Cisco 851710 Install May 2026
If the module has no IOS image, you will see:
rommon 1 >
At this prompt, set basic parameters:
rommon 1 > IP_ADDRESS=192.168.1.10
rommon 1 > GATEWAY=192.168.1.1
rommon 1 > TFTP_SERVER=192.168.1.100
rommon 1 > tftpdnld
After boot, the system will prompt:
Would you like to enter the initial configuration dialog? [yes/no]: yes
System Name [Cisco_85xx]: WLC-8510
Management Interface IP Address: 192.168.1.10
Management Interface Netmask: 255.255.255.0
Management Interface Default Gateway: 192.168.1.1
Management Interface VLAN Identifier (0 = untagged): 0
Enable SSH/HTTP/HTTPS? yes
| Issue | Probable Cause | Solution | | :--- | :--- | :--- | | Screen is blank | No Power | Verify the power brick is plugged in firmly. Check the outlet. (Note: PoE often fails to power this unit sufficiently). | | "Configuring IP" Loop | Network/DHCP issue | Verify the Ethernet link light is green. Check if the VLAN is correct and DHCP is handing out IPs. | | "Registering" Stuck | TFTP/Call Manager issue | Verify Option 150 is set in DHCP. Verify the MAC address of the phone is added to the Call Manager database. | | Echo / Audio Issues | Room Acoustics | Lower the volume. Ensure the unit is not on a hollow table (vibrates). Move away from HVAC vents. | | Headset Button Not Working | Firmware/Feature Policy | The 7937G is a speakerphone; headset functionality depends strictly on the Call Manager device configuration page. | cisco 851710 install
The module requires Cisco IOS 12.2(33)SXI or later. For IOS XE, use 15.1(1)SY or higher. If the module has no IOS image, you
Once the LED turns green, complete the software side of the Cisco 851710 install. At this prompt, set basic parameters: rommon 1
If using the 851710 in a huddle space on a wall: