Managed Switch 24 Port Cisco

[Hermila Farquhar]

Ihave a problem with my Cisco sg300 28 port gigabit managed sfp switch.The problem is i can't get the Gui via the LAN port.When i plug in the power cable the LAN ports on the switch just flashes once.No system LED indication.when i plug a patch cable to any port it flashes send and receive leds.when i try to open the gui via a patch cable from a LAN port, it doesn't shows anything and shows me just a limited or no connection notification on the windows 7 task bar.I also tried the Console cable but no success.please help me with this issue as soon as possible.I just need to power up and enter the gui on the switch.No management or configuration is required for me.

A factory rest SG300 will not have an DHCP pools configured. you will need to manually configured the wired network interface of your PC with an IP in the range 192.168.1.1 - 192.168.1.253 . you will then be able to open a browser and navigate to

If you get the address 192.169.13.100 via DHCP, then the switch must still have configuration on it and be giving you that lease. If DHCP was not configured I'd expect you to have a default link-local address in the range 169.254.0.0/16 .

Unmanaged switch1 connects to unmanaged swtch2, and unmanaged switch2 connects to managed switch carrying only one vlan. Then you just need to configure each port on the managed switch as access port.

First off I would just like to thank anyone who can help me with this in advance. And I would like to state that I am not very experienced with networking. I took on this position for my company to fill the position because I am capable of learning it and our setup is not so complex that it needs a full time admin or outsourced tech support. I am taking classes online and learning things as I go basically. Its been fun! Haha.

The problem I am having seems like a very simple issue. But I cannot find an answer for it anywhere. I have a row of computers that are connected to a brand new SG300 28 port managed switch. I've updated the boot code and all the firmware before mounting it and connecting everything. I have a cat 6 line coming from the server to this switch. Everything lights up except the source cat 6 line. I hooked the cat 6 into a small Netgear 5 port switch and connected that to the SG300 and everything works. I've had this problem with the last switch (unmanaged) we had as well. The SG300 is set to automatically get an IP. So after I hooked it up to the Netgear and it got an IP I set that as static and plugged the source line in again rebooted and still no connection. I did not change any settings from default. Currently the switch just needs to be a connection from the server to the stations. Nothing fancy.

Some devices do "auto-MDIX" where the port will accept a straight cable and treat it as a crossover cable if necessary - not sure if that port on the SG300 does that or not. See if you have a crossover cable instead of a straight cable, and that might get you the link light on.

I've been using straight T568B for all of our cables. The TPlink the source cable is connected to has auto MDIX. And the SG300 has it as well. Would turning the SG 300 to MDIX instead of auto possibly help? If not I can just make a crossover cable instead. I'll take a look at our patch panel, pretty sure they are all T568B as well. Thank you for the assistance!

If you configure some ports as untagged on your data vlan, data will leave the switch through those ports with no tags. They will then be able to flow to any other network device that is expecting untagged traffic - regardless of what vlan it thinks that traffic is associated with, or no vlan at all, in the case of a non-vlan aware switch.

i have cisco CBS350-24P-4G 24-Port switch and UniFi access point is connected to port23. and other ports, desktops and IP phones are connected. Access point is getting disconncted and reconnected after some times. Below are configuration on port23. but same Access point is working fine with cisco 9200 series switch. any urgent support will be highly appreciated.

The virtual stack allows an administrator to view all switch ports in one easy-to-navigate page. To further simplify switch port management, a dynamic search bar is available at the top to allow for quick searching of ports.

The MS switches support Link Aggregation (LACP) groups of up to 8 ports on the same switch or physical stack. A "Link Aggregate" is a combination of ports that act as one logical link. This is often referred to as Link Bonding, Link Aggregation, or EtherChannel. A link aggregate will load balance across the different physical links for additional performance, and will also give higher reliability because the link aggregate will continue to function as long as at least one of the physical links is working.

