Switches Questions


Loadsharing between two ISPs
dear sir, I am looking for a load sharing solution between 2 leased lines for 2 different ISPs the diagram goes lke this: LAN–>Cisco Pix–>Router–>2 leased lines. can load-sharing be done at the router without extra configuration at the providers side? can CEF (cisco express forwarding) be used with static routes? if yes please verify [...]

Answer Question   |  December 28, 2005  10:15 AM
Access control, Availability, backdoors, Bandwidth, Browsers, Cabling, Cisco, Current threats, DHCP, DNS, Ethernet, filtering, Firewalls, Forensics, Hacking, Hardware, Hubs, human factors, Incident response, Intrusion management, IPv4, Network security, Network testing, Networking, Networking services, Performance management, Routers, Servers, Spyware, SSL/TLS, Switches, TCP, Trojans, Viruses, VPN, Web security, Web site design & management, Wireless, worms
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0 pts.

Adding two addtional SAN switches to the Fabric
I have an HP eva5000 SAN with 2 contollers and 2 x 16 ports brocade switches – I have purchased two addtional 16 port brocade san switches – how do I go about adding them to the fabric? Core Edge design maybe?

Answer Question   |  July 24, 2008  7:51 PM
Brocade Switches, EVA5000, SAN, SAN switches, Switches
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0 pts.

Remote Syslog with MySQL and PHP
Dear All, i want to set up a Remote Syslog with MySQL and PHP on system with whitebox linux,can some tell me a step by step on how to install and configure this,also the requirement needed to complete the task Regards Edwin

Answer Question   |  December 22, 2005  4:43 AM
3Com, Active Directory, Availability, Avaya, Bandwidth, Benchmarking, Billing and customer care, Billing Support Systems, Bind, Cabling, Cisco, Dell, Development, DHCP, DNS, Enterasys, Enterprise Desktop, Ethernet, Fault isolation, FDDI, Foundry, Frame Relay, H.323, Hardware, Hewlett-Packard, Hubs, IPv4, IPv6, Juniper Networks, Linux, Lucent, MPLS, MySQL, NetBIOS, Network management software, Network monitoring, Network protocols, Networking, Networking services, Nortel, Novell IPX/SPX, Performance management, Protocol analysis, Remote management, Routers, SIP, Switches, TCP
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0 pts.

LAN connectivity problem
I have a Compaq EVO n1020v notebook. This works fine in our office LAN and soemtimes it does not at all. Office LAN is a workgroup with ICS enabled in win 2K server. If I check the IP of the notebook it shows the IP of the LAN but never connects to the internet, can’t [...]

Answer Question   |  December 9, 2005  1:35 AM
Business/IT alignment, Cabling, CRM, Data analysis, Data mining/analysis, Data warehousing applications, DataCenter, DataManagement, Desktop management applications, Desktops, DHCP, DNS, E-business, Ecommerce applications, Ethernet, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Management, Microsoft Office, Microsoft Windows, Network management software, Network monitoring, Network protocols, Network security, Networking, Networking services, NIC, OS, Patch management, Routers, Security, Servers, Software, SQL Server, Switches, TCP, Tech support, Training, VPN, Wireless
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10 pts.

routing between vlans
on layer 3 switch (3com 4900).. I added 3 ip interfaces,one interface defined for each vlan with difrenet subnet. without enabling any routing protocol ,I achieved a communicattion between two pc’s that belong to diferent vlans . is there any internal routing between the ip interfaces on layer3 switches?..and how can I stop it ?

Answer Question   |  February 5, 2008  2:04 AM
3Com, Cabling, Cisco, Hardware, Hubs, Networking, Routers, Switches, Tech support
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0 pts.

Cisco 7606 Vs. the compitition, Foundry XMR series or other.
My company is looking to purchase a new router, we are looking at expanding our cable tv division down the road with video/ video on demand and need to upgrade our current router due to bandwidth constraints, my question is does anyone have a different router good or bad. All answers are welcome and encouraged. [...]

