Hi,we'd like to connect a 2960G-48TC with a C2955C-12 using 100Base-FX. According to the data sheets, the C2955C-12 has two fixed 100BASE-FX multimode uplink ports MT-RJ connectors) and the 2960G-48TC has 4 dual-purpose ports that can take SFP 100...

Hello,We are running IOS12.4(5a) on a 2821 and have "ip inspect esmtp" enabled. We noticed that every day several emails end up in the postmaster account withthe following message:"A mail message was not sent due to a protocol error. 500 Firewall Err...