What does a switch do with a frame addressed to a MAC address that is not in its MAC address table?
What does a switch do with a frame addressed to a MAC address that is not in its MAC address table?
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| April 8, 2009 12:02 PM
MAC address, Switches
What does a switch do with a frame addressed to a MAC address that is not in its MAC address table?
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| April 8, 2009 12:02 PM
MAC address, Switches
Cisco POE switch port flaps
I have a Cisco PoE switch flapping 3 of my 12 ports providing power to connected 3com hubs. The configuration is the same for all switch ports and is set at defaults. debugging poe events outputs the following which seems to indicate the switch is probing for an IP phone.
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| September 29, 2008 1:02 PM
Cisco, IP phones, PoE, Switches
I have a Cisco PoE switch flapping 3 of my 12 ports providing power to connected 3com hubs. The configuration is the same for all switch ports and is set at defaults. debugging poe events outputs the following which seems to indicate the switch is probing for an IP phone.
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| September 29, 2008 1:02 PM
Cisco, IP phones, PoE, Switches
Cisco 2960 & Cisco Linksys SRW 2024
What is the difference between Cisco 2960 Switch and Cisco Linksys SRW2024?
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| September 25, 2008 12:36 PM
Cisco 2960, Cisco Linksys SRW 2024, Switches
What is the difference between Cisco 2960 Switch and Cisco Linksys SRW2024?
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| September 25, 2008 12:36 PM
Cisco 2960, Cisco Linksys SRW 2024, Switches
Network design
our new office has 5 rooms each room had a a patchpanel where all the lan points in that room are terminated. I am planning to put a managed switch in each of thoose 5 places, this will be connected to the main server room thru 5 fiber channels. My doubt may sound silly .. [...]
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| September 19, 2008 9:43 PM
LAN port, Managed Switches, Network design, Patch panels, Switches
our new office has 5 rooms each room had a a patchpanel where all the lan points in that room are terminated. I am planning to put a managed switch in each of thoose 5 places, this will be connected to the main server room thru 5 fiber channels. My doubt may sound silly .. [...]
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| September 19, 2008 9:43 PM
LAN port, Managed Switches, Network design, Patch panels, Switches
Redundant DMZ switch configuration
I’ve live DMZ switch (c3750) in production. I’m required to configure redundant DMZ switch (c3750). What precutions do I need to take. To give a bit more information the current DMZ switch is connected to the Primary PIX and Secondary PIX. Number of DMZ servers are of course connected to the swicth. What configuration should [...]
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| September 25, 2008 4:39 PM
c3750, DMZ, DMZ Switch, PIX, Switches
I’ve live DMZ switch (c3750) in production. I’m required to configure redundant DMZ switch (c3750). What precutions do I need to take. To give a bit more information the current DMZ switch is connected to the Primary PIX and Secondary PIX. Number of DMZ servers are of course connected to the swicth. What configuration should [...]
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| September 25, 2008 4:39 PM
c3750, DMZ, DMZ Switch, PIX, Switches
Network Drop
Hello, I am gowind to run a network drop using Cat 5E 350MHz CMR cable running from a guest house to the main house. The guest house has a Linksys router from which point i will run the Cat 5E around the outside of the house, drop down and burry in pvc pipe to main [...]
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| September 15, 2008 3:11 PM
Access Points, Cabling, Cat 5E, Category 5 cable, Linksys, NetGear WN802T, Network design, Switches
Hello, I am gowind to run a network drop using Cat 5E 350MHz CMR cable running from a guest house to the main house. The guest house has a Linksys router from which point i will run the Cat 5E around the outside of the house, drop down and burry in pvc pipe to main [...]
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| September 15, 2008 3:11 PM
Access Points, Cabling, Cat 5E, Category 5 cable, Linksys, NetGear WN802T, Network design, Switches
Switch problem
my cisco switch is not working, when i connect the pc with any switch port, switch not show any color light even when i on the switch, only one light show “sys” kindly help me
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| September 14, 2008 7:28 AM
Cisco switches, Switch configuration, Switches
my cisco switch is not working, when i connect the pc with any switch port, switch not show any color light even when i on the switch, only one light show “sys” kindly help me
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| September 14, 2008 7:28 AM
Cisco switches, Switch configuration, Switches
MDI OR MDIX Configuration
Is MDI OR MDIX configurable on a Cisco Switch?
