A networking device to add an IP device?
A firewall is the way to handle the issue you are describing. If you put the device behind a firewall, on a DMZ, and only allow the necessary protocol(s) from the Internet to the device, and then the same from your internal LAN. Use NAT to translate the Internet IP to the private IP on [...]
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| June 7, 2009 7:24 AM
Network administration, Network security
A firewall is the way to handle the issue you are describing. If you put the device behind a firewall, on a DMZ, and only allow the necessary protocol(s) from the Internet to the device, and then the same from your internal LAN. Use NAT to translate the Internet IP to the private IP on [...]
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| June 7, 2009 7:24 AM
Network administration, Network security
How to port forward and map IP on SonicWALL TZ 180?
Hi Ricardo, Go to the ‘Network > One-to-One NAT’ page. Check the box next to ‘Enable One-to-One NAT’, and click on the ‘Apply’ button. Click on the ‘Add…’ button. Enter the address of your server in the ‘Private Range Start:’ box. Enter the Public IP address in the ‘Public Range Start’ box. Enter ’1′ in [...]
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| April 19, 2013 7:37 AM
Firewalls, Network security, Port forwarding, SonicWALL TZ 180
Hi Ricardo, Go to the ‘Network > One-to-One NAT’ page. Check the box next to ‘Enable One-to-One NAT’, and click on the ‘Apply’ button. Click on the ‘Add…’ button. Enter the address of your server in the ‘Private Range Start:’ box. Enter the Public IP address in the ‘Public Range Start’ box. Enter ’1′ in [...]
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| April 19, 2013 7:37 AM
Firewalls, Network security, Port forwarding, SonicWALL TZ 180
Mapped drive to IFS
The password cache gets updated when you reboot the PC after the password has been changed. I don’t recall where it is located.
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| June 5, 2009 1:27 PM
IFS, Integrated File System, Mapped drives, Password and ID management, QDLS
The password cache gets updated when you reboot the PC after the password has been changed. I don’t recall where it is located.
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| June 5, 2009 1:27 PM
IFS, Integrated File System, Mapped drives, Password and ID management, QDLS
How to assign a Static IP on LAN
What you need to do to assign the IP address, is configure NAT (Network Address Translation) on the Internet router, or on your firewall appliance. This will change the address that your server uses, and send out the packets to the Internet using the fixed IP address allocated by your ISP. If you do not [...]
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| June 5, 2009 9:27 AM
LAN, Network administration, Network connectivity, Static IP address
What you need to do to assign the IP address, is configure NAT (Network Address Translation) on the Internet router, or on your firewall appliance. This will change the address that your server uses, and send out the packets to the Internet using the fixed IP address allocated by your ISP. If you do not [...]
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| June 5, 2009 9:27 AM
LAN, Network administration, Network connectivity, Static IP address
Windows NLB vs.Citrix Netscalers – 3rd party network load balancing
NLB is not truly scalable compared to a dedicated load balancing solution like a Netscaler, Radware, or F5. I strongly suggest you move away from NLB to an enterprise load balancing solution.
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| November 9, 2012 8:31 PM
Citrix Netscalers, Netscaler, NLB, Windows NLB, Windows Server 2003
NLB is not truly scalable compared to a dedicated load balancing solution like a Netscaler, Radware, or F5. I strongly suggest you move away from NLB to an enterprise load balancing solution.
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| November 9, 2012 8:31 PM
Citrix Netscalers, Netscaler, NLB, Windows NLB, Windows Server 2003
Network management solutions. Which one to chose?
I love SpiceWorks 4.0 beta. It is first of all FREE and second of all it can do anything that you want it to. http://www.spiceworks.com/ It does software and network monitoring. It can alert you to ANY change on the network like a user installed a new piece of software or a new user account [...]
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| June 4, 2009 5:25 PM
Network management, Network Management Systems
I love SpiceWorks 4.0 beta. It is first of all FREE and second of all it can do anything that you want it to. http://www.spiceworks.com/ It does software and network monitoring. It can alert you to ANY change on the network like a user installed a new piece of software or a new user account [...]
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| June 4, 2009 5:25 PM
Network management, Network Management Systems
How best to control Junior Admins
You would recommend using of both a security group (e.g. Junior Admins), assign those personnel in this membership, and then create a group policy with those permissions. Then assign this group policy to this security group. As per the auditing, You can use the built-in auditing within windows with some modifications. Or you can use [...]
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| June 4, 2009 4:57 PM
Administrative privileges, IT staff, Junior Network Administrators, Network administrators, Windows Server 2003
You would recommend using of both a security group (e.g. Junior Admins), assign those personnel in this membership, and then create a group policy with those permissions. Then assign this group policy to this security group. As per the auditing, You can use the built-in auditing within windows with some modifications. Or you can use [...]
