had the same problem. Installed 12.2(46)SE and was able to enter the option...unfortunately the DHCP Server doesn't seem to send option 67 or 66.
!
!
ip dhcp pool DATA
network 192.168.6.0 255.255.255.0
default-router 192.168.6.1
dns-server 192.168.5.23 192.168.6.1
netbios-name-server 192.168.5.23
option 43 hex 3a02.00c8.ff
!
ip dhcp pool VOICE
network 192.168.161.0 255.255.255.0
default-router 192.168.161.1
dns-server 192.168.5.23 192.168.6.1
netbios-name-server 192.168.5.23
option 66 ip 192.168.7.21
option 43 hex 616c.6361.7465.6c2e.6e6f.652e.30
option 67 ascii "lanpbx.cfg"
!
Here is a capture from one of the dhcp packets:
Frame 198 (342 bytes on wire, 342 bytes captured)
Ethernet II, Src: Cisco_01:cd:c2 (00:1f:27:01:cd:c2), Dst: AlcatelB_78:75:8b (00:80:9f:78:75:8b)
Internet Protocol, Src: 192.168.161.4 (192.168.161.4), Dst: 192.168.161.58 (192.168.161.58)
User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
Source port: bootps (67)
Destination port: bootpc (68)
Length: 308
Checksum: 0x3c47 [correct]
Bootstrap Protocol
Message type: Boot Reply (2)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x72c3097a
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 192.168.161.58 (192.168.161.58)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: AlcatelB_78:75:8b (00:80:9f:78:75:8b)
Server host name not given
Boot file name not given
Magic cookie: (OK)
Option: (t=53,l=1) DHCP Message Type = DHCP ACK
Option: (t=54,l=4) Server Identifier = 192.168.161.4
Option: (t=51,l=4) IP Address Lease Time = 1 day
Option: (t=58,l=4) Renewal Time Value = 12 hours
Option: (t=59,l=4) Rebinding Time Value = 21 hours
Option: (t=1,l=4) Subnet Mask = 255.255.255.0
Option: (t=3,l=4) Router = 192.168.161.1
Option: (t=43,l=13) Vendor-Specific Information
End Option
Padding
Why don't I see Option 66 or 67?
Cheers Tom