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| September 9, 2008 3:58 PM
Cisco switches, MDI, MDIX, Switches
Is MDI OR MDIX configurable on a Cisco Switch?
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| September 9, 2008 3:58 PM
Cisco switches, MDI, MDIX, Switches
VOIP and Routing Question
Please advise. We have a branch office with a Cisco 3560 48/port POE switch. The branch office has 20 users in VLAN 1. The switch interfaces with a Cisco 2811 router. The router has a T1 point to point to our main office. We are putting in VOIP so each user has a phone -> [...]
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| February 23, 2011 11:54 PM
Cisco 2811, Cisco 3560, Cisco Routers, Networking, Routers, Routing, Switches, VLAN, VoIP
Please advise. We have a branch office with a Cisco 3560 48/port POE switch. The branch office has 20 users in VLAN 1. The switch interfaces with a Cisco 2811 router. The router has a T1 point to point to our main office. We are putting in VOIP so each user has a phone -> [...]
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| February 23, 2011 11:54 PM
Cisco 2811, Cisco 3560, Cisco Routers, Networking, Routers, Routing, Switches, VLAN, VoIP
unable to connect multiple ProCurve Switch 4000
i have 3 ProCurve Switch 4000 on my network. if i attach another switch to my network i can not get it to link up. i have zero security set, and flow controll off, and a cross over cable doesn’t work either.
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| September 4, 2008 12:23 PM
ProCurve Switch 4000, Switches
i have 3 ProCurve Switch 4000 on my network. if i attach another switch to my network i can not get it to link up. i have zero security set, and flow controll off, and a cross over cable doesn’t work either.
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| September 4, 2008 12:23 PM
ProCurve Switch 4000, Switches
Pretty strange problem in my network
Hi Everyone, I have a client who has 10 computers . He also have 10 ADSL connections for internet connectivity (all from single ISP). We want to setup the environment in the following way: we have 2 D-Link simple switches with 24 ports. What we wanted to do is to connect all ADSL modems to [...]
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| August 28, 2008 7:45 AM
ADSL, DSL, interconnectivity, IP, Network, Network collision, Network connectivity, Network design, Switches
Hi Everyone, I have a client who has 10 computers . He also have 10 ADSL connections for internet connectivity (all from single ISP). We want to setup the environment in the following way: we have 2 D-Link simple switches with 24 ports. What we wanted to do is to connect all ADSL modems to [...]
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| August 28, 2008 7:45 AM
ADSL, DSL, interconnectivity, IP, Network, Network collision, Network connectivity, Network design, Switches
Cabling and accessories amounts
First, let me say thank you in advance to anyone who helps me out. I’ve been charged with the task of figuring out how much cabling and accessories I need to get quotes for for hooking up 46 – Netgear FSM7326P switches to 185 desktop computers. I don’t know the size of the office and [...]
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| August 29, 2008 10:54 PM
Cabling, Netgear FSM7326P, Network design, Switches
First, let me say thank you in advance to anyone who helps me out. I’ve been charged with the task of figuring out how much cabling and accessories I need to get quotes for for hooking up 46 – Netgear FSM7326P switches to 185 desktop computers. I don’t know the size of the office and [...]
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| August 29, 2008 10:54 PM
Cabling, Netgear FSM7326P, Network design, Switches
Do I have to provide each PC with an IP address when using an unmanaged switch?
Hi, I have a modem/router provided by a service provider which I connected to a 24 port unmanaged SWITCH (linksys sr224), the current TCP/IP setting in all of my pc is in automatically obtained mode. Everytime the modem/router of the service provider is broken or not connected, my local area network is also having problems [...]
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| August 26, 2008 4:48 AM
Cisco, IP address, Linksys SR224, Switches, Unmanaged Switches
Hi, I have a modem/router provided by a service provider which I connected to a 24 port unmanaged SWITCH (linksys sr224), the current TCP/IP setting in all of my pc is in automatically obtained mode. Everytime the modem/router of the service provider is broken or not connected, my local area network is also having problems [...]
