Question about Cisco Catalyst 2960G-24TC 24-Port Gigabit Ethernet Switch (WSC2960G24TCL)

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Vlan wath maximun vlan supported on switch cisco 2960g now use ios ver. 12.2(25) thank you

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255 max
1 - 4094 numerical VLAN's
1002-1005 used for token ring/ FDDI
1006+ VLAN's aren't stored in database and must be in VTP transparent mode.



Posted on Jul 06, 2009

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When I enable the vlan option in an EAP9550 I lose wireless access


Bruce,

Is the goal to use a different VLAN for each access point (AP)? If so then you will need to configure each NetGear port to use the same VLAN as the AP that is connected to it. You will then need either a switched virtual interface (SVI) for each VLAN on the NetGear or a trunk port (802.1q) from the NetGear to the Cisco. I'm not sure the NetGear will support SVIs but it will support trunks. An SVI basically creates a gateway for each VLAN's subnet. For example, let's say AP1 uses VLAN 10 and the subnet is 10.0.10.0/24 while AP2 uses VLAN 20 with a 10.0.20.0/24 subnet. The NetGear will need 2 SVIs, one for each VLAN/subnet. The first SVI for VLAN 10 can be configured with IP address 10.0.10.1/24 while the second SVI can be configured with 10.0.20.1/24 for VLAN 20. These IP addresses will be the gateway for each VLAN. Finally, the NetGear would need to act as a router and route each VLAN's subnet to the Cisco device. Once again I don't believe the FS726TP supports this.

The other solution would be to create a VLAN trunk port between the NetGear and the Cisco device but I believe the Cisco RV042 does not support trunking. If it does the trunk would be configured to carry all of the VLANs to the Cisco device which would then have SVIs created on it.

If neither of the above is possible you would need to use the same VLAN for each AP and each of the interfaces on the NetGear and Cisco devices which negates the need for the VLANs.

I hope this helps.

Mar 13, 2014 | EnGenius Computers & Internet

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on Jul 07, 2011 | Computers & Internet

1 Answer

!!! WARNING: The switch is not usable !!! 3560-24PS


There is a possibility of IOS® corruption, so better check on that before using warranty, RMA or dumpster/recycling


Error Message SW_VLAN-4-IFS_FAILURE: VLAN manager encountered file operation error: call = [chars] / code = [dec] ([chars]) / bytes transferred = [dec].


Explanation This message means that the VLAN manager received an unexpected error return from an IOS file system (IFS) call while reading the VLAN database. The first [chars] is the IFS operation that failed. The first [dec] is the error code, the second [chars] is the textual interpretation of the error code, and the second [dec] is the number of bytes transferred.


Recommended Action Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative, and provide the representative with the gathered information.

Mar 21, 2013 | Cisco Catalyst 3560-24PS Switch

1 Answer

Cisco asa 5500 - sh interface - reveals switch ingress policy drops - what are these ? will they slow down traffic ?


The following is an excerpt from cisco.com defining policy drops and their possible causes:

This drop is usually seen when a port is not configured correctly. This drop is incremented when a packet cannot be successfully forwarded within switch ports as a result of the default or user configured switch port settings. The following configurations are the likely reasons for this drop:

blank.gifThe nameif command was not configured on the VLAN interface.

Note blank.gifFor interfaces in the same VLAN, even if the nameif command was not configured, switching within the VLAN is successful, and this counter does not increment.

blank.gifThe VLAN is shut down.

blank.gifAn access port received an 802.1Q-tagged packet.

blank.gifA trunk port received a tag that is not allowed or an untagged packet.

blank.gifThe security appliance is connected to another Cisco device that has Ethernet keepalives. For example, Cisco IOS software uses Ethernet loopback packets to ensure interface health. This packet is not intended to be received by any other device; the health is ensured just by being able to send the packet. These types of packets are dropped at the switch port, and the counter increments.

blank.gifThe VLAN only has one physical interface, but the DEST of the packet does not match the MAC address of the VLAN, and it is not the broadcast address


Throubleshoot these and see if any of them apply to you. Thank you for choosing fixya.com.

Dec 04, 2010 | Cisco (ASA-SSM-AIP-20-K9=) Firewall

1 Answer

Unexplained network problems.


Hello,
I would be glad to help with this.
How many VLANs do you have? How many users per VLAN? Do you have a generic diagram (stripped of all company info) that you can share? Can you send me a "sh tech" from the core switch so I have a better feel for how things are configured?
Thanks!

May 27, 2009 | Cisco Catalyst 3750G-24T SMI...

1 Answer

IP IOS Command not working with switch


you want to give IPs to your VLANs and also make physical interfaces members of a VLAN instead of giving IPs to physical interfaces

Mar 05, 2009 | Cisco Catalyst 2960 8-Port Ethernet Switch...

1 Answer

Does HP ProCurve 1800-24G 24 Port Switch can act like a cisco router e.g. 2800 series or others


The Procurve 1800 SWITCH series supports 802.1p, 802.1q VLANS, 802.3ad LACP, 802.3x Flow control, RFC1534 DHCP/BOOTP interoperation, the Cisco 2800 series is a ROUTER and dependant on its IOS version will support a multitude of routing/security features that the Procurve just isnt designed to do.

Mar 04, 2009 | HP ProCurve Switch 1800-24G, 22-Port Web...

1 Answer

How to reset the cisco switch to factory default?


When you say you were able to connect to the switch through hyperterm, were you able to login with the enable password? If not, you cannot reset the factory defaults without the enable password. If you do not have this then search on Cisco's site for password recovery for your model switch. If you did login with the enable password, the command to run for CATos is "clear config all". For Cisco IOS, you have the right command with "write erase". When you issue that command, do you get a "Erase of nvram: complete " or an error? Are you issuing the "reload" command after a successful erase? Be sure you answer No when it asks "System configuration has been modified. Save? [yes/no]:" as sometimes this seems misleading and some people think they mean to save the reloaded default. They are really warning you that you are about to loose the old configuration and attempting to prevent you from accidently erasing it. So answer "no". After a successful reload of the IOS you should also clear any VLAN information. To do this, issue "delete flash:vlan.dat" and then do another "reload".

Aug 29, 2007 | Cisco Catalyst 3560-24PS Switch

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