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what is the difference between Layer 3 switch and Router
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Answer / shahid solanki
the only diffrence between L3 switch and router is that,
Router is a mutiple technogy device, it can work on serial
technology & it can work on ethernet technolgy also.
whereas L3 switch works on ethernet technolgy only...
L3 switch is smillar to router
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / krishna chavan
Router is software based and L3 Switch is hardware based.
Router dose the software based routing and L3 Switch dose
the hardware based routing.
Router eleminates the broadcast and switch forwards the
broadcast.
| Is This Answer Correct ? | 12 Yes | 8 No |
Answer / saheem shah
L3 switches do not have WAN interfaces.
You can connect Ethernet circuits to a switch so you only
need a router if you want to connect traditional circuits
such as E1 E1 SDH or old technology such as X21 V35 or
async circuits.
As far as I know Call Manager Express does not run on a
switch but does on a router.
Switches support WiFi controller, Firewall so are quite
powerfull.
So you need to understand the business requirement before
deciding router or switch.
Also routers can include switch modules
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / krishna.venkata
Layer 3 switch are almost same as a router with following differences
Layer 3 switch is optimized to data as fast as layer2 switch but it makes the decision on how to transmit traffic at layer 3 (just like a router)
Perfect in Lan environment as it is built on switching hardware. Another thing is it is faster than a router in LAN environment. Layer 3 use route once switch many policy. It means when it search for specific destination using a routing table, it creates a cache entry in a switch RAM. So next time it does not have to search again for a routing table for same source and destination address. It also picks up hop information from cache.
So you can say that Layer 3 switch has the ability to reprogram the hardware dynamically with the current Layer 3 routing information. That is why it is faster than a router.
To be frank many of Cisco’s layer 3 switch’s are actually routers
Layer 3 switch good for LAN
Routers good for WAN
Router has some advanced routing functionality which is not available in Layer 3 switch at all.
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / s.m.feroz ahmed
Hi,
The only difference between Layer-3 Switch and Router is
Layer-3 switch will allow only interested Traffic into
Network and Router will allow all traffic without
filtering.Firewall can be called as Layer-3 Switch.
| Is This Answer Correct ? | 0 Yes | 7 No |
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