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Questions tagged [cisco-2960]

For questions about or involving the Cisco 2960 Series switches. This includes the newer versions like 2960S, 2960X and 2960XR.

2
votes
1answer
57 views

Cisco QoS SRR Share & Shape impact

I am working on understanding the impact of using shaping and sharing with the SRR scheduler. Given these 2 commands on an interface: switch(config-if)#srr-queue bandwidth share 40 20 30 20 switch(...
0
votes
1answer
58 views

cisco switch iOS running into problem

I updated Cisco 2960x iOS, but when it started to operate I encountered this error. "Mar 25 12:02:19.878: %ILET-1-AUTHENTICATION_FAIL: This Switch may not have been manufactured by Cisco or with ...
3
votes
1answer
55 views

QoS on 2960X does not seem to have an impact

We have some issues with Dect stations that have a very high requirement in regards of delay. Communication between 2 devices should not exceed 500 microseconds (0.5ms). We decided to test some ...
2
votes
1answer
59 views

Traffic policing on a switch

Is this too much to ask from a Cisco switch.. Being able to limit traffic on a per IP basis on a single interface. e.g. 192.168.1.12 = 500kbps 192.168.1.30 = 200kbps I know traffic policing is ...
1
vote
0answers
50 views

Why are multicast frames not showing in the SPAN session? (on Catalyst 2960) [closed]

I have a SPAN monitor session setup to capture both tx/rx on a port 9 (see below). And I can see the multicast count ticking up on port 9. But none of the multicast packets show up in the SPAN session ...
2
votes
1answer
849 views

Can't use “dot1x” command in Cisco Packet Tracer

I am trying to configure 802.1X authentication on a Cisco switch 2960 in Cisco Packet Tracer software. Here I found the offical guide: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/...
1
vote
1answer
53 views

Need clarification on some Cisco configurations

Here is the situation : I have an HP server with 2 network interfaces linked to a Cisco switch. I want to configure the switch to accept the NIC teaming of the server. I have always believed that the ...
1
vote
3answers
3k views

Disable DHCP on a 2960x?

I must start this by saying I am quite new to the IT scene. Also, I am very new to cisco switches.. I have been tasked to find out information on disabling DHCP on the cisco, and instead have the ...
1
vote
2answers
826 views

Is it possible to enable jumbo frame only on some interfaces of CISCO WS-C2960X-24PS-L

We want to enable 9K jumbo frame on CISCO WS-C2960X-24PS-L switches, however I found this line in the documentation and it made me confused and concerned because it involves reset and reload of switch ...
1
vote
1answer
259 views

Updating config on 2960s Stack by copying from FTP

I'd like to upgrade a stack of Cisco 2960s switches with a new configuration, and I would like to know what is required to copy a pre-populated config.text file from an FTP server to the switch stack. ...
0
votes
1answer
513 views

How can I ping from the cisco switch to host on one vlan but not another vlan? [closed]

I have 2960 with two vlans, voice(40), data(50). I have 2 laptops and a VOIP phone connected. I can ping the gateway ( a Fortigate 60D which is the DHCP server which is working properly) from both ...
2
votes
2answers
266 views

How do I diagnose a VoIP issue on a Cisco 2811?

Background Our shop consists of approximately 10~12 Cisco IP phones which then connect to their respective workstations. Each phone is connected to the only switch in the shop which is a Cisco 2950 ...
3
votes
3answers
436 views

Bridge is always root for a vlan

I have a switch that is not receiving BPDU Hellos properly and I have not been able to pin point the problem. Switch 1 puts all ports for vlan4 into desg mode and claims it is the root for vlan4 (the ...
3
votes
1answer
1k views

Disable empty power slot on Cisco 2960xr

I have a ws-C2960XR-24ps-I switch with 2 slots for power supply's but only 1 power supply inserted. So the switch is always logging an event : "%PLATFORM_ENV-1-FRU_PS_ACCESS: FRU Power Supply is not ...
1
vote
1answer
89 views

WAP551 connected to WS-C2960X-24TD-L does not turn on, no PoE?

I just set up a new WS-C2960X-24TD-L, and I can access the switch via Network Assistant without any issues. However, when I plug in the WAP directly to the switch with the included cable, it seems to ...
1
vote
1answer
218 views

Cisco 2960: RSTP finished when?

I have several Cisco 2960 switches here, all configured for RSTP. 15.0(2)SE6 C2960-LANBASEK9-M spanning-tree mode rapid-pvst Topology is as follows: S1 -- S2 -- S4 \ / \__S3__/ I ...
2
votes
1answer
5k views

2960s and outdiscards

I have an issue with a pair of 2960s switches. I can see a lot of outdiscards on some of the interfaces and the end users are noticing network issues. I also have some access points that can't ...
2
votes
1answer
2k views

VLAN routing on a SonicWall TZ215

I desperatly need some help. Ok, quick topic. We've a fiber optic link configure through a Cisco 2960 with 2 externals VLAN (one for voip, one for data configure through 4 of the 2960 ports) on which ...
1
vote
1answer
141 views

Cisco Catalyst 2960: incorrect data in the Web interface [closed]

Found this problem in the web interface on Cisco WS-C2960G-24TC-L: the "Smartports" descriptions of the ports do not corresponds to the actual configuration received from memory with the command show ...
5
votes
1answer
1k views

Native Vlan Cisco Catalyst and Layer 3 switch

I have run into an interesting issue setting the native VLAN between one of my Cisco Catalyst 2960 and my Layer 3 switch (third party). Here is the setup, the layer three switch is set up to run on ...
5
votes
2answers
3k views

Using channel-group mode on in my full Cisco enviroment

this is my first question over here. I have a question about using channel-group mode on or channel-group mode active. I have a core 3750x with 2 stacked SFPs nodes. Each pair of ports of a node ...
6
votes
2answers
799 views

Cisco 2960 Portfast ports generate Spanning Tree TCN

We are operating several Cisco 2960S stacks here and, for some time, are experiencing regular Spanning Tree TCNs (Topology Change Notifications). When using show spanning-tree detail to get to the ...
2
votes
1answer
1k views

Rate limiting specific IP adresses on Cisco 2960S and 2960X series

We are looking into rate limiting some specific IP addresses down to 5mbit for various bandwidth reasons. Is is possible to rate limit ingress and egress traffic for specific IP addressees on the ...
5
votes
2answers
5k views

Limit egress traffic 2960G

This is to support a user who has the requirement of simulating specific speeds for download/upload. We have configured a limit using service-policy that as successfully limiting upload speed (...
4
votes
2answers
5k views

Cisco 2960 Syslog - All logs not sent to Server

I have just installed Kiwi Syslog Server and is trying to capture Syslog messages from my Cisco 2960 Switches. Based on the docs online I have created following configuration: logging 192.168.1.5 ...
4
votes
3answers
888 views

Cisco 2960 Switches denying Telnet connections randomly

I have 5 2960 switches configured in my network. The issue I am facing is that while telnetting to the switches (eg: A) sometimes abruptly the telnet connection gets closed and repeated attempts sees ...
3
votes
2answers
549 views

Interface capabilities: CISCO 2960S vs WS-X4648

We are going to deploy customer access switches. We can chose between two switch solutions: 1) CISCO 2960S 2) line card WS-X4648 in CISCO 4507R+E (Sup7L-E). Our customers will work with video ...