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It is also easy to get similar information via a simple terminal command.
Authored by: st3phen on May 23, '08 03:56:15PM

ipconfig getpacket [ifaddr]

For example, on Ethernet 0:
ipconfig getpacket en0

This returns the DHCP information, including the DHCP server's address info, any Option 95 information. Here's example information for my MacBook Pro:

op = BOOTREPLY
htype = 1
flags = 0
hlen = 6
hops = 0
xid = 1301709434
secs = 1
ciaddr = 0.0.0.0
yiaddr = 192.168.15.100
siaddr = 0.0.0.0
giaddr = 0.0.0.0
chaddr = 0:12:34:56:78:9A
sname =
file =
options:
Options count is 9
dhcp_message_type (uint8): ACK 0x5
server_identifier (ip): 192.168.15.253
lease_time (uint32): 0x54600
renewal_t1_time_value (uint32): 0x2a300
rebinding_t2_time_value (uint32): 0x49d40
subnet_mask (ip): 255.255.255.0
router (ip_mult): {192.168.15.254}
domain_name_server (ip_mult): {192.168.15.253}
end (none):



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