• Is there is any problem with connecting Cisco with 3com?

    Hi, I have 3 com switch and cisco switch and 2 NDs and core switch The connection is like this: core connect to the 2 NDs first ND1 connect to cisco switch second ND2 connect to 3com switch every switch connect to 2 pcs (ND1—pc1) (ND2—pc2) ND1 (vlan1 by default and vlan 172) nd2 (vlan1 by...

    Ahmed014478874715 pointsBadges:
  • Mac address to IP address resolution

    How can we resolve IP address from Mac address and can we do this from Cisco switch 3750? We are able to track port no and associated Mac address from Cisco switch by using the command #sh mac-address-table dyanamic>, but we also want to track the associated IP address with port no. Please...

    Ruchitgarhwal0 pointsBadges:
  • Connect console of 3com switch to PC Laptop through port 25 Up

    Dear All, I have to connect console of 3com switch to a PC. Kindly Help Regards

    SwitchesRouters5 pointsBadges:
  • Network Connection Freezes

    For some reason, at random, among 20 PCs on my network, in the morning or during the day, the network connection stops responding for both intranet and internet communications. The only solution thus far is to remove the NIC from the Device Manager, reboot the PC, and let Windows XP Pro find the...

    DboiSOBE0 pointsBadges:
  • VLAN Configuration help, 3com 4500 26port

    [u3:p][/u3:p] Create vlansAdd ports to vlansSet port 1 as trunk and also added as tagged to all vlans At port 1 i connect my adsl modem router (dhcp enabled). 4500 switch gets 192.168.1.100 as it's ip but all other computers can't get their ip by the dhcp if they are connected via 4500...

    Makrib5 pointsBadges:
  • VLAN setup

    We have a very simple network setup using static IP throughout our campus. We are now looking at using DHCP to provide internet only access to our clients and students who bring their own IT equipment on site. Whilst we have networking and IT experience we have not touched VLANs before at all. We...

    Matt715 pointsBadges:
  • Cisco Switch to 3com Switch

    Hello, Iam having a problem recieving Ip addresses for any device connected to my 3com switch. The 3com switch is connected to a cisco 500 catalyst express switch, which is connected to a cisco 2815 ISR. The ISR is configured as the DHCP server. Im using a crossover cable between the two switches....

    DesertNomad0 pointsBadges:
  • 20% packet loss affects performance?

    Hi. I've been noticed that I have some packet loss when I do ping from our 3Com router 5642 to the default gateway of our provider. <codinet03>ping 10.162.66.185 PING 10.162.66.185: 56 data bytes, press CTRL_C to break Reply from 10.162.66.185: bytes=56 Sequence=1 ttl=255 time=3 ms Reply from...

    Cabo8135 pointsBadges:
  • network slow and computers freezes

    On our network ,most if not all of the computers freezes.we do not know whether the problem is anti-virus or microsoft updates.we receive messages like buffer overflow and generic host process win32.can some one help with this problem.we are using mcfee anti-virus

    Gersonmo5 pointsBadges:
  • Trunking 3Com with Cisco

    I want to connect Vlans in cisco 3750 with Vlans 3Com SuperStack 3 Switch 4200, by using trunking ports in the cisco and 3Com switches. please some one help me how to configure the trunk port in both switches.

    Qma15jo55 pointsBadges:
  • dimensioning with 3com 5642 router

    Hi! we are an ISP with an 3com 5642 router, with a fastEthernet WAN link of 12Mbps. We want to upgrade to 20Mbps. Will this router uphold this upgrade?

    Cabo8135 pointsBadges:
  • problem encountered between 3com 4950 to catalyst 500

    I encountered a problem between the connection of 3 com (4950) to catalyst express 500. 3 com is located in the server room and act as our distribution switch, from server room it is connected to catalyst 500 using fiber optic cable (multi mode). I connect the 3 com to the sfp uplink of the...

    Ninja185 pointsBadges:
  • Wireless Network design puzzle

    I've got 30 legacy devices with static IP's (running linux), they are all connected to two Windows XP servers (acting as backup to one another) through ethernet. Both servers send broadcasts on the network inviting the legacy devices to connect to whichever is available. I'm trying to change the...

    Ramigabriel35 pointsBadges:
  • #com v’s Cisco

    Hi, I am in the process of scaling up a Datacenter to handle what over the next 3 to 5 years is expected to be a doubling of the current workload. I am pushing my current stackable switches to the limit at peak times and the performance impact is very visible even to end users. I am managing a...

    Bouncybrit10 pointsBadges:
  • Limit bandwidth for all online radio/video streaming

    We recently installed a fancy new 3com switch (with QoS) in the center of a star topology of dumb switches. About the same time our internet connection was brought to a screeching halt. We figured out the online radios and video streams from you tube and others killed our T1 because of QoS. I've...

    Patzo65 pointsBadges:
  • 3COM VOIP

    Does anyone have any experience with 3COM VOIP?

    Cidr6950 pointsBadges:
  • Monitoring the Network

    Hi, I have multiple remote sites. I would like to monitor the network and analyze the traffic and its performance in general. For example, how the bandwidth is consumed, if certain activities are unnecessary and how to improve the networks performance by blocking through the firewall like...

    Maryam82100 pointsBadges:
  • Chain 2 3COM 8 Switches without loosing speed

    Hi, I have 2 3COM Gigabit 8 Switches chained with a network cable that connects them. The problem is that when i want to copy something from a computer connected to Switch 1 to a computer connected into "Switch 2", the speed never goes over 3 kbs (which is much much slower than when i copy...

    Laneo15 pointsBadges:
  • 3Com 3C16465 mdix compatibility with Cisco

    Does anyone know if there is a compatibility issue with connecting a 3Com 3C16465 to a Cisco 2948 via a cross over cable? I get link lights, but no network traffic.

    ALV4265 pointsBadges:
  • How do I setup DHCP on a 3Com router on a frame relay?

    In our network we have a frame relay LAN, using two 3COM NetbuilderII 227C routers. The head end router runs 9.1 code, the far end runs 9.3 code. They are both SW/NBRO-CF routers as well. How do we go about enabling and getting DHCP to run on them? What commands do I use to get dhcp traffic to...

    Networkmanjohn10 pointsBadges:

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