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OpenBSD: ping command - bad interface address

Hi,
I have the following issue

Code:

$ ping -I urtw0 192.168.1.100

ping: bad interface address: urtw0

in the man for ``ping" it is not described a proper form for ``ifaddr", the parameter following -I option. What's wrong? Here is ``ifconfig" output

Code:

# ifconfig urtw0

urtw0: flags=8a43<UP,BROADCAST,RUNNING,ALLMULTI,SIMPLEX,MULTICAST> mtu 1500

        lladdr 00:06:4f:85:ad:3c

        priority: 4

        groups: wlan egress

        media: IEEE802.11 autoselect (DS1 mode 11g)

        status: active

        ..................................................................................................

        inet6 fe80::206:4fff:fe85:ad3c%urtw0 prefixlen 64 scopeid 0x6

        inet 192.168.1.103 netmask 0xffffff00 broadcast 192.168.1.255

Looks like the option is only for "multicast" address and seems it's not the thing you're trying to do.

If you haven't figured it out already, try:

Code:

ping -I 192.168.1.103 192.168.1.100