Note: It is generally recommended that ports are first aggregated and then physically connect the aggregated ports. Be sure to configure the aggregate (or have LACP enabled) on both ends of the link. Configure the downlink device first, wait for the config to state up to date, before configuring the aggregation (uplink) device. If the process is performed in the uplink side first, there may be an outage depending on the models of switches used. For c9300-M/MS390s, the process described must be followed to ensure the aggregation forms correctly.

c9300-M / MS390 are limited to 128 LACP groups per standalone switch or switch stack (a stack of 8 switches is still limited to 128 LACP groups). There is no limit to the number of LACP groups on other platforms, provided there are enough member ports available in the switch or stack.

Note: (applicable to any non c9300-M/MS390s) By default, prior to configuring LACP, the MS series runs an LACP Passive instance per port. This is to prevent loops when a bonded link is connected to a switch running the default configuration. Once LACP is configured, the MS will run an Active LACP instance with a 30-second update interval and will always send LACP frames along the configured links.

Note: When configuring LACP between Meraki MS and Catalyst, it may be advantageous on the Catalyst switch to disable the feature "spanning-tree etherchannel guard misconfig" if there are issues with getting the LACP aggregate established.

In the virtual stack, select the ports to be aggregated. Once the ports have been selected, choose Aggregate at the top or bottom of the port list and accept the change notification.

Select the ports that you want to add to an existing aggregate. Once you have selected the ports and the existing aggregate that you would like to add the ports to, choose Aggregate at the top or bottom of the port list.

It may be necessary to configure a mirrored port or range of ports. This is often useful for network devices that require monitoring of network traffic, such as a VoIP recording solution or an IDS (Intrusion Detection System).

In order to enable and configure a mirrored port or range of ports, navigate to Switching > Monitor > Switch Ports. On this page select the ports that are intended for mirroring and hit the Mirror button:

At work we're working with cisco for Core and access layer (switches). Because we don't have enough outlets at certain points throughout the building we are forced to either make more or use a small switch. The problem is that we use different vlans for our printers and pc's. For this to work I need to set up a trunk but this won't work with the GS105. I'm looking for a netgear switch with which this WOULD work. It should have max 5 ports.

I don't think that at 5 ports you'll be able to find a model satisfying your needs (not only with Netgear). Most models with proper VLAN support start at 8 ports or higher. Most switches of the smart managed pro line should have full VLAN support, hence models like the GS308T, GS310TP could be a fit.

However if you are used to CLI and plan on using many of these smaller switches, you might consider a fully managed model with a CLI and a console port. However I have come to realize that in the case of Netgear they don't make that many small, yet fully managed switches that are fanless (which is likely a requirement in an office space). That said: The same problem exists with other vendors as to.

The only fanless model (without PoE) that I have come across still seems to be the GSM5212 from the M4100 line. It should still be much less expensive than what Cisco proposes in that space though. If you are familiar with the IOS CLI, the Netgear CLI is very similar and easy to pick up.

There is just one issue. The IP I gave it which is on VLAN 11 takes 6 to 7 times longer than the other VLANs. Ports 3, 4, 5 connect to devices. I'm using this like an edge switch. So I average about 0.25ms from my core switch to the devices on port 3, 4, and 5 respectively. But I'm at about 2ms from my core switch to the Netgear switch. It makes no sense, I probably have something messed up somewhere but not sure where.

As you posted this now again in the Managed Switches community section, please note none of the Plus models you tagged [Gigabit Plus Switch Series (GS105Ev2), Gigabit Plus Switch Series (GS108E)] are in any aspect Managed Switches.

In my Lan network, I have two Adtran PoE switchs for our VOIP. Switch # 7100 and Switch # 1234 and a 908e router being feed from our incoming T1's. All VOIP adtran phones are wired to these two switchs in our main complex. I have another building ajacent to our main complex that has only 6 VOIP phones and 6 PC's...From the Adtran switch, one port feeds the remote building which is tied to a Cisco non-PoE SG200-26 switch.. From the ports of this switch, it feeds the six VOIP phones and the PC's. The VOIP phones at this location use individual power supplies for power.

The question comes into play, we have had a utility power outage, when power was restored, these six phones would not operate. It seems that the Cisco switch prevents something from passing to the Adtran switchs for startup. If I remove the Cisco switch from this building and replace it with a unmanaged type switch, the phones will startup and operate. The existing Cisco switch is operating in its default mode. No programming has been done to this switch.

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