A true router, 2621/3640/7200, is not usually considered
a L3 switch. A 6500 with an MSFC module installed can be
is a L3 switch and will perform L2/L3 routing and switching.
A 6500 without the MSFC module is just a large high speed switch,
capable of only L2 switching.
A layer 3 switch usually
It is far more accurate to describe a layer 3 switch as a router.
A router consists of a control function and forwarding function. In
many modern routers, there is a single control processor and multiple
forwarding engines.
Of the carrier-class routers where I am familiar with the internal
According to Clark's Cisco LAN Switching(page 452 ),
layer 3 switching techniques can be grouped
into two categories:
Routing switches
Switching routers
mlh
- Original Message -
From: Larry Letterman
To:
Sent: Friday, March 15, 2002 2:48 AM
Subject: RE: Layer 3 switch ? [7:38358
, March 15, 2002 7:56 AM
To: [EMAIL PROTECTED]
Subject: Re: Layer 3 switch ? [7:38358]
According to Clark's Cisco LAN Switching(page 452 ),
layer 3 switching techniques can be grouped
into two categories:
Routing switches
Switching routers
mlh
- Original Message -
From: Larry Letterman
rs
mlh
- Original Message -
From: Larry Letterman
To:
Sent: Friday, March 15, 2002 2:48 AM
Subject: RE: Layer 3 switch ? [7:38358]
A true router, 2621/3640/7200, is not usually considered
a L3 switch. A 6500 with an MSFC module installed can be
is a L3 switch and will perfo
-
From: Chuck
To:
Sent: Friday, March 15, 2002 11:24 AM
Subject: Re: Layer 3 switch ? [7:38358]
so if I enable IRB on my 2501, I now have a layer 3 switch? ;-
mlh wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
According to Clark's Cisco LAN Switching(
calls something in its literature, but don't
obsess over arbitrarily fitting one box into a category.
- Original Message -
From: Chuck
To:
Sent: Friday, March 15, 2002 11:24 AM
Subject: Re: Layer 3 switch ? [7:38358]
so if I enable IRB on my 2501, I now have a layer 3 switch
-
From: Chuck
To:
Sent: Friday, March 15, 2002 11:24 AM
Subject: Re: Layer 3 switch ? [7:38358]
so if I enable IRB on my 2501, I now have a layer 3 switch? ;-
mlh wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
According to Clark's Cisco LAN Switch
Is it ok to refer to a router as a Layer 3 switch ?
cisco 6500 was referred to as a Layer 3 switch.
question: does it(6500) have routing capabilities ?
-
to connect to different vlans one needs a router.
right ?? (as shown below)
switchA
Hi,
The term layer 3 switch is used to describe a switch
that has routing capabilities. In the 6509, routing is
handled by the MSFC daughtercard on the Sup module.
If you do a 'show module' the MSFC is in slot 15
and/or 16. If you do a 'session 15' you
reverse-telnet/console into the router
Cisco Systems
[EMAIL PROTECTED]
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
John Green
Sent: Thursday, March 14, 2002 10:50 PM
To: [EMAIL PROTECTED]
Subject: Layer 3 switch ? [7:38358]
Is it ok to refer to a router as a Layer 3 switch ?
cisco 6500
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