I have a laser printer at 192.168.1.242. Other hosts on my network can connect to it.
This mac puts an entry in the routing table to route traffic for this address to itself. (Sigh)
Why would Mac OS start doing this?
Mac OS version: 10.7.5
netstat -nr:
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.1.53 UGSc 96 0 en1
127 127.0.0.1 UCS 0 0 lo0
127.0.0.1 127.0.0.1 UH 5 29588874 lo0
169.254 link#5 UCS 0 0 en1
192.168.1 link#5 UCS 5 0 en1
192.168.1.29 0:22:15:df:63:21 UHLWIi 0 8 en1 1193
192.168.1.53 0:26:b9:7e:4f:bf UHLWIi 105 190 en1 1199
192.168.1.57 127.0.0.1 UHS 0 0 lo0
192.168.1.242 link#5 UHLWIi 0 36 en1
192.168.1.255 ff:ff:ff:ff:ff:ff UHLWbI 0 32 en1
Internet6:
Destination Gateway Flags Netif Expire
::1 link#1 UHL lo0
fe80::%lo0/64 fe80::1%lo0 UcI lo0
fe80::1%lo0 link#1 UHLI lo0
ff01::%lo0/32 fe80::1%lo0 UmCI lo0
ff02::%lo0/32 fe80::1%lo0 UmCI lo0
netstat -i:
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lo0 16384 <Link#1> 29615387 0 29615387 0 0
lo0 16384 localhost fe80:1::1 29615387 - 29615387 - -
lo0 16384 127 localhost 29615387 - 29615387 - -
lo0 16384 localhost ::1 29615387 - 29615387 - -
gif0* 1280 <Link#2> 0 0 0 0 0
stf0* 1280 <Link#3> 0 0 0 0 0
en0 1500 <Link#4> 3c:07:54:28:52:ba 0 0 0 0 0
en1 1500 <Link#5> 60:c5:47:9b:bf:8c 381290034 0 633464218 0 0
en1 1500 192.168.1 192.168.1.57 381290034 - 633464218 - -
p2p0 2304 <Link#6> 02:c5:47:9b:bf:8c 0 0 0 0 0
fw0 4078 <Link#7> a4:b1:97:ff:fe:77:97:aa 0 0 0 0 0