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Thank you for clarification.These are three SR-520 routers with IOS Content Filter Subscriptions that were donated by Cisco to a non-profit organisation via TechSoup Canada ... hence no service contract.Should there be another way of getting upgrade...
I have just run into the same issue with an IOS version 12.4(20)T5-Adv-IP-Serv-Crypto ... it looks like "trm" command is not valid there?Any help appreciated, Albin.
