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**giangdv** · 17-07-2014, 09:41 AM

Used in ( Lan/MAN/WAN) : Router Lan/Wan - Switch: LAN
Table: Router: store IP address in routing table and maintian address
Switch: store Mac address
Broadcast domain: Router: own broadcarst domain
Switch: own broadcast domain ( trừ khi sử dụng vlan )
Bandwith sharing: Router: bandwith sharing is dynamic
Switch: no sharing port, can 10/100/1000 and 10000 Mbps
Speed: router 1-10Mbps (Wireless), 100 wired
switch: 10/100 Mbps, 1Gpbs
Nat: router: can nat
switch: can not nat
Routing Decision: router: take faster routing decision
switch: take more time for complicated routing decision
Network enviroment: In MAN/WAN router is faster than L3 Switch
In Lan Switch is faster router ( built in switching hardware )

**lamvantu** · 18-07-2014, 10:27 AM

Một số thông tin về NAT:

Network Address Translation Catalyst Switch Support Matrix

http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/29283-166.html

Network Address Translation (NAT) operates on a routing device that connects two networks together. One of these networks (which is designated as 'inside') has private addresses that require conversion into legal addresses before packets are forwarded onto the other network (which is designated as 'outside'). The translation operates in conjunction with routing so that you can simply enable NAT on a gateway router when you need translation. The table in the NAT Feature Support on Catalyst Switches section of this document summarizes the support of the NAT feature in Cisco Catalyst switches.

Announcement

Router và Multilayer Switch thì khác nhau như thế nào???

Router và Multilayer Switch thì khác nhau như thế nào???

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