Overview
This article explains how you can configure custom DHCP options. For more information, refer to the Dynamic Host Configuration Protocol (DHCP) and Bootstrap Protocol (BOOTP) Parameters
Process
- Open Configuration > DHCP Server settings.
- Click on Configure scopes manually.
- Click on Yes to confirm.
- Click on the Edit button to edit DHCP scope settings.
- Click on the Add button to add new DHCP option
- Choose the necessary option from the drop-down list and fill out the value accordingly.
- Click on Ok to close the Edit Option window.
- Click on Ok to close the Edit Scope window.
- Click on Apply to save the changes
Note: Kerio Control supports a variety of DHCP options, but not all of them. Here is the full list of supported options:
| 002: | Time offset |
| 003: | Default gateway |
| 004: | Time server |
| 005: | Name server |
| 006: | DNS server |
| 007: | Log server |
| 008: | Cookie server |
| 009: | LPR server |
| 010: | Impress server |
| 011: | Resource location server |
| 012: | Host name |
| 013: | Boot file size |
| 014: | Merit dump file |
| 015: | Domain name |
| 016: | Swap server |
| 017: | Root path |
| 018: | Extensions path |
| 019: | IP forwarding |
| 020: | Non-local source routing |
| 021: | Policy filter |
| 022: | Maximum datagram size |
| 023: | Default time-to-live |
| 024: | Path MTU aging timeout |
| 025: | Path MTU table |
| 026: | Interface MTU |
| 027: | All subnets are local |
| 028: | Broadcast address |
| 029: | Perform mask discovery |
| 030: | Mask supplier |
| 031: | Perform router discovery |
| 032: | Router solicitation address |
| 033: | Static route (dest. - router) |
| 034: | Trailer encapsulation |
| 035: | ARP cache Timeout |
| 036: | Ethernet encapsulation |
| 037: | Default TTL |
| 038: | TCP Keepalive interval |
| 039: | TCP Keepalive garbage |
| 040: | Network information service |
| 041: | Network information server |
| 042: | Network time server |
| 043: | Vendor-specific information |
| 044: | WINS name server |
| 045: | WINS datagram server |
| 046: | WINS node type |
| 047: | WINS scope |
| 048: | Font server |
| 049: | Display manager |
| 051: | Lease time |
| 060: | Class identifier |
| 064: | NIS+ domain |
| 065: | NIS+ servers |
| 066: | TFTP server name |
| 067: | Bootfile name |
| 068: | Mobile IP home agent |
| 069: | SMTP server |
| 070: | POP3 server |
| 071: | NNTP server |
| 072: | WWW server |
| 073: | FINGER server |
| 074: | IRC server |
| 075: | StreetTalk server |
| 076: | STDA server |
| 121: | Classless static route (dest./mask - router) |
| 249: | Classless static route (Microsoft) |
| 252: | MSIE proxy autodiscovery |
Confirmation
The necessary parameter is configured in the DHCP settings.