[FR-SW]dis cur 
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 version 5.20, Alpha 1011
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 sysname FR-SW
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 fr switching
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interface Serial0/2/1
 link-protocol fr
 fr interface-type dce
 fr dlci 102
 fr dlci 103
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interface Serial0/2/2
 link-protocol fr
 fr interface-type dce
 fr dlci 201
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interface Serial0/2/3
 link-protocol fr
 fr interface-type dce
 fr dlci 301
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fr switch R1-R2 interface Serial0/2/1 dlci 102 interface Serial0/2/2 dlci 201
fr switch R1-R3 interface Serial0/2/1 dlci 103 interface Serial0/2/3 dlci 301
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