Multiple public IP’s from 1 internet connection on different networks?
Is this a possible scenario? A cable modem is hooked up via ethernet to a Linksys 5-port switch. That switch is then hooked to a Cisco SOHO router (not managed by me) and my Linksys router. I cannot get my public IP to work on my router but the Cisco routers public ip comes up [...]
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| March 9, 2009 9:14 PM
Cisco Routers, Internet access, IP address, Linksys, Network design, Router Troubleshooting, Switches
Is this a possible scenario? A cable modem is hooked up via ethernet to a Linksys 5-port switch. That switch is then hooked to a Cisco SOHO router (not managed by me) and my Linksys router. I cannot get my public IP to work on my router but the Cisco routers public ip comes up [...]
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| March 9, 2009 9:14 PM
Cisco Routers, Internet access, IP address, Linksys, Network design, Router Troubleshooting, Switches
How to rate limit on Cisco Catalyst 3550-EMI
Hello, I have a cisco switch 3550 EMI and I need to do rate limiting on ethernet ports. class-map match-all 5M description 5M with 500K burst ! policy-map 5M class 5M police 5120000 51200 exceed-action drop interface FastEthernet0/3 switchport access vlan 100 switchport mode dynamic desirable speed 100 duplex full service-policy input 5M service-policy output [...]
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| March 2, 2009 12:48 AM
Bandwidth limits, Bandwidth management, Cisco, Cisco 3550, Cisco Catalyst 3550, Cisco Catalyst 3550-EMI, Cisco switch configuration, Switch configuration, Switches
Hello, I have a cisco switch 3550 EMI and I need to do rate limiting on ethernet ports. class-map match-all 5M description 5M with 500K burst ! policy-map 5M class 5M police 5120000 51200 exceed-action drop interface FastEthernet0/3 switchport access vlan 100 switchport mode dynamic desirable speed 100 duplex full service-policy input 5M service-policy output [...]
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| March 2, 2009 12:48 AM
Bandwidth limits, Bandwidth management, Cisco, Cisco 3550, Cisco Catalyst 3550, Cisco Catalyst 3550-EMI, Cisco switch configuration, Switch configuration, Switches
How to set QoS for users connected to ever-changing switch ports
We have a large enterprise network based primarily on Alcatel-Lucent switches that support QoS, and we are implementing video-conferencing based on Polycom equipment. Setting QoS on switch ports for Polycom appliances is not much of a problem, but we are about to roll out video conferencing software for use on staff PCs and laptops. How [...]
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| June 29, 2011 2:11 AM
802.1x, Alcatel-Lucent, enterprise networking, Enterprise networks, Network hardware, Networking, Polycom, Ports, Project management, QoS, Quality of Service, Switches, VoIP QoS
We have a large enterprise network based primarily on Alcatel-Lucent switches that support QoS, and we are implementing video-conferencing based on Polycom equipment. Setting QoS on switch ports for Polycom appliances is not much of a problem, but we are about to roll out video conferencing software for use on staff PCs and laptops. How [...]
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| June 29, 2011 2:11 AM
802.1x, Alcatel-Lucent, enterprise networking, Enterprise networks, Network hardware, Networking, Polycom, Ports, Project management, QoS, Quality of Service, Switches, VoIP QoS
Switch to Switch LAN cable configuration in Windows XP
Kindly explain how to do Switch to Switch LAN Cable Configuration in XP with work group.
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| February 24, 2009 10:39 AM
LAN, LAN configuration, Network administration, Network design, Switches, Window XP
Kindly explain how to do Switch to Switch LAN Cable Configuration in XP with work group.
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| February 24, 2009 10:39 AM
LAN, LAN configuration, Network administration, Network design, Switches, Window XP
Applying no IP route-cache on VLAN interfaces in a Layer 3 switch
Is it necessary to apply no IP route cache on virtual local area networks (VLAN) interfaces in an L3 switch and why? What are the advantages or disadvantages?
