### Information to Gather: X.25

For X.25 configurations, gather and record the following information from Telco and your system administrator:

- The DTE addresses for each line

- The logical channel numbers the network assigns

- The higher layer addresses associated with each virtual circuit

- The default and maximum frame and packet sizes the network supports

- The X.25 version the network uses (1980, 1984, 1988)

- Line speed and clock source