Note 帧中继中的VC称为DLCI. Vc:虚电路标识符(virtual circuit identifier) DLC:数字链路连接标识符(data link connection identifier) 18.418.4 帧中继中的VCI称为DLCI. Note VCI: 虚电路标识符 (virtual circuit identifier) DLCI: 数字链路连接标识符 (data link connection identifier)