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| February 11, 2009 6:40 PM
IP routing protocols, L3 Switches, Layer 3 switches, Networking, Switches, Virtual LAN, VLAN
Is it necessary to apply no IP route cache on virtual local area networks (VLAN) interfaces in an L3 switch and why? What are the advantages or disadvantages?
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| February 11, 2009 6:40 PM
IP routing protocols, L3 Switches, Layer 3 switches, Networking, Switches, Virtual LAN, VLAN
How does ATM differ from existing network technology?
How does an ATM differ from existing network technology?
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| June 16, 2012 10:26 PM
Asynchronous Transfer Mode, ATM, ATM Switches, Routing and switching, Switches
How does an ATM differ from existing network technology?
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| June 16, 2012 10:26 PM
Asynchronous Transfer Mode, ATM, ATM Switches, Routing and switching, Switches
Efficiency differences between circuit switching and virtual switching
Which is more efficient: circuit switching or virtual circuit switching and why?
Answer Question
| February 9, 2009 4:14 PM
Circuit switching, efficient, Network hardware, Networking, Switches, Switching, Switching equipment, virtual switch
Which is more efficient: circuit switching or virtual circuit switching and why?
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| February 9, 2009 4:14 PM
Circuit switching, efficient, Network hardware, Networking, Switches, Switching, Switching equipment, virtual switch
Which switch in my IP-based CCTV system project will combine camera controls?
I need some help in selecting devices for an IP-based CCTV system project: We have 3 towers; each consists of 25 floors. A consultant planned to centralize the monitoring of 3 tower cameras in a security room on the ground floor. But before, the NVR was placed in each tower on the 5th floor. I [...]
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| February 6, 2009 10:40 PM
Ip-based networks, Network device management, Network device management (configuration and deployment, Network devices, Network equipment, Networking, Patch panels, Switches
I need some help in selecting devices for an IP-based CCTV system project: We have 3 towers; each consists of 25 floors. A consultant planned to centralize the monitoring of 3 tower cameras in a security room on the ground floor. But before, the NVR was placed in each tower on the 5th floor. I [...]
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| February 6, 2009 10:40 PM
Ip-based networks, Network device management, Network device management (configuration and deployment, Network devices, Network equipment, Networking, Patch panels, Switches
How to connect leased line to two locations without router
I have one 2mbps point to point lease line and two g.703 modem and want to connect two locations having same network wiht that lease line without any router only wiht the help of cisco swith please send me the diagram for the same and tell me how to do that?
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| February 12, 2009 8:29 AM
Cisco switch configuration, Cisco switches, Leased line, Leased line management, Network design, Switch configuration, Switches
I have one 2mbps point to point lease line and two g.703 modem and want to connect two locations having same network wiht that lease line without any router only wiht the help of cisco swith please send me the diagram for the same and tell me how to do that?
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| February 12, 2009 8:29 AM
Cisco switch configuration, Cisco switches, Leased line, Leased line management, Network design, Switch configuration, Switches
Hub, router and switch
What is the difference? How do you know which one to use? Thanks.
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| February 26, 2013 1:02 PM
Hubs, Networking hardware, Routers, SDN, Switches
What is the difference? How do you know which one to use? Thanks.
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| February 26, 2013 1:02 PM
Hubs, Networking hardware, Routers, SDN, Switches
When not to use a Layer 3 switch over a router
If a Layer 3 switch is faster than a router, why can’t we use an L3 in place of a router?
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| February 27, 2013 3:57 PM
L3 Switches, Layer 3 switches, Networking Equipment, Networking hardware, Routers, SDN, Switches
If a Layer 3 switch is faster than a router, why can’t we use an L3 in place of a router?
