l2 switch

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DSCP and L2 switch

Hi all,Some L2 switch can trust DSCP on interfaces.Why L2 switch can look at DSCP value in IP header? Is this just the way it works when you put the dscp trust command?Any input will be appreciated.Thanks in advance."Smart" Layer 2 switches are aware of what's going on on the...

Tags: DSCP, DSCP value, L2 switch, summers, it management

Q&A 2006-08-04

Additional Resources

Cisco L3 switch and Dlink L2 switch combination

Hi,In my LAN, we have approximately 200 PCs and servers. We now are using 5 Dlink L2 switches DES-3226S + DES-132T modules. The DES-132T is a 2 port gigabit module.We are thinking adding the Cisco L3 switch, WS-C3750G-24TS-S to our lan as the core switch. The reason...

Tags: LANs, JasonHuang8888@..., Cisco L3, DLink, Dlink L2, Cisco Systems Inc.

Discussion threads 2007-04-01

Cisco L3 switch and Dlink L2 switch combination

Hi,In my LAN, we have approximately 200 PCs and servers. We now are using 5 Dlink L2 switches DES-3226S + DES-132T modules. The DES-132T is a 2 port gigabit module.We are thinking adding the Cisco L3 switch, WS-C3750G-24TS-S to our lan as the core switch. The reason I want to...

Tags: LANs, JasonHuang8888@..., Cisco L3, DLink, Dlink L2, Cisco Systems Inc.

Discussion threads 2007-04-04

Cisco L3 switch and Dlink L2 switch combination

In my LAN, we have approximately 200 PCs and servers. We now are using 5 Dlink L2 switches DES-3226S + DES-132T modules. The DES-132T is a 2 port gigabit module.We are thinking adding the Cisco L3 switch, WS-C3750G-24TS-S to our lan as the core switch. The reason I want to...

Tags: LANs, DLink, Cisco L3, DES-132T, LAN, Cisco Systems Inc.

Discussion threads 2008-04-04

VLAN conflict in cisco switch.

In my workplace Vlan-210(IP 172.24.210.X) is created on Cisco 3750 switch, to this L2 access sw's are connected. to this one of my servers are connected.Users are also connected to this L2. At another place im company Same type L2...

Tags: Network technology, VLAN, Cisco Systems Inc.

Discussion threads 2008-07-11

hi i need a help

hi,please help me, i have a L3-3560 switch and L2 switch, i have configured a two VLAN on L2 switch, and now i want to use L3 switch for inter vlan routing,but i unable to configured L3 for dot1q encapsulation. even i tryed for it but switch not show any...

Tags: LANs, please help

Discussion threads 2008-11-22

l2 switsh

how to dissble mac security in switchWhat kind of Switch?What brand of switch are you using?

Tags: Branding

Discussion threads 2008-04-10

VLAN traffic (L2) redundancy on single cisco SWITCH

Hi, I need a configuration for VLAN traffic (L2) redundancy on single cisco SWITCH 4507. for eg:- say supose if one Giga port down traffic will automatically shiftted on another redundant giga port of same switch. please help Thanks

Tags: LANs, VLAN, Cisco Systems Inc.

Discussion threads 2008-12-01

VLAN traffic (L2) redundancy on single cisco SWITCH 4507

Hi,I need a configuration for VLAN traffic (L2) redundancy on single cisco SWITCH 4507. for eg:- say supose if one Giga port down traffic will automatically shiftted on another redundant giga port of same switch.please help ThanksVLANS are not for reduncanceythey are for security and to manage network traffic, by...

Tags: LANs, VLAN, redundancy, Cisco Systems Inc.

Discussion threads 2008-12-02

IBM BladeCenter iSCSI SAN Solution

This paper provides the instructions to configure an IBM BladeCenter Boot from iSCSI NAS from the IBM N-Series N3700 storage system. The Boot from the iSCSI NAS test environment included the use of the Nortel and Cisco Switch Modules for the IBM BladeCenter. The paper also discusses High Availability utilizing...

Tags: IBM eServer BladeCenter, SAN, IBM Corp., Blade Servers, Storage Area Networks (SAN), Servers, Hardware, Storage

White papers 2006-08-01

duo core t2080 1mb cache versus t2250 2 mb cache. which is better?

i dont know which laptop to get.the t2080 are the following specstoshiba15inch80gig HD1.7ghz533 fsb1mb L2 cache1gig ramvistahomet2250acer14 inch160 gig hd1.7ghz533 fsb2mb L2 cache1gig ramvista premiumboth are roughly the same price. but isnt the acer with the 2mb L2 cache faster? i dont know how much a difference it makes but...

