Connecting data closet switches to the core with redundant links
I’m moving our flat network which covers a three-story building and about 450 users to a subnetted network. I would like to know about connecting data closet switches to the core with redundant links. Can I implement OSPF on the core and connecting switches and eliminate spanning tree? In this environment do I really need [...]
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| June 2, 2009 1:15 PM
Cisco 6509, Cisco switches, Core, core networking, Networking, OSPF, Protocols, Routing and switching, spanning tree, Subnetting, Switches, VLAN, VSS
I’m moving our flat network which covers a three-story building and about 450 users to a subnetted network. I would like to know about connecting data closet switches to the core with redundant links. Can I implement OSPF on the core and connecting switches and eliminate spanning tree? In this environment do I really need [...]
Answer Question
| June 2, 2009 1:15 PM
Cisco 6509, Cisco switches, Core, core networking, Networking, OSPF, Protocols, Routing and switching, spanning tree, Subnetting, Switches, VLAN, VSS
How to put Access Control List in Cisco WS-C2960-24TT-L
What are the commands to put Access control List in cisco WS – C2960-24TTL
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| May 29, 2009 9:14 AM
Access Control List, Cisco, Cisco Catalyst 2960-24TT, Cisco switch configuration, Cisco switches, Switch configuration, Switches
What are the commands to put Access control List in cisco WS – C2960-24TTL
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| May 29, 2009 9:14 AM
Access Control List, Cisco, Cisco Catalyst 2960-24TT, Cisco switch configuration, Cisco switches, Switch configuration, Switches
Optimizing traffic between two Netgear GSM7328s layer 3 switches.
We have a WAN link running 100Mbps with Netgear GSM7328s switches at each end, this carries traffic between our main site, and our DR site, which also has our primary internet link as it’s located in the same hosting center as our ISP’s kit. Nightly cross-site backups swamp the link, and this has caused problems [...]
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| August 26, 2010 2:02 PM
Layer 3 switches, Netgear, Netgear GSM7328, Network traffic management, QoS configuration, Switches, WAN optimization
We have a WAN link running 100Mbps with Netgear GSM7328s switches at each end, this carries traffic between our main site, and our DR site, which also has our primary internet link as it’s located in the same hosting center as our ISP’s kit. Nightly cross-site backups swamp the link, and this has caused problems [...]
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| August 26, 2010 2:02 PM
Layer 3 switches, Netgear, Netgear GSM7328, Network traffic management, QoS configuration, Switches, WAN optimization
Configuring trunk port in Dell PowerConnect 6248
when i configured trunk port in dell 6248 switch, it gets hangs. what the issue. also it won’t allow vlan-1 traffic to pass through. Pls. suggest what to do??
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| October 10, 2011 11:56 AM
Dell PowerConnect 6248, Switch configuration, Switches, VLAN, VLAN configuration, VLAN Routing, VLAN trunk port
when i configured trunk port in dell 6248 switch, it gets hangs. what the issue. also it won’t allow vlan-1 traffic to pass through. Pls. suggest what to do??
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| October 10, 2011 11:56 AM
Dell PowerConnect 6248, Switch configuration, Switches, VLAN, VLAN configuration, VLAN Routing, VLAN trunk port
Bind IP subnet to VLAN in Dell L3 switch
when I bind an IP subnet to dell 6224 switch, does it mean when i plug in a pc within tat particular subnet will directly be in that VLAN? Example: i type in “vlan association subnet 10.0.1.0 255.255.255.0 10″ to bind subnet 10.0.1.0 to VLAN 10. so is it when i plug in a PC [...]
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| February 29, 2012 4:34 AM
Dell PowerConnect 6224, L3 Switches, Layer 3 switches, Subnets, Switch configuration, Switches, VLAN, VLAN configuration
when I bind an IP subnet to dell 6224 switch, does it mean when i plug in a pc within tat particular subnet will directly be in that VLAN? Example: i type in “vlan association subnet 10.0.1.0 255.255.255.0 10″ to bind subnet 10.0.1.0 to VLAN 10. so is it when i plug in a PC [...]
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| February 29, 2012 4:34 AM
Dell PowerConnect 6224, L3 Switches, Layer 3 switches, Subnets, Switch configuration, Switches, VLAN, VLAN configuration
Enabling communication between different VLANs using switches
I have 3 switches A, B and C; connected to each other (may or may not be a trunk link). Switch A has a user at VLAN 10 and Switch C has a user at VLAN 10. Any communication between A & C has to pass through Switch B. So can Switch A user ping [...]
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| February 10, 2010 7:28 PM
Networking, Switches, Trunking, VLAN
I have 3 switches A, B and C; connected to each other (may or may not be a trunk link). Switch A has a user at VLAN 10 and Switch C has a user at VLAN 10. Any communication between A & C has to pass through Switch B. So can Switch A user ping [...]
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| February 10, 2010 7:28 PM
Networking, Switches, Trunking, VLAN
How to check the loop in Cisco switch
How do I check the loop in Cisco switch?
