Cisco Switching/Routing :: Configure 802.1x RADIUS Authentication On 2950-24TT-L Switch?
May 3, 2013
I am trying to configure 802.1x RADIUS Authentication on cisco 2950-24TT-L Switch. I am using following set of command as given below
Switch# configure t
Switch(config)# aaa new-model
Switch(config)# aaa authentication dotx default group redius
Switch(config)# dot1x system-auth-control
Switch(config)# inter fasteth 0/1
Switch(config)#dot1x port-control atuo
I am facing problem dot1x command is not working on interface.
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Feb 14, 2013
can i configure virtual circuits on cisco layer 2 switch catalyst 2950 ?
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Dec 15, 2012
does the WS-C2960-24TT-L switch support power over Ethernet ?
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Jan 10, 2012
ws-c2960-24tt-L Ethernet switch adding or removing any device from switch cause a loss of connection to all other devices on switch for about 60sec.
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Mar 14, 2011
I have issue with 2950 switch dot1x config is not working , but on 2960 its working fine .Below are the configs from both switches and a debug dot1x all snap, what may be the issue with 2950 switch ...
on 2950======>
aaa new-modelaaa authentication dot1x default group radiusaaa authorization network default group radius
[Code].....
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Jan 19, 2013
I am facing issue with nexus 7010 login authentication by radius server. I have two nexus 7010, one of them is working perfectly. Other taking long time to authenticate. If i use local database to login it works perfectly. It works fine also if i login from console using radius for authentication.
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Mar 4, 2013
I have a one 3750x switch and 10 nos of 2950 switch, i want to configuration etherchanel between 3750 to 2950, for that i need 10 nos of etherchanel interface(virtual), but the 2950 switch support maximum of 6 nos of etherchanel port?
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May 20, 2012
I have a Cisco catalyst 2950 and would like it's basic setup. It is connected to a Cisco ASA5510 on GigabitEthernet0/1. The ASA has two v lans configured. 101 and 102. I would like to configure my switch to be managed on the following IP which is on the 102 sub net:
172.16.102.253/24
Also, i would like to configure GigabitEthernet0/1 as a runk port to allow both v lans.
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Aug 3, 2011
Configuring a network with Rapid Spanning Tree Protocol. There's a combination of Cisco 3650s, 2950 and 2960 switches. It is a flat Layer 2 network with a single VLAN. CLI configuration?
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Jun 22, 2012
One of my wi-fi site having 2nos cisco 2950 switchs. in that network some D-link unmanageble swithes also there and access points also connected to cisco switchs and D-link switchs.after one or two days i am not able to connect the wi-fi, then i need to restart the access point then only wi-fi is working fine.I upgraded the latest ios also.I connected some access points to the cisco switch ports, those ports are showing crc error messages like below. [code]
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Feb 8, 2013
After setting up the domain name I try to use the crypto key and it is no where to be located. Below is some of the information I copied from TeraTerm
Switch-1(config)#ip domain-name justin.lab.comSwitch-1(config)#crySwitch-1(config)#cry?% Unrecognized commandSwitch-1(config)#crypto key ?% Unrecognized commandSwitch-1(config)#crypto key ^% Invalid input detected at '^' marker.
Switch-1(config)#?Configure commands: aaa
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Mar 25, 2012
I have cisco 2950 catalyst switch, verson IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(20)EA1a, RELEASE SOFTWARE (fc1)
So. for one of my port (FE 0/3) i need to put the bandwith limit 512 kbps, how to configure the above same.
Note:- I configured the below but no effect
1. interface FastEthernet0/3description * CONT TO B-CENTER *switchport access vlan 10switchport mode accessbandwidth 1024speed 10
2. and there is no srr bandwidth limit option for 2950, but the same is working for 2960.
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Aug 13, 2012
Do they have a default IP assigned to them?
I'm trying to access the CMS administration page from my browser. I've already tried 192.168.0.1 and that brings up my gateway (cable modem from Time Warner).
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Jan 5, 2012
I upgraded a Catalyst 2950 switch and there wasn't enough room so I deleted the flash. The upgraded went well using tftp. It booted up fine. The I0S version includes crypto. But, I can't access switch via web browser or CNA. Port scan shows port 80 0pen. What am I missing?
