if you need Channelised E1 on Data, use CE1 card, else use 2MFT card, see below table:Table 2. Cisco T1/E1 Module Capacity ComparisonConfiguration DescriptionMFT ModulesNIM-1MFT-T1/E1, NIM-2MFT-T1/E1, NIM‑4MFT-T1/E1, and NIM-8MFT-T1/E1Channeliz...
• Plain text and MD5 authentication among neighboring routers within an area is supported.pls follow this link:http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_55_se/configuration/guide/3560scg.pdfpage#37-24.