Answer Question
| April 19, 2013 9:41 AM
Cisco switches, Network administration, Network loop, Switches
How do I check the loop in Cisco switch?
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| April 19, 2013 9:41 AM
Cisco switches, Network administration, Network loop, Switches
VLAN setup and configuration
We have 2 switches with different ip range say 10.1.10.0 and 10.1.15.0.I want to connect both the switches with same vlan say vlan 4 so that they can communicate.switch 1 should be valn 2 and vlan 4 but switch 2 should be vlan 4.
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| April 28, 2009 6:44 AM
IP range, Network administration, Switch configuration, Switches, VLAN configuration, VLAN Setup, VLAN Trunking Protocol
We have 2 switches with different ip range say 10.1.10.0 and 10.1.15.0.I want to connect both the switches with same vlan say vlan 4 so that they can communicate.switch 1 should be valn 2 and vlan 4 but switch 2 should be vlan 4.
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| April 28, 2009 6:44 AM
IP range, Network administration, Switch configuration, Switches, VLAN configuration, VLAN Setup, VLAN Trunking Protocol
telnet feature in Netgear Smart Switches
I have a handful of netgear FS726TP and FS728TP switches deployed in this organization. The FS728′s have a MAC address and IP table feature, but I cannot find the same functionality in the FS726s. I want to telnet into the device from CMD, but I am receiving the normal error: “Could not open connection to [...]
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| April 20, 2009 1:11 PM
MAC Address Table, Netgear FS726TP, Netgear Smart Switches, Netgear switches, Switches, Telnet
I have a handful of netgear FS726TP and FS728TP switches deployed in this organization. The FS728′s have a MAC address and IP table feature, but I cannot find the same functionality in the FS726s. I want to telnet into the device from CMD, but I am receiving the normal error: “Could not open connection to [...]
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| April 20, 2009 1:11 PM
MAC Address Table, Netgear FS726TP, Netgear Smart Switches, Netgear switches, Switches, Telnet
How to identify the users in the network
I am working on my Masters Project in which I am supposed to design a Network Monitoring tool which will identify the users in the network based on their network behavior. I have a network setup with 4 systems connected to a Switch –> Router –> Internet. I connected another system to the same switch [...]
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| April 15, 2009 6:18 PM
Network design, Network security, Network Topology, Routers, Switches, Wireshark
I am working on my Masters Project in which I am supposed to design a Network Monitoring tool which will identify the users in the network based on their network behavior. I have a network setup with 4 systems connected to a Switch –> Router –> Internet. I connected another system to the same switch [...]
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| April 15, 2009 6:18 PM
Network design, Network security, Network Topology, Routers, Switches, Wireshark
Port security for Switches
Switch(config)#interface fastEthernet 0/1 Switch(config-if)#switchport port-security Command rejected: FastEthernet0/1 is a dynamic port. why is that happening
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| April 9, 2009 6:57 AM
Ethernet, Network security, Switch configuration, Switch security, Switches
Switch(config)#interface fastEthernet 0/1 Switch(config-if)#switchport port-security Command rejected: FastEthernet0/1 is a dynamic port. why is that happening
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| April 9, 2009 6:57 AM
Ethernet, Network security, Switch configuration, Switch security, Switches
On a Cisco Catalyst 6500, both supervisor cards in hybrid mode sync up automatically in terms of both operating system and configuration
On a Cisco Catalyst 6500, both supervisor cards in hybrid mode sync up automatically in terms of both operating system and configuration
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| April 7, 2009 8:19 PM
Cisco Catalyst, Cisco Catalyst 6500, Cisco switches, Switches
On a Cisco Catalyst 6500, both supervisor cards in hybrid mode sync up automatically in terms of both operating system and configuration
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| April 7, 2009 8:19 PM
Cisco Catalyst, Cisco Catalyst 6500, Cisco switches, Switches
Fiber Ports on Cisco 2950 24 port switch
I have fiber connected to my 2950 but it does not work. I did a light test with the fiber strands and they are good. Is there anything else tyhat I am missing that must be done.
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| May 14, 2009 12:22 PM
Cisco 295, Cisco switches, Fiber optic networking, Fiber Ports, Switches
I have fiber connected to my 2950 but it does not work. I did a light test with the fiber strands and they are good. Is there anything else tyhat I am missing that must be done.
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| May 14, 2009 12:22 PM
Cisco 295, Cisco switches, Fiber optic networking, Fiber Ports, Switches
multiple lans, subnets, dsl connections on the same cables
well this is my first post and its a doosie. At lewast for me. Looking for an all wise network guru!! =] we had an existing network consisting of 10pc’s, a win2k server and a dsl connection. all was fine… dsl router:192.168.0.1 server: 192.168.0.10, 192.168.0.50 easy as pie… now we are partners with a spanish [...]
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| March 23, 2009 7:43 PM
DSL, HP ProCurve, LAN, LAN configuration, Multiple LANs, Routing and switching, Subnets, Switches, Windows 2000 Server
well this is my first post and its a doosie. At lewast for me. Looking for an all wise network guru!! =] we had an existing network consisting of 10pc’s, a win2k server and a dsl connection. all was fine… dsl router:192.168.0.1 server: 192.168.0.10, 192.168.0.50 easy as pie… now we are partners with a spanish [...]
