Cisco devices are not discovered In Spectrum OneClick under the VPLS Manager
Release : Any version of Spectrum
Component : Spectrum VPLS Manager
Cisco devices are not supported in Spectrum VPLS Manager. Only Juniper devices are supported in Spectrum VPLS Manager.
Reference the "MIBs and Devices Supported by VPLS Manager" section of the documentation.
VPLS Manager supports the following tables in the Juniper Enterprise VPN MIB:
VPLS Manager functionality is supported by Juniper on JunOS 6.1 or later.