Sophos Switch Support And Services Extended Service Renewal 61 Month MosBoost your network resilience with the Sophos Switch Support and Services Extended Service Renewal for 61 months. This long term service plan is engineered for organizations that demand unwavering performance, proactive maintenance, and cost effective management of their Sophos switch investments. With a 61 month extension, you gain predictable protection, rapid response, and access to ongoing updates that help your network stay secure and up to date.