Here is the flash.
Directory of flash:/
2 -rwx 112 Mar 01 1993 01:00:48 +00:00 info 3 -rwx 3722814 Mar 01 1993 01:02:58 +00:00 c2950-i6k2l2q4-mz.121-22.EA14.bin 4 drwx 4416 Mar 01 1993 01:03:45 +00:00 html 331 -rwx 112 Mar 01 1993 01:04:19 +00:00 info.ver 332 -rwx [code]....
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Nov 4, 2012
I am planning to change the management IP (VLAN 5) to one of my Cisco 2950 switch, Here I am creating a new VLAN101 and assign new IP
When I am doing this VLAN 2 is going admin down.
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Mar 21, 2013
I went to configure RADIUS on my 3750X with IOS 15, and lo and behold it is not where it used to be. Did it get moved somewhere else that I can't seem to find very easily?
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Apr 3, 2012
I'm about to configure radius on a 2960 and 2955 switch as I have been testing this on a 1841 router and to my dismay I can't see the options to configure radius, do these L2 switches not supoprt radius?
edit - apoligies I forgot the "aaa new-model" all ok now
Although when I added:
radius-server host 10.1.1.1 auth-port 1645 acct-port 1646 key 123456789
radius-server host 10.1.1.2 auth-port 1645 acct-port 1646 key 123456789
radius-server vsa send accountingradius-server vsa send authentication
I got this:
Warning: This CLI will be deprecated soon. Please move to radius server <name> CLI.
And what woudl the above look like if I configured it that way?
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Nov 3, 2011
My requirement is that I want to set same console password in 12 switch instantly...
All the 12 switch are connected to a cisco 6500 L3 switch..
So how can i do that.. i have cisco acs 4.1...
can i do that by cisco acs 4.1 if not tell me an software or command ...
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Jul 17, 2012
I have 2950 switch booting through MOnitor Mode.Analyzed there is no Cisco IOS image in flash.
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Feb 12, 2012
I have a cisco 2950 switch, connected with 4Mbps of internet and number of users will access the internet. There is no restraction on bandwidth limit for users, if any body use high download the remaining users are facing the slow browsing problems.
So, if i can put a bandwidth limitation for every users the problem will be solved. how to restract the bandwidth on user bases.
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Jan 9, 2012
I would like to know if ip helper-address feature is working on a layer 2 switch (2950,2960) or you should use a Layer 3 switch to do that?
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Feb 11, 2012
With out using any server, will DHCP be configured in cisco 2950/2960 switch?I man cisco it self should work as a dhcp server also.
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Apr 15, 2010
I have two 3560G 24 port switches. Each of them connects to some 3560G or 2950 switches. Trunks between 3560G are set as 1000/full. Trunks between 3560G and 2950 are set as 100/full. show int status also shows the interface negotiation is 100/full for trunks between 3560G and 2950. The issue is I keep getting outdiscard errors in trunks between 3560G and 2950. At 2950 switches, I see Recv-errors too. I checked all the trunks traffic. They are totally not high. Only serveal mbps. Most time even lower than 1mbps.
I googled this kind of issue online. I see it could be possibly caused by high volume traffic higher than the capacity. But it appears the traffic there is not high enough to cause this kind of issue. Is there any possiblity that could cause this problem?
The below is 3560G trunk configuration for 2950 switch
interface GigabitEthernet0/10 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1-122,124-4094 switchport mode trunk speed 100 duplex full srr-queue bandwidth share 10 10 60 20 queue-set 2 priority-queue out mls qos trust cos auto qos voip trust
the trunk configuration at 2950 switch: interface FastEthernet0/24 switchport trunk allowed vlan 1-122,124-4094 speed 100 duplex full
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Feb 13, 2012
As always, the Cisco LMS is keep sending the follwoing high discard error from the Cisco switches WS-C2950T-24:
EVENT ID = 0004SX3
ALERT ID = 00019LF
TIME = Tue 14-Feb-2012 08:56:35 GMT
[Code].....
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Nov 3, 2011
In my lab, there are some machines that are connected using Cisco 2950 switches. Those machines belong to a VLAN.Now I need to modify the VLAN settings of the machines and as such I also need to modify the VLAN settings on the ports on the Cisco switches.