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| February 27, 2013 3:57 PM
L3 Switches, Layer 3 switches, Networking Equipment, Networking hardware, Routers, SDN, Switches
What are the similarities in Cisco and HP ProCurve switching protocols?
like layer 2 protocol in cisco called VTP , while in hp procurve is called GARP , I need to know the other similarities in both for layer 2,3
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| August 30, 2009 9:26 AM
Cisco, Cisco switches, Cisco VTP, GARP, Generic Attribute Registration Protocol, HP, HP switches, Layer 2, Layer 2 switches, Layer 3, Layer 3 switches, Network protocols, Switch configuration, Switches, VLAN Trunk Protocol
like layer 2 protocol in cisco called VTP , while in hp procurve is called GARP , I need to know the other similarities in both for layer 2,3
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| August 30, 2009 9:26 AM
Cisco, Cisco switches, Cisco VTP, GARP, Generic Attribute Registration Protocol, HP, HP switches, Layer 2, Layer 2 switches, Layer 3, Layer 3 switches, Network protocols, Switch configuration, Switches, VLAN Trunk Protocol
How many switches can you have in a network?
What happens if I add more switches in the network? Is there any limitation or any calculation for that?
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| January 28, 2009 2:21 AM
Calculations, Network design, Networking, Networks, Routing and switching, Switches
What happens if I add more switches in the network? Is there any limitation or any calculation for that?
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| January 28, 2009 2:21 AM
Calculations, Network design, Networking, Networks, Routing and switching, Switches
configure DHCP over VLAN’s windows server 2003
My question is how to configure DHCP over VLAN’s. At present in my company DHCP is running without any VLAN’s setup but know as our network extend and also for the security reasons i want to implement VLAN’s in the switch. Then what about my DHCP how it works, what is the configuration requirement & [...]
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| January 27, 2009 9:33 PM
DHCP, DHCP server, Switches, VLAN, VLAN configuration, Windows Server 2003
My question is how to configure DHCP over VLAN’s. At present in my company DHCP is running without any VLAN’s setup but know as our network extend and also for the security reasons i want to implement VLAN’s in the switch. Then what about my DHCP how it works, what is the configuration requirement & [...]
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| January 27, 2009 9:33 PM
DHCP, DHCP server, Switches, VLAN, VLAN configuration, Windows Server 2003
QoS value configuration in Cisco 4506 switch
One of our customer required QOS value to be set in two vlan interfaces, they have the required values are as below: 802.1P/Q PARAMETERS IPSI Control Diff Serv. Â 48 Call Control 802.1p Priority 40 Audio 802.1p Priority 46 Video 802.1p Priority n/a DIFFSERV/TOS PARAMETERS IPSI Control 802.1p 6 Call Control PHB Value 5 Audio PHB [...]
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| January 26, 2009 2:07 AM
Cisco, Cisco 4506, Cisco Catalyst 4506 Switch, Cisco QoS configuration, Cisco switch configuration, Cisco switches, QoS configuration, Switch configuration, Switches, VLAN
One of our customer required QOS value to be set in two vlan interfaces, they have the required values are as below: 802.1P/Q PARAMETERS IPSI Control Diff Serv. Â 48 Call Control 802.1p Priority 40 Audio 802.1p Priority 46 Video 802.1p Priority n/a DIFFSERV/TOS PARAMETERS IPSI Control 802.1p 6 Call Control PHB Value 5 Audio PHB [...]
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| January 26, 2009 2:07 AM
Cisco, Cisco 4506, Cisco Catalyst 4506 Switch, Cisco QoS configuration, Cisco switch configuration, Cisco switches, QoS configuration, Switch configuration, Switches, VLAN
Virtualization’s impact on drivers and switches
What is virtualization’s impact on HBA drivers and zoning switches?
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| January 23, 2009 8:44 PM
Drivers, HBA, Switches, Virtualization and hardware
What is virtualization’s impact on HBA drivers and zoning switches?
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| January 23, 2009 8:44 PM
Drivers, HBA, Switches, Virtualization and hardware
Port Forwarding with Cisco 3560
Hi Friends, I have a small requirement. please see my configuration. i have an L3 switch (Cisco 3560) series and now i am forwarding all the traffic from my network to Firewall from L3 switch through this default route ” ip route 0.0.0.0 0.0.0.0 10.11.12.2″ where 10.11.12.1 is my L3 switch 10.11.12.2 is my firewall [...]