Tags: preludexl1@..., L2 Cache

Discussion threads 2007-09-13

Switching Versus Routing in Access Networks

Any discussion regarding the decision to use L2 switching versus L3 routing in the access network must be prefaced with the basic understanding of the uses and benefits of each technology. Traditionally, L2 switching has been used to efficiently and quickly connect users and network elements to each other. The...

Tags: Microsoft Access, Network, Occam Networks, Networking

White papers 2007-05-01

Network design - doubt on advertising customer LAN

Hi All,Following is my scenario for which I've doubt:Site A --- LAN 1 --- L2 Switch1 --- PE router port1 --- MPLS --- Site BSite A --- LAN 2 --- L2 Switch2 --- PE router port2 --- MPLS --- Site BSite A --- LAN 3 --- L2 Switch1Site A ---...

Tags: LANs, Network technology, NETWORKING, advertisement, network, network design, LAN

Discussion threads 2008-07-28

Nortel Networks L2/3 Ethernet Switch Module for IBM eServer BladeCenter

This paper positions the Nortel Networks Layer 2/3 Fiber and Copper GbE Switch Modules for IBM eServer BladeCenter and describes how its integrated switch options enable the consolidation of full Layer 2-3 LAN switching and routing capabilities. The paper serves as a Best Practices guide for implementing, configuring, and managing...

Tags: Ethernet Switch, IBM eServer BladeCenter, Nortel Networks Corp., IBM eServer, IBM Corp., Fiber, Network Technology, Blade Servers, Networking, Servers, Hardware

White papers 2005-09-01

L2 Cache values

What would happen if one was to enter a L2 Cache value that was higher than the system claims to have?Just curiousYou guys are great. Thank you mucho.YOU may have already done that !! :D .Nothing good. :0ÿÝéñåâã#Sho' 'nuff :)I see that you...

Tags: L2 Cache

Discussion threads 2008-01-15

SLOW HP Pavillion

Good morning I would just like to enquire if I have a new HP Pavillion dv9700 and the applications are opening very slow i.e. MS WORD. This application is taking like a minute to open and other office appliction. I have increased the CPU speed and have increased the virtual...

Tags: Microsoft Windows Vista (Longhorn), Processors, Hewlett-Packard Co., L2 Cache, Microsoft Windows Vista, processor

Discussion threads 2008-07-24

Application Switching With Nortel Networks Layer 2-7 Gigabit Ethernet Switch Module for IBM BladeCenter

This paper positions the Nortel Networks Layer 2-7 GbE Switch Modules for IBM eServer BladeCenter and describes how its integrated switch options enable the consolidation of full Layer 2-7 LAN switching and routing capabilities. The paper serves as an update to the IBM eServer BladeCenter Layer 2-7 Network Switching, REDP-3755-00....

Tags: Ethernet, IBM eServer BladeCenter, Nortel Networks Corp., IBM eServer, Gigabit Ethernet, IBM Corp., Blade Servers, Utility Computing, Servers, Hardware

White papers 2006-03-01

Vlan setup with L2 switch and Cisco 2620 router

Hi, I'm quite new to this forum and new to Vlans.I have been reading a lot of articles and questions regarding Vlans on this site, but I'm still not sure about it.Basically, I have got a Netgear GSM 7224 Switch which supports 802.1Q Trunking? and a Cisco 2620 Router. Which...

Tags: LANs, Acer1986, VLAN, Cisco 2620 Router, Cisco 2620, router, Cisco Systems Inc.

Discussion threads 2007-09-11

Excel Query - automatic re-formatting.

I'm currently trying to re-format a small (1500ish record) database for a client. The issue is that one column contains information answers recorded from tick boxes that isn't really in a useable format and needs to be split into separate columns. As an example where someone has ticked boxes 1,...

Tags: Microsoft Excel

Discussion threads 2008-03-05

can a reset switch be used as a power switch?

can a reset switch be used as a power switch?I have swappedthe reset switch to replace a faulty power switch. No problems doing that.Depends on what you mean by[i]can a reset switch be used as a power switch?[/i] If it is can you swap the Front Panel Connectors around to...

Tags: Routers & switches, power switch

Discussion threads 2008-08-20