how to test a 10/100 mbps ethernet swtich
I have a 10/100 Mbps ethernet switch which is claimed to not function properly. So is et up a LAN using the switch, issgned IP address to 2 computer, connected them to the swtich and started pinging one computer from the other. So, now , after pinging PC1 from PC2, all the ports on the switch...
I have a 10/100 Mbps ethernet switch which is claimed to not function properly. So is et up a LAN using the switch, issgned IP address to 2 computer, connected them to the swtich and started pinging one computer from the other. So, now , after pinging PC1 from PC2, all the ports on the switch...
0 pts.
Comparison of switches
I want to upgrade my switches... are there resources on the internet which have a direct comparison of the performance of the different types of switches available such as whether Layer 3 switches improve latency, etc...
I want to upgrade my switches... are there resources on the internet which have a direct comparison of the performance of the different types of switches available such as whether Layer 3 switches improve latency, etc...
VoIP VLAN over bridge
I am extending a subnet over T1 bridge using Adtran 3205 routers. The host site is connected via Cisco 2801 router with a switch card to th e HQ site. The remote site is connected to the host site by the bridged Adtran's. The switch at the remote site is a Cisco C2960. I connected a PC to the...
I am extending a subnet over T1 bridge using Adtran 3205 routers. The host site is connected via Cisco 2801 router with a switch card to th e HQ site. The remote site is connected to the host site by the bridged Adtran's. The switch at the remote site is a Cisco C2960. I connected a PC to the...
Dell laptop NIC problems
Hi, One of my colleagues has a Dell Latitude D510 running Windows XP. When connected to our LAN, the laptop is unable to obtain an IP address. When I view the network card in Device Manager, it appears to be installed and working correctly. The NIC is a Broadcom 440x 10/100 Integrated Controller....
Hi, One of my colleagues has a Dell Latitude D510 running Windows XP. When connected to our LAN, the laptop is unable to obtain an IP address. When I view the network card in Device Manager, it appears to be installed and working correctly. The NIC is a Broadcom 440x 10/100 Integrated Controller....
TCP Retransmissions b/c of Checksum Incorrect
We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following: - Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...
We have a problem where some users will complain of slow application response time (on the LAN) from our ERP server, but others will be fine. After many hours of troublshooting I've discovered the following: - Packet Sniff's of affected users shows TCP Retransmissions because the Checksum is...
Masters in Network and Distributed Systems with CCNA????
Hi Guys, I am doing my Masters in Networks and Distributed Systems. Currently I have 2 months vacation in hand and want to do CCNA in that time. Need help on whether it is good idea?? Will it help my Masters?? Masters in Networks and Distributed Systems with CCNA is a good combination?? Will the...
Hi Guys, I am doing my Masters in Networks and Distributed Systems. Currently I have 2 months vacation in hand and want to do CCNA in that time. Need help on whether it is good idea?? Will it help my Masters?? Masters in Networks and Distributed Systems with CCNA is a good combination?? Will the...
Configuring VLANs
Hello All; If I'm configuring multiple VLANs on a Layer 3 switch (HP) do I have to setup static routes or will the switch learn them automatically? Also if I have multiple VlAN's on the Layer 2 switches that connect to the Layer 3 do I have to setup port trunking in order for traffic to be able...
Hello All; If I'm configuring multiple VLANs on a Layer 3 switch (HP) do I have to setup static routes or will the switch learn them automatically? Also if I have multiple VlAN's on the Layer 2 switches that connect to the Layer 3 do I have to setup port trunking in order for traffic to be able...
Server 2003 network - 2 NICS
I have a server 2003 with 2 nics internal 192.168.10.1 255.255.255.0 no gateway 192.168.10.5 DNS external 10.1.10.5 255.255.255.0 10.1.10.1 gateway 68.87.76.178 dns Internal nic handles the DHCP 192.168.10.150-190 it has the scope options with the gateway 10.1.10.1 that is the comcast modem....
I have a server 2003 with 2 nics internal 192.168.10.1 255.255.255.0 no gateway 192.168.10.5 DNS external 10.1.10.5 255.255.255.0 10.1.10.1 gateway 68.87.76.178 dns Internal nic handles the DHCP 192.168.10.150-190 it has the scope options with the gateway 10.1.10.1 that is the comcast modem....