Answer Question   |  December 2, 2005  9:22 AM
Availability, Bandwidth, Budgeting, Business/IT alignment, Cabling, Cisco, DataManagement, Foundry, Hardware, Hubs, Networking, Nortel, Project management, ROI & cost justification, Routers, Storage, Switches, Vendors
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15 pts.

VPn solution required for remote IP telephony
We would like to have remote ip telephony connectivity for our office so that it will be helpful for our remote users and our Royal customers to have ip soft phone which will be connected to our network through VPN tunnel to our IP PABX and dial out locally. We are having ADSL modem connectivity [...]

Answer Question   |  November 27, 2005  11:40 AM
Application security, Availability, Cabling, Database, Encryption, Exchange, Firewalls, Forensics, Hardware, Hubs, Incident response, Instant Messaging, Intrusion management, Network security, Networking, Nortel, Routers, Secure Coding, Security, Switches, VoIP, VPN, Wireless
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0 pts.

ARP, Layer 2 Broadcasts, Switches and NICs
How does ARP work with layer 2 broadcasts? What I mean is, if an IP address is not yet in its cache, ARP broadcasts an ARP request in order to discover the corresponding MAC address, right? Does that mean that the hardware address of the Ethernet frame that encapsulates the ARP request is ff:ff:ff:ff:ff:ff? Also, [...]

Answer Question   |  December 6, 2005  9:11 AM
Cabling, Hardware, Hubs, Networking, Routers, Switches
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0 pts.

Setting Up VLAN across WAN link for Testing
I am trying to setup a Vlan via a WAN Link. Local End has already 4 VLANs. Remote End doesn’t. Remote end needs to access VLAN id 4 via the WAN link. Local Gateway router = Cisco 3660 Remote Gateway Router = Cisco 3660 Local Switch = Cisco 3750 Remote Switch = Cisco 2924 What [...]

Answer Question   |  December 5, 2005  12:21 AM
Availability, Bandwidth, Cabling, Cisco, Hardware, Hubs, IPv4, Network monitoring, Network protocols, Networking, Performance management, Ping, Routers, Switches, TCP
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0 pts.

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0 pts.

Stop bit problem: USB to Serial Converter attached to motion controller, unable to set for 7-E-2
I have three different USB to Serial converters, one of them an isolated converter from B&B. One brand of motion controller I work on uses EVEN parity / 7 data bits / 2 stop bits as its default. I find that none of my converters will work on the controller in this configuration. If I [...]

Answer Question   |  November 22, 2005  5:36 PM
3Com, Active Directory, ActiveX, Administration, Apache, Automated, Availability, BASIC, Benchmarking, Business Objects, C, Cabling, Cape Clear Cape Connect, Career development, Cisco, Clustering, Cognos, Crystal Reports, Data analysis, Data Junction, Data management and storage, Data mining/analysis, Data warehousing applications, Database, DataCenter, DB2, Dell, Desktop management applications, Desktops, Development, DHCP, Distribution/logistics applications, DNS, Enterprise Desktop, Ethernet, Fault isolation, Fax and print management, FDDI, File, Frame Relay, Functional, H.323, Hardware, Hardware selection and management, Hewlett-Packard, Hewlett-Packard Application Server, Hubs, Hyperion, IBM, Informatica, Information Builders, Interoperability, Lifecycle development, Linux, Lotus Domino, Management, Manufacturing applications, Microprocessors, Microsoft Systems Management Server, Microsoft Windows, Migrations and upgrades, Monitoring, NCR, NCR/Teradata, Network applications management, Network connectivity, Network management software, Network monitoring, Network protocols, Network testing, Networking, Networking services, NIC, Novell IPX/SPX, Oracle, OS, Performance and availability, Performance management, Performance/Load, Ping, Power management, Printers, Programming Languages, Protocol analysis, Remote management, Routers, SAP, SAS Institute, Security, Servers, Software, Software testing, Software testing tools, SPSS, SQL Server, standards, Storage, Switches, Systems management software, TCP, Tech support, Thermal controls
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0 pts.