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| March 23, 2009 7:43 PM
DSL, HP ProCurve, LAN, LAN configuration, Multiple LANs, Routing and switching, Subnets, Switches, Windows 2000 Server
Configuring Qtrunk ports on FS728TS Switch
I need to connect two switch FS728TS. I have 3 Vlan in each switch. How can I configure the common ports of every switch to achieve the 6 Vlans traffic flow on this link
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| March 19, 2009 12:49 PM
Netgear FS728TS, Qtrunk Ports, Switches, VLAN, VLAN Setup
I need to connect two switch FS728TS. I have 3 Vlan in each switch. How can I configure the common ports of every switch to achieve the 6 Vlans traffic flow on this link
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| March 19, 2009 12:49 PM
Netgear FS728TS, Qtrunk Ports, Switches, VLAN, VLAN Setup
Routing Public Emergency Calls Based on Cell of Origin
Is it possible to route emergency calls based on the Cell of origin? In a private network, there is one subscriber who wants all emergency calls originating in one specific area to be routed to a special emergency desk. All other emergency calls within the network would be routed to a different desk.
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| August 10, 2009 11:24 AM
Call Centers, Cisco switches, Networking, Nortel, Switches, Tech support, Telecom, VPN, Wireless
Is it possible to route emergency calls based on the Cell of origin? In a private network, there is one subscriber who wants all emergency calls originating in one specific area to be routed to a special emergency desk. All other emergency calls within the network would be routed to a different desk.
Answer Question
| August 10, 2009 11:24 AM
Call Centers, Cisco switches, Networking, Nortel, Switches, Tech support, Telecom, VPN, Wireless
Will having a router between each switch improve performance?
Will having a router between each switch improve performance on a network?
Answer Question
| March 13, 2009 2:26 AM
Network design, Network performance, Routers, Switches
Will having a router between each switch improve performance on a network?
Answer Question
| March 13, 2009 2:26 AM
Network design, Network performance, Routers, Switches
Securing against rogue DHCP servers
Looking for an example of how to configure Cisco DHCP snooping. Can someone provide example settings – or point me in the right direction? Many thanks. Moderator Note: This is a user submitted question
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| March 13, 2009 4:48 PM
Cisco switch configuration, Cisco switches, DHCP security, DHCP snooping, Dynamic Host Configuration Protocol, Switch configuration, Switches
Looking for an example of how to configure Cisco DHCP snooping. Can someone provide example settings – or point me in the right direction? Many thanks. Moderator Note: This is a user submitted question
Answer Question
| March 13, 2009 4:48 PM
Cisco switch configuration, Cisco switches, DHCP security, DHCP snooping, Dynamic Host Configuration Protocol, Switch configuration, Switches
How can i configure a port for multiple vlan at Netgear FS728TS (like “trunk port” at cisco switch)
i have an Netgear FS728TS switch and i have to use 2 vlan with an cisco switch. (i have no problem about cisco switch configuration) vlan name=Default vlan ID=1 vlan name=AP vlan ID=307 there is F/O cable connection between two switches. 1/g1 port using for this F/O connection at Netgear switch. in my configuration ; [...]
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| May 8, 2009 12:28 PM
Cisco switches, Netgear FS728TS, Netgear switches, Switches, VLAN configuration, VLAN hardware, VLAN Setup
i have an Netgear FS728TS switch and i have to use 2 vlan with an cisco switch. (i have no problem about cisco switch configuration) vlan name=Default vlan ID=1 vlan name=AP vlan ID=307 there is F/O cable connection between two switches. 1/g1 port using for this F/O connection at Netgear switch. in my configuration ; [...]
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| May 8, 2009 12:28 PM
Cisco switches, Netgear FS728TS, Netgear switches, Switches, VLAN configuration, VLAN hardware, VLAN Setup
Performance of Cisco 3750 Layer 3 switch
Hi guys, I have a cisco 3750 series L3 switch. It can currently handle 3GB of L2 traffic with no problem, but when faced with 40MB of L3 traffic, CPU utilization shot so high that I can’t even telnet to the switch. Could anyone enlighten me please? Thanks in advance!!
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| May 14, 2009 4:15 AM
Cisco 3750, Cisco 3750 configuration, Cisco switch configuration, Cisco switches, L3 switch, L3 Switches, Layer 3 switch, Layer 3 switches, Switch configuration, Switches
Hi guys, I have a cisco 3750 series L3 switch. It can currently handle 3GB of L2 traffic with no problem, but when faced with 40MB of L3 traffic, CPU utilization shot so high that I can’t even telnet to the switch. Could anyone enlighten me please? Thanks in advance!!
Answer Question
| May 14, 2009 4:15 AM
Cisco 3750, Cisco 3750 configuration, Cisco switch configuration, Cisco switches, L3 switch, L3 Switches, Layer 3 switch, Layer 3 switches, Switch configuration, Switches