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| February 2, 2009 11:53 AM
Cisco, Cisco 3560, L3 Switches, Layer 3, Layer 3 switches, Network administration, Port 445, Port 80, Port forwarding, SMB over IP, Switch configuration, Switches
Hi Friends, I have a small requirement. please see my configuration. i have an L3 switch (Cisco 3560) series and now i am forwarding all the traffic from my network to Firewall from L3 switch through this default route ” ip route 0.0.0.0 0.0.0.0 10.11.12.2″ where 10.11.12.1 is my L3 switch 10.11.12.2 is my firewall [...]
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| February 2, 2009 11:53 AM
Cisco, Cisco 3560, L3 Switches, Layer 3, Layer 3 switches, Network administration, Port 445, Port 80, Port forwarding, SMB over IP, Switch configuration, Switches
How to confiqure QoS in Cisco 6500 Switches
Dear Friends, I am planning to configure QOS in our network which comprises of Cisco 6500 Series Swicthes as Core/Distribution and Cisco 3560 Switches as Edge Swicthes. We don’t have any IP telephony services. Please let me know the sample configurations.
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| December 23, 2008 7:34 AM
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco switch QoS, Cisco switches, Edge switches, QoS, QoS configuration, Quality of Service, Switch configuration, Switches
Dear Friends, I am planning to configure QOS in our network which comprises of Cisco 6500 Series Swicthes as Core/Distribution and Cisco 3560 Switches as Edge Swicthes. We don’t have any IP telephony services. Please let me know the sample configurations.
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| December 23, 2008 7:34 AM
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco switch QoS, Cisco switches, Edge switches, QoS, QoS configuration, Quality of Service, Switch configuration, Switches
4 VLANS, 3 locations, 3 Routers, No communication between Lans or VLANs
OK, here is my problem, I’m working on a project in the Test phase right now. I have 3 routers (Cisco 2811s), all running EIGRP, these are seperating 3 goegraphical regions. Each of these Routers is linked via Trunking line to a Switch which has 4 VLANs enable. According to everything I have found in [...]
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| December 16, 2008 5:54 PM
Cisco 2811, Cisco Routers, Networking, Routers, Routing protocols, Switches, Trunking, VLAN
OK, here is my problem, I’m working on a project in the Test phase right now. I have 3 routers (Cisco 2811s), all running EIGRP, these are seperating 3 goegraphical regions. Each of these Routers is linked via Trunking line to a Switch which has 4 VLANs enable. According to everything I have found in [...]
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| December 16, 2008 5:54 PM
Cisco 2811, Cisco Routers, Networking, Routers, Routing protocols, Switches, Trunking, VLAN
SFP module and Optical Fibre Cable
HI TO ALL…I WOULD LIKE TO ASK THE FOLLOWING QUESTION. I HAVE A 48 PORT HP PROCURVE SWITCH THAT NEEDS TO BE CONNECTED WITH A 24 PORT HP PROCURVE SWITCH USING A GIGABIT SFP MODULE.THE OPTICAL FIBRE PATCH CABLE IS 62 AND A HALF MULTIMODE SC-LC CONNECTOR TYPE CABLE.THE SFP MODULE HAS A TRANSMITTING AND [...]
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| December 15, 2008 3:47 PM
Cabling, HP ProCurve, Network cabling, Network design, Optical fiber, SFP modules, Small Form-Factor Pluggable modules, Switch configuration, Switches
HI TO ALL…I WOULD LIKE TO ASK THE FOLLOWING QUESTION. I HAVE A 48 PORT HP PROCURVE SWITCH THAT NEEDS TO BE CONNECTED WITH A 24 PORT HP PROCURVE SWITCH USING A GIGABIT SFP MODULE.THE OPTICAL FIBRE PATCH CABLE IS 62 AND A HALF MULTIMODE SC-LC CONNECTOR TYPE CABLE.THE SFP MODULE HAS A TRANSMITTING AND [...]
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| December 15, 2008 3:47 PM
Cabling, HP ProCurve, Network cabling, Network design, Optical fiber, SFP modules, Small Form-Factor Pluggable modules, Switch configuration, Switches
