cisco press ccna portable command guide 2nd edition 640 802 phần 5

- exec-timeout lệnh cấu hình tiết kiệm - Tẩy xoá cấu hình • lệnh show để thẩm định các cấu hình router • eXEC lệnh trong chế độ cấu hình: làm lệnhCấu hình Router Cisco đơnTrang này cố ý để trống Điện thoại Internet và video tương tác thời gian thực, cho đến nay, ít thành công hơn so với dòng lưu trữ âm thanh / video. | VLAN Trunking Protocol VTP 127 3560Switch config-if switchport trunk encapsulation negotiate Specifies that the interface negotiate with the neighboring interface to become either an ISL or dot1q trunk depending on the capabilities or configuration of the neighboring interface TIP With the switchport trunk encapsulation negotiate command set the preferred trunking method is ISL. CAUTION The 2960 series switch supports only dot1q trunking. VLAN Trunking Protocol VTP VTP is a Cisco proprietary protocol that allows for VLAN configuration addition deletion or renaming of VLANs to be consistently maintained across a common administrative domain. Using Global Configuration Mode Switch config vtp mode client Changes the switch to VTP client mode. Switch config vtp mode server Changes the switch to VTP server mode. Switch config vtp mode transparent Changes the switch to VTP transparent mode. NOTE By default all Catalyst switches are in server mode. Switch config no vtp mode Returns the switch to the default VTP server mode. Switch config vtp domain domain-name Configures the VTP domain name. The name can be from 1 to 32 characters long. NOTE All switches operating in VTP server or client mode must have the same domain name to ensure communication. Switch config vtp password password Configures a VTP password. In Cisco IOS Software Release and later the password is an ASCII string from 1 to 32 characters long. If you are using a Cisco IOS Software release earlier than the password length ranges from 8 to 64 characters long. 128 VLAN Trunking Protocol VTP NOTE To communicate with each other all switches must have the same VTP password set. Switch config vtp v2-mode Sets the VTP domain to Version 2. This command is for Cisco IOS Software Release and later. If you are using a Cisco IOS Software release earlier than the command is vtp version 2. NOTE VTP Versions 1 and 2 are not interoperable. All switches must use the same version. The biggest difference .