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| August 26, 2008 4:48 AM
Cisco, IP address, Linksys SR224, Switches, Unmanaged Switches
Configuring a Foundry Switch
I am not a Network Specialist, but I do know a small amount about configuring a CISCO switch. However, I have been asked to configure a Foundry Switch. I am having problems with a few commands and maybe someone out there can help me out. Here is what I’m getting when I try and configure [...]
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| September 10, 2008 11:10 PM
Cisco, Foundry Switches, Switches
I am not a Network Specialist, but I do know a small amount about configuring a CISCO switch. However, I have been asked to configure a Foundry Switch. I am having problems with a few commands and maybe someone out there can help me out. Here is what I’m getting when I try and configure [...]
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| September 10, 2008 11:10 PM
Cisco, Foundry Switches, Switches
Ethernet layer 2 and (VLAN)?
What role does an Ethernet layer 2 switch play in virtual local-area networks (VLAN)?
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| August 21, 2008 3:57 PM
Ethernet, Layer 2 switches, Switches, VLAN, VLAN software
What role does an Ethernet layer 2 switch play in virtual local-area networks (VLAN)?
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| August 21, 2008 3:57 PM
Ethernet, Layer 2 switches, Switches, VLAN, VLAN software
vlan trunking commands
sir can u please tell me can we able to trunk one vlan to another vlan in same switch.switch is cisco 3560 series switch.if so what will the commands..
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| August 19, 2008 11:03 AM
Cisco, Cisco 3560, Switches, VLAN, VLAN trunking
sir can u please tell me can we able to trunk one vlan to another vlan in same switch.switch is cisco 3560 series switch.if so what will the commands..
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| August 19, 2008 11:03 AM
Cisco, Cisco 3560, Switches, VLAN, VLAN trunking
redundancy
what are the advantages and disadvantages of redundancy ? Thanks in advance to those who answer.
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| August 18, 2008 3:43 PM
Redundancy, Switches
what are the advantages and disadvantages of redundancy ? Thanks in advance to those who answer.
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| August 18, 2008 3:43 PM
Redundancy, Switches
Switches and routers needed for Call Center?
Hello, I am putting together a Call Centre for a non-profit organization. I will be running 10 workstations and 10 VOIP phones. I have acquired 10 CP7960’s. What switches and routers do I need to put this call centre together and run the phones with power over Ethernet? Thank you.
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| August 18, 2008 2:09 PM
Call Centers, Routers, Switches
Hello, I am putting together a Call Centre for a non-profit organization. I will be running 10 workstations and 10 VOIP phones. I have acquired 10 CP7960’s. What switches and routers do I need to put this call centre together and run the phones with power over Ethernet? Thank you.
Answer Question
| August 18, 2008 2:09 PM
Call Centers, Routers, Switches
Cisco Catalyst Express 520 Switch Console?
I have just taken delivery of a the above mentioned switch. It doesnt have a console port, does anyone have any idea how to access the IOS?
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| March 24, 2009 11:51 AM
Cisco, Cisco Catalyst 520, Cisco IOS, Cisco switches, Switches
I have just taken delivery of a the above mentioned switch. It doesnt have a console port, does anyone have any idea how to access the IOS?
Answer Question
| March 24, 2009 11:51 AM
Cisco, Cisco Catalyst 520, Cisco IOS, Cisco switches, Switches
Chain 2 3COM 8 Switches without loosing speed
Hi, I have 2 3COM Gigabit 8 Switches chained with a network cable that connects them. The problem is that when i want to copy something from a computer connected to Switch 1 to a computer connected into “Switch 2″, the speed never goes over 3 kbs (which is much much slower than when i [...]
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| September 11, 2008 4:30 PM
3Com, Network architecture, Switches
Hi, I have 2 3COM Gigabit 8 Switches chained with a network cable that connects them. The problem is that when i want to copy something from a computer connected to Switch 1 to a computer connected into “Switch 2″, the speed never goes over 3 kbs (which is much much slower than when i [...]
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| September 11, 2008 4:30 PM
3Com, Network architecture, Switches