Wireless bridge
My office runs a normal LAN. The company has recently purchased the building next door, and we want to extend the LAN into this building using a wireless link. To achieve this, we have purchased 2 Netgear WPN802 wireless access points. The Netgear website has a step by step guide to configuring...
My office runs a normal LAN. The company has recently purchased the building next door, and we want to extend the LAN into this building using a wireless link. To achieve this, we have purchased 2 Netgear WPN802 wireless access points. The Netgear website has a step by step guide to configuring...
unmanaged vs managed switch
Hello : i need to know the deffirence between managed and unmanageged switch. if i use managed switch will that pose overhead on my network performance, could it reduce my internet connection speed on that switch. Best regards
Hello : i need to know the deffirence between managed and unmanageged switch. if i use managed switch will that pose overhead on my network performance, could it reduce my internet connection speed on that switch. Best regards
Dell Optiplex GX520 hibernation/sleep mode issues
Hello, We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...
Hello, We have several Dell Optiplex GX520's on the network running Windows XP pro. They randomly fall into sleep mode. Moving the mouse will not wake them - you have to push the power button to get them out of sleep mode. Also we are not able to remotely wake them to do patch updates or remotely...
Intrussion detection
Does any one know of any goof Intrussion detection system boxes which are not crazy expensive and support up to 1GB lines.
Does any one know of any goof Intrussion detection system boxes which are not crazy expensive and support up to 1GB lines.
Procedures for a new area.
We are a company where we have expirience on network remote administration and now we have open a new area, The area of security. Now I need to start to make new procedures like when a new customer come to us and ask if we can handle the security for his network... I need to know if some one can...
We are a company where we have expirience on network remote administration and now we have open a new area, The area of security. Now I need to start to make new procedures like when a new customer come to us and ask if we can handle the security for his network... I need to know if some one can...
rply
hello sir instead of writting 3 words "school level question". i think u can write yes or no????? i m confused as in some publications it is written dat MAC address is globally unique.....but others say dat only PUBLIC ip address are uniue and not mac address. my question.... if mac address is not...
hello sir instead of writting 3 words "school level question". i think u can write yes or no????? i m confused as in some publications it is written dat MAC address is globally unique.....but others say dat only PUBLIC ip address are uniue and not mac address. my question.... if mac address is not...
rply soon
plz tell me whether MAC adress is globally unique or not....... also tell me what is true.. PUBLIC ip adresss r globally uniuqe" or "ip adress are unique. also tell me in which part of world IPV6 is now used in majority?????
plz tell me whether MAC adress is globally unique or not....... also tell me what is true.. PUBLIC ip adresss r globally uniuqe" or "ip adress are unique. also tell me in which part of world IPV6 is now used in majority?????
Router Performance Evaluation
Hi I would like to do an investigation about router performance of multiple vendors. What commands, parameters or procedures do you recommend me in order to recollect data for this objective? I'm thinking of comparing a Cisco 2600 router with a Xorp router to begin with my little investigation. Any...
Hi I would like to do an investigation about router performance of multiple vendors. What commands, parameters or procedures do you recommend me in order to recollect data for this objective? I'm thinking of comparing a Cisco 2600 router with a Xorp router to begin with my little investigation. Any...
how toconfigure ipadress through run
plz tell me how to configure ipadress through cmd prompt or through run??????
plz tell me how to configure ipadress through cmd prompt or through run??????
SUBNETTING
Hi What is the broadcast address for the IP subnet 192.168.100.32 given a subnet mask of 255.255.255.224. I want to know step by step procedure on how to get the right ans. Brgds Mark
Hi What is the broadcast address for the IP subnet 192.168.100.32 given a subnet mask of 255.255.255.224. I want to know step by step procedure on how to get the right ans. Brgds Mark
DNS Packet Drops
The server running on windows 2003 (not primry domain) is used as DHCP server to issue client IP. I configured a 2wire router on this. but the conectivity to server keeps droping now and then. Could anyone here please let me know the possible cause? Best regards,
The server running on windows 2003 (not primry domain) is used as DHCP server to issue client IP. I configured a 2wire router on this. but the conectivity to server keeps droping now and then. Could anyone here please let me know the possible cause? Best regards,