In order to do this, first I need to login to those switches, but due to a lack of knowledge transfer, I don't have the password. Is the some generic password?Second I will need to modify the VLAN settings on each individual port. How can I do this?
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Jul 25, 2012
I have a question about ACS RADIUS authentication with Alteon 3408 L4 Switch.
I configured a ACS 4.2.1(build 15 patch 4) software for windows on Windows Server 2008 Server STD.TACACS authentication with CISCO product was successfully passed.but RADIUS (IETF) authentication with NORTEL 3408 Switch was failed. ACS Authentication Failure Code was a " ACS password invalid "
I read the post that RADIUS VSA is needed in my environment.but i can not search any sample Nortel VSA dictionary configuration. Need Notel specific VSA configuration.
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Feb 13, 2012
A Cisco 3560V2 was bought to complete a project at my company. I noticed the IPBase IOS Image was installed. I was unable to configure RADIUS. I upgraded the IOS to the Latest Release of the IPServices IOS Image. I still dont have the capabilities of configuring RADIUS.
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May 26, 2013
how to recover password and retrive configuration on Cisco switch 2950 and 3560.I know the way to press and hold the mode button and then plug in the power cord can reset the switch to factory default but it will reset everything to nothing. As such, it is not what I want and I want to keep the configuration file and able to use the configuration on the switch.
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Nov 4, 2012
we are using 3750 and 2950 switches both of them do not support vlan up to 4000 .we need vlan about 3000 .Whic cisco series switch do support vlan up to 4000.
2950
S-SW1.3(config-vlan)#exi
Proposed configuration has too many VLANs for this platform. Reduce the number of VLANs proposed.
S-SW1.3(config)#end
3750
SW1(config-vlan)#exi
proposed configuration exceeds the limit of 1005 VLANs that can be supported on this platform. Reduce the number of VLANs proposed to be within this limit.
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Mar 18, 2009
Can a layer 2 cisco 2950 switch be used as a dhcp server with it's own address pool.
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Jan 27, 2013
I have a lab setup to take my CCNA and CCNP and I'm having issues trying to get WAN connectivity back to a switch at the end of my network. My lab environment consists of 1 - 2950 switch, 1 - 2620 and 1 - 2621XM. I have 1 Ethernet connection from each router to the switch and 1 serial connection from the 2620 to the 2621XM. I have the serial interfaces in a shutdown state right now so there is no loop since I do not have Spanning tree setup on the ports on the switch yet.
Right now using the fast ethernet ports on the routers and I have no issues its when I shut down those Ethernet ports and try using the serial interfaces when I start having issues. So my network layout is Ethernet from switch port f0/4 to port f0/0 on 2620 and serial from s0/1 on the 2620 to s0/2 on the 2621XM. My 2621XM f0/1 is whats connected to the WAN and I have no issues getting to the WAN from my 2621Xm or my 2620 but when I try pinging any website or even my WAN default gateway from my switch I get nothing!
Ive also noticed that when I do a IP NAT translation (after accessing the WAN from my 2620) on my 2621XM the source IP is of my serial connection not the ip of my 2620 router? I have my default gateway on the 2620 as the the IP of my serial interface on the 2621XM and vice versa because my LAN network is 172.16.1.0 and my WAN is 172.16.9.0. I have a /31 setup between my serial connections 172.16.11.0 (s0/1) is on the 2620 and 172.16.11.1(s0/2) is on the 2621XM. I used the SDM (ver 2.5) to setup NAT to have f0/1 with Nat outside and s0/2 as Nat inside. Encapsulation is HDLC between the serial links. Ive attached the running configs of the switch and routers.
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Jul 20, 2011
getting radius to work on a 2950G switch with an older IOS of 12.1(22)EA1. I have radius setup on a windows 2k8 box and all of my other switches 2960's and above have no issues. I am unable to input the nas-identifier of 32 into the config using - radius-server 32 attribute 32 include-in-access-req format %h as well as the aaa session-id common commands. Doing a debug radius says that the radius server is not defined.
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Jan 29, 2012
I am having problem in upgrading Cat2960 because I deleted the flash in this switch already and now I need installing an IOS image? [code]
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