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Questions tagged [gigabit-ethernet]

Ethernet at 1000 Mb/s (1 Gb/s). Can be over copper or fiber. There are different types of fiber.

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Ethernet Router, switch and network routes

Say I have the following network setup with about 100 clients connected: 1 GbE Ethernet/Internet -> GbE Router -> 1 GbE Ethernet -> GbE Switch -> Clients Clients receive their IP:s from the router's DHCP server, but after that, if two clients want…
Jay
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GigE ethernet switch backplane bandwidth

While looking for a 16- or 24-port gigabit ethernet switch with at least 6 VLANs and port mirroring (packet duplication to a monitoring port), I came up with three candidates (there are more): Cisco SRW2024, Netgear GS724T and HP ProCurve 1810G I…
Paul
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Cisco 1000BaseT SFP modules in a 3750 overheating

I have a 3750 responsible for switching in my DMZ. Every once in a while one of the gigabit links will go down although ios and the server attached to it report the link is up (activity lights, etc). My solution is to remove the 1000BaseT SFP…
h3rrmiller
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How to connect a SATA / ESATA / USB 3.0 device over Gigabit Ethernet

I am looking for a way to connect an 5.25 SATA removable drive bay from CRU to our HP Proliant 360 blade server. Unfortunately the server has no support for USB 3.0 and no free PCI slot to upgrade USB 3.0 functionality. Also it doesn't have an eSATA…
Mike
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Multilayer LACP

I have a network switch that is limited to 2x1Gb/s LACP teaming, however have a file server with a 4x1Gb/s network interface. What options do I have to aggregate all available bandwidth without needing arbitrary walls between bandwidth or…
J Collins
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Can a faulty switch connected to the core switch block an entire network?

I encountered the following situation: The network I administer was blocked, and this was traced down to a specific rack, after I reseted both switches, everything worked. I supposed it was the core switch so I replaced the core switch. It happened…
Eduard Florinescu
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Switch Fabric Optimization

How does an ethernet switch work on a port-by-port basis? Specifications are given for the speed of the switch "fabric", but is that universal bandwidth through a central processor or are there optimal places to plug things in where the traffic…
Karl Katzke
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Is it possible to tell whether I am connecting to fast or gigabit ethernet with CAT5e cable?

My NIC supports gigabit ethernet: $ ethtool eth0 Settings for eth0: Supported ports: [ MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full …
şaloma
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Does 1 Gbps ethernet standard mean 1 Gb in both directions simultaneously, or 500 Mb in each direction?

What does the Ethernet standard dictate for the meaning of 1 Gb ethernet? Does it dictate full duplex 1 Gbps, or a shared pipe between the two directions?
merlin2011
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Ethernet switch signal quality

Is there a (significant) signal quality difference between ethernet switches? n other words: A 1000base-t, do some switches allow longer cable runs than other switches?
Niels B.
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Ethernet to Fiber Converters, reliable? or maybe better solutions

Not sure if this is relevant to ask here ... but I cannot find any information on the net about it. But here goes: Today I have a fiber that comes into building B from A(I have no control here. Lets just say it's our ISP). This goes to a switch…
Syska
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How to change the setting for a network device reported by ethtool, specifically Speed, on VM?

This is related to these two questions, although they don't answer my question. The machines are RHEL6. 1.ethtool not showing all the properties 2.changing network speed to 1000Mb/s Output on VM: [root@foo ~]# ethtool eth0 Settings for eth0: …
Ramadheer Singh
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Broadcast stop via loopback kills bandwidth

Why does creating a broadcast storm by directly connecting two ports on a switch cause the bandwidth to all the other ports to cease?
user218352
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Ethernet port not detected

I just added additional 1gb port to my existing 4gbs on my server. All 4 are placed on a NET CARD PCIE 1GB E1G44HTBLK 904223 INTEL and the additional one is connected to motherboard(S5520SC) integrated Ethernet port. from dmidecode I can see the…
dvrecmfo
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Gbps to 2 100Mbps clients

If I have a media server with a gigabit NIC connected to two 100Mbps xboxes on a gigabit switch, will both receive from it at 100Mbps or will one connection put the server's NIC in a 100Mbps mode and have an effective rate of 50Mbps to each?
Shawn
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