RELIANCE 0-57C401-2模塊卡件
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RELIANCE 0-57C401-2交換機是數(shù)據(jù)鏈路層設(shè)備，可以識別數(shù)據(jù)包中的MAC地址，并建立MAC地址和端口號之間的對應(yīng)關(guān)系，即MAC地址表。交換機根據(jù)MAC地址將數(shù)據(jù)包轉(zhuǎn)發(fā)到相應(yīng)的端口，將沖突限制在端口上。所有與交換機相連的設(shè)備屬于一個廣播域。
RELIANCE 0-57C401-2管理型交換機相比非管理型交換機增加了很多功能，如VLAN、QoS、IGMP Snooping、端口鏡像、ACL、DHCP服務(wù)器和廣播多播帶寬限制等功能。不同的管理型交換機的功能有所不同，通過使用相應(yīng)功能可更好地管理網(wǎng)絡(luò)。
RELIANCE 0-57C401-2三層交換機在交換機的基礎(chǔ)上增加了路由功能，可以實現(xiàn)不同VLAN之間的通信，同時也可以實現(xiàn)不同網(wǎng)絡(luò)之間的通信。
RELIANCE 0-57C401-2路由器是網(wǎng)絡(luò)層設(shè)備，可以實現(xiàn)不同網(wǎng)絡(luò)之間的通信，將數(shù)據(jù)包從一個網(wǎng)絡(luò)傳輸?shù)搅硪粋€網(wǎng)絡(luò)。
網(wǎng)關(guān)是在不同協(xié)議之間進行數(shù)據(jù)轉(zhuǎn)換的設(shè)備，例如將局域網(wǎng)與互聯(lián)網(wǎng)連接起來時需要使用網(wǎng)關(guān)。
RELIANCE 0-57C401-2 switches are data link layer devices that can identify MAC addresses in data packets and establish a correspondence between MAC addresses and port numbers, known as MAC address tables. The switch forwards data packets to the corresponding port based on the MAC address, limiting conflicts to the port. All devices connected to the switch belong to a broadcast domain.
RELIANCE 0-57C401-2 managed switches add many functions compared to non managed switches, such as VLAN, QoS, IGMP Snooping, port mirroring, ACL, DHCP server, and broadcast multicast bandwidth limitations. The functions of different managed switches vary, and using the corresponding functions can better manage the network.
RELIANCE 0-57C401-2 three-layer switch adds routing function on the basis of the switch, which can achieve communication between different VLANs and also achieve communication between different networks.
RELIANCE 0-57C401-2 routers are network layer devices that enable communication between different networks, transferring data packets from one network to another.
A gateway is a device that converts data between different protocols, such as when connecting a local area network to the Internet.
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