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0 pts.

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0 pts.

Configuration Backup for Cisco Switches
Hi, I have approx 20 cisco catalyst 2950 switches, and would like to be able to copy startup config into a tftp server on a monthly basis. Does anyone know if the IOS is capable of sheduling the copy command, or has anyone written perl or shell scripts to automate this process. ? Any Help [...]

Answer Question   |  November 28, 2007  6:18 AM
Cisco, Network management software, Networking, Switches
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0 pts.

RIP Timers
Dear all, I am confused on RIP timers. Especially, Hold-Down timer. Can someone de-brief me with an example sceanrio that how each timer in RIP behaves and the co-relate with each other?

Answer Question   |  November 6, 2005  3:38 AM
Cabling, Cisco, Hardware, Hubs, IPv4, Routers, Switches
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0 pts.

Problem with Cisco Static nat rules
Hi you guys, We are currently in the process to replace our firewall with a Cisco pix 515. I?ve set it up in a testing environment in order to make a replica of the network so I can test everything. The way the network is setup right now we use NAT to translate the internet [...]

Answer Question   |  November 3, 2005  5:16 AM
Cabling, Cisco, Hardware, Hubs, Routers, Switches
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0 pts.

Trunking (router + vlan) and security
We have a switch with two VLAN. One VLAN is on the firewall/Internet side, the other VLAN is on the LAN side. The switch is connected to a router, like this http://www.cisco.com/warp/public/473/50a.jpg The router is connected to an MPLS cloud through another router. The job of the router is to route the traffic from/to the [...]

Answer Question   |  October 28, 2005  5:53 AM
Cabling, Cisco, Firewalls, Forensics, Hardware, Hubs, Incident response, Intrusion management, Network security, Networking, Routers, Security, Switches, VPN, Wireless
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0 pts.

Will we really save money having users shut down computers at end of day?
The article below caught my attention. It says that 217 million dollars a year is wasted just in the UK alone by employees leaving computers on overnight. I never shut mine down…my old mentor thought it was actually harmful. Needless to say, we don’t have a policy about shutting down computers here at the end [...]

Answer Question   |  April 19, 2010  12:21 AM
Budgeting, Business/IT alignment, Cabling, DataCenter, Desktops, Hardware, Hubs, Management, Microsoft Windows, Networking, OS, Power management, ROI & cost justification, Routers, Security, Servers, SQL Server, Switches, Tech support
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15 pts.

NTP not functioning – Segmented Management VLAN
I’m configuring a building wide network of layer2 and layer3 ciscos to use NTP but I’m not getting ntp updates from the ntp servers. Drawing a picture of this would have a Collapsed Core of 2 4500s and 2950 Access switches are 2950s setup based on Cisco’s typical building block network diagram. The only deviation [...]

Answer Question   |  October 25, 2005  10:25 PM
Cabling, Cisco, Hardware, Hubs, Network protocols, Routers, Switches, TCP
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0 pts.

simple remote administration
hey y’all… is there a way to do the following remotely? change passwords create a share on a server hard drive I have the adminpak installed on my workstation which allows me to do it. I want to be able to do it from ANY computer on the network. I have Win2k3 servers only, and [...]

Answer Question   |  November 26, 2007  10:41 AM
Active Directory, Biometrics, Cabling, DataCenter, Desktops, Development, DHCP, Digital certificates, DNS, Ethernet, Hardware, Help Desk, Hubs, Identity & Access Management, LDAP, Management, Microsoft Office, Microsoft Windows, Network management software, Network protocols, Networking, Networking services, OS, provisioning, Remote management, Routers, Security, Security tokens, Servers, Single sign-on, SQL Server, Switches
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0 pts.