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| June 4, 2009 4:57 PM
Administrative privileges, IT staff, Junior Network Administrators, Network administrators, Windows Server 2003
Reverse DNS not forwarding to ISP DNS
You will need to reach out to your ISP and indicate you want a reverse IP for publicmailserver.fullyqualified.domainname. Sample e-mail you would want to send: Dear {ISP Account Contact} Please add a reverse DNS (PTR) entry for {publicmailserver.fullyqualified.domainname}. – 123.456.789.012 Regards, {Your Name}
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| June 4, 2009 4:45 PM
DNS errors, ISP DNS, Reverse DNS
You will need to reach out to your ISP and indicate you want a reverse IP for publicmailserver.fullyqualified.domainname. Sample e-mail you would want to send: Dear {ISP Account Contact} Please add a reverse DNS (PTR) entry for {publicmailserver.fullyqualified.domainname}. – 123.456.789.012 Regards, {Your Name}
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| June 4, 2009 4:45 PM
DNS errors, ISP DNS, Reverse DNS
Wireless printer on wireless network
Hey There – all you need is a wireless printer and for your wireless laptop to connect to the same network as the wireless printer. Then as long as you are on the same network you will be able to access the printer just like any old network printer. Both machines should be configured to [...]
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| June 4, 2009 4:33 PM
Printers, Wireless networking, Wireless printers
Hey There – all you need is a wireless printer and for your wireless laptop to connect to the same network as the wireless printer. Then as long as you are on the same network you will be able to access the printer just like any old network printer. Both machines should be configured to [...]
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| June 4, 2009 4:33 PM
Printers, Wireless networking, Wireless printers
SSH configuration on Cisco router
First configure the hostname and a domain <b>hostname My-Router ip domain-name My-Company.com</b> Then generate your SSH keys <b>cry key generate rsa</b> Create some usernames and passwords <b>username Fred secret Wilma</b> Do as many of these as you need, and they can also apply the level that this gives them access. IT can also be centralised [...]
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| June 4, 2009 3:18 PM
Cisco, Cisco router configuration, Cisco Routers, Router configuration, Routers, SSH
First configure the hostname and a domain <b>hostname My-Router ip domain-name My-Company.com</b> Then generate your SSH keys <b>cry key generate rsa</b> Create some usernames and passwords <b>username Fred secret Wilma</b> Do as many of these as you need, and they can also apply the level that this gives them access. IT can also be centralised [...]
View Answer
| June 4, 2009 3:18 PM
Cisco, Cisco router configuration, Cisco Routers, Router configuration, Routers, SSH
Network configuration
For an organisation with eight people, you have probably all the network you need right now, with the one switch. If you want to separate the traffic, so some people do not have any access to some resources, then configure vlans, and upgrade the switch to a Layer 3 switch. This will allow you to [...]
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| June 4, 2009 3:11 PM
Network Configuration, Network configuration management, Network Topology
For an organisation with eight people, you have probably all the network you need right now, with the one switch. If you want to separate the traffic, so some people do not have any access to some resources, then configure vlans, and upgrade the switch to a Layer 3 switch. This will allow you to [...]
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| June 4, 2009 3:11 PM
Network Configuration, Network configuration management, Network Topology
how to assign users to a group
I think probably the best option not knowing your complete proxy infrastructure would be for one proxy to “forward” those requests to other proxy for further “filtering/content analysis” per say. On the one proxy, have a rule setup to match your requirement and have it forward to the other one. As such, this would require [...]
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| June 4, 2009 1:34 PM
cache_peer, Proxy, Squid, Squid 3.0
I think probably the best option not knowing your complete proxy infrastructure would be for one proxy to “forward” those requests to other proxy for further “filtering/content analysis” per say. On the one proxy, have a rule setup to match your requirement and have it forward to the other one. As such, this would require [...]
View Answer
| June 4, 2009 1:34 PM
cache_peer, Proxy, Squid, Squid 3.0
Cannot view users via workgroup machine on Windows Server 2003
If the machine is not part of the domain, it will not have the proper credentials to access domain resources. Unless you have reasons to keep Machine 1 in the workgroup, you should add it to the domain as well.
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| June 4, 2009 4:08 AM
PDC, Windows Server 2003, Windows Server Error Messages, Windows Workgroups and Networking
If the machine is not part of the domain, it will not have the proper credentials to access domain resources. Unless you have reasons to keep Machine 1 in the workgroup, you should add it to the domain as well.
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| June 4, 2009 4:08 AM
PDC, Windows Server 2003, Windows Server Error Messages, Windows Workgroups and Networking
2811 router
As no-one has answered, I thought I would give a couple of tips. firstly, I don’t know the answer, so if anyone does, then feel free to chip in. If I were looking at this, I would start with running some debugs and try to see why the call drops. You don’t say how the [...]
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| June 3, 2009 9:15 PM
Cisco 2811, Cisco Routers, Fax and print management
As no-one has answered, I thought I would give a couple of tips. firstly, I don’t know the answer, so if anyone does, then feel free to chip in. If I were looking at this, I would start with running some debugs and try to see why the call drops. You don’t say how the [...]
