo "Usage: ifcfg DEV [[add|del [ADDR[/LEN]] [PEER] | stop]" 1>&2
37 echo " add - add new address" 1>&2
38 echo " del - delete address" 1>&2
39 echo " stop - completely disable IP" 1>&2
46 if [ $fwd -ne 0 ]; then
47 echo "Forwarding is ON or its state is unknown ($fwd). OK, No RDISC." 1>&2
55 if [ "$ldev" != "$dev" ]; then
56 echo "Cannot stop alias $ldev" 1>&2
59 ip
-4 addr flush dev
$dev $label ||
exit 1
60 if [ $fwd -eq 0 ]; then RestartRDISC
; fi
69 if [ "$1" != "" ]; then
71 if [ "$1" != "$ipaddr" ]; then
74 if [ "$ipaddr" = "" ]; then
75 echo "$1 is bad IP address." 1>&2
82 if [ "$peer" != "" ]; then
83 if [ "$pfxlen" != "" -a "$pfxlen" != "32" ]; then
84 echo "Peer address with non-trivial netmask." 1>&2
87 pfx
="$ipaddr peer $peer"
89 if [ "$ipaddr" = "" ]; then
90 echo "Missing IP address argument." 1>&2
93 if [ "$pfxlen" = "" ]; then
100 if [ "$ldev" = "$dev" -a "$ipaddr" != "" ]; then
104 if [ $deleting -ne 0 ]; then
105 ip addr del
$pfx dev
$dev $label ||
exit 1
106 if [ $fwd -eq 0 ]; then RestartRDISC
; fi
111 if ! ip link
set up dev
$dev ; then
112 echo "Error: cannot enable interface $dev." 1>&2
115 if [ "$ipaddr" = "" ]; then exit 0; fi
117 if ! arping
-q -c 2 -w 3 -D -I $dev $ipaddr ; then
118 echo "Error: some host already uses address $ipaddr on $dev." 1>&2
122 if ! ip address add
$pfx brd
+ dev
$dev $label; then
123 echo "Error: failed to add $pfx on $dev." 1>&2
127 arping
-q -A -c 1 -I $dev $ipaddr
130 arping
-q -U -c 1 -I $dev $ipaddr ) >& /dev
/null
</dev
/null
&
132 ip route add unreachable
224.0.0.0/24 >& /dev
/null
133 ip route add unreachable
255.255.255.255 >& /dev
/null
134 if [ `ip link ls $dev | grep -c MULTICAST` -ge 1 ]; then
135 ip route add
224.0.0.0/4 dev
$dev scope global
>& /dev
/null
138 if [ $fwd -eq 0 ]; then
139 if [ $noarp -eq 0 ]; then
140 ip ro append default dev
$dev metric
30000 scope global
141 elif [ "$peer" != "" ]; then
142 if ping -q -c 2 -w 4 $peer ; then
143 ip ro append default via
$peer dev
$dev metric
30001