View Answer
| June 3, 2009 9:15 PM
Cisco 2811, Cisco Routers, Fax and print management
Static and Auto Obtain IP Address
The better way is to have a static IP address. Some service providers do this for free, others charge extra, so shop around for the best deal in your area. If you have a dynamic IP address, then there are some DNS services that can advertise this, but I have not had much luck with [...]
View Answer
| June 3, 2009 5:46 PM
Auto Obtain IP address, IP address, Static IP address
The better way is to have a static IP address. Some service providers do this for free, others charge extra, so shop around for the best deal in your area. If you have a dynamic IP address, then there are some DNS services that can advertise this, but I have not had much luck with [...]
View Answer
| June 3, 2009 5:46 PM
Auto Obtain IP address, IP address, Static IP address
Conflict with multiple NICs
Dear Army, Did you check DHCP-disposed address on the router-connected NIC? Is there any probability that it resides in the same IP segment – 192.100.100.x ? ipconfig /all in the cmd window should provide this information. If both IPs start with 192.100.100., you should change the settings of the configuration of router’s DHCP server so [...]
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| June 3, 2009 10:24 AM
Network connectivity, NIC
Dear Army, Did you check DHCP-disposed address on the router-connected NIC? Is there any probability that it resides in the same IP segment – 192.100.100.x ? ipconfig /all in the cmd window should provide this information. If both IPs start with 192.100.100., you should change the settings of the configuration of router’s DHCP server so [...]
View Answer
| June 3, 2009 10:24 AM
Network connectivity, NIC
What does it mean to exceed frame retry rate?
i am guessing this is WiFi ? Frame retry usually means that the frames have been corrupted, due to some sort of interference, and needed to be resent. The maximum number of retries is then used and you get the first error. The speed then backs off, which is a built in method to mitigate [...]
View Answer
| June 3, 2009 6:23 AM
Event notices, Frame rates, Frame Retry Rate, Networking
i am guessing this is WiFi ? Frame retry usually means that the frames have been corrupted, due to some sort of interference, and needed to be resent. The maximum number of retries is then used and you get the first error. The speed then backs off, which is a built in method to mitigate [...]
View Answer
| June 3, 2009 6:23 AM
Event notices, Frame rates, Frame Retry Rate, Networking
Adding Clients to a Server 2003 Domain
First make sure you can ping to your domain controller, and manually set your DNS IP address to the domain controller you are trying to contact. You can also try a static IP address. As for your network, it sounds like there are too many switches in a daisy chain which may also cause machines [...]
View Answer
| June 3, 2009 4:58 AM
Cisco Catalyst 1900, Domain Controller, HP ProLiant DL380, HP ProLiant DL380 G3, Network Topology, Network troubleshooting, Windows Server 2003
First make sure you can ping to your domain controller, and manually set your DNS IP address to the domain controller you are trying to contact. You can also try a static IP address. As for your network, it sounds like there are too many switches in a daisy chain which may also cause machines [...]
View Answer
| June 3, 2009 4:58 AM
Cisco Catalyst 1900, Domain Controller, HP ProLiant DL380, HP ProLiant DL380 G3, Network Topology, Network troubleshooting, Windows Server 2003
Where is a switch on the OSI model?
Basically Ethernet switches operate at layer 2. They use the MAC address to make the forwarding decisions, which is the Data Link Layer address. In more recent times switches have also been developed that can use the Layer 3, or Network Layer, information to make the forwarding decisions. These are then routing packets based on [...]
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| June 2, 2009 11:03 PM
layers, Networking, Open systems interconnection, OSI Model, Switches
Basically Ethernet switches operate at layer 2. They use the MAC address to make the forwarding decisions, which is the Data Link Layer address. In more recent times switches have also been developed that can use the Layer 3, or Network Layer, information to make the forwarding decisions. These are then routing packets based on [...]
View Answer
| June 2, 2009 11:03 PM
layers, Networking, Open systems interconnection, OSI Model, Switches
Connecting data closet switches to the core with redundant links
My understanding is that you are looking into a full-scale redesign of your network. The most important factor in these cases (and especially when we are dealing with network as large as yours) is the network backbone and available equipment. The Cisco 6500 series Catalyst switches provide a great amount of flexibility for your design, [...]
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| June 2, 2009 3:27 PM
Cisco 6509, Cisco switches, Core, core networking, Networking, OSPF, Protocols, Routing and switching, spanning tree, Subnetting, Switches, VLAN, VSS
My understanding is that you are looking into a full-scale redesign of your network. The most important factor in these cases (and especially when we are dealing with network as large as yours) is the network backbone and available equipment. The Cisco 6500 series Catalyst switches provide a great amount of flexibility for your design, [...]
View Answer
| June 2, 2009 3:27 PM
Cisco 6509, Cisco switches, Core, core networking, Networking, OSPF, Protocols, Routing and switching, spanning tree, Subnetting, Switches, VLAN, VSS
