Cisco Switching/Routing :: Configure Radius On 2960 And 2955
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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Jul 26, 2012
I have Cisco 2960 switches deployed in my environment along with radius server authentication. Now i need to assign some roles to particular users (shutdown port, description) so what i need to do for this task so not all users have same privileges.
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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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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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Dec 12, 2006
I have CISCO 2960 switch at my LAN. How to configure its IP address from console or hyper terminal ?
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Jan 14, 2013
I am trying to configure a new 2960 POE switch, but seem to me the int fa0 is layer 3 interface. Is any way we can convert it to a switchport, so we can connect it to other switch in trunk mode?
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Sep 20, 2012
Will catalyst2960 supports SSH, and how to configures with CLI.
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May 20, 2013
This is probably a dumb question, but I have read the 2960 stack administration guide and it does not explain how to configure the stack IP address. It says several times that the stack can be managed from the stack IP address, and that the stack IP address is a system-level configuration item. But it never explains how to configure the stack IP address.
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Mar 8, 2012
Today in my rush to get home I plugged in a new 2960 stack and did a little bit of very basic configuration, but no passwords were set. I tried to telnet in and the message says that a password is required, but none is set. I tried the SDM as I hadn't turned it off yet and it is prompting me for a user/pass but I have no idea what to put in there. No console is available, it's a new office so no employees around either.
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Jun 21, 2012
configuring a working route between two subnets (172.28.0.0/16 and 192.168.0.0/24) on a Cisco Catalyst 2960-S.
Problem: The subnet 172.28.0.0/16 is on VLAN 40 and the clients on this subnet have to access a preconfigured device with an ip in 192.168.0.0/24 subnet. The configuration of this device cannot be changed.
I have an Cisco 2960-S Lan Base (c2960s-universalk9-tar.150-1.SE3) switch [URL] that I would like to use to solve this problem.
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Mar 13, 2013
I have 2960 cisco switch. I want to configure private vlan. But it is not getting configured in cisco 2960. Is there any other way to configure that in switch.
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Apr 5, 2012
I'm been telnetting onto a 2955 and then upgraded the IOS and enabled ssh version 2 and then issues a "write", when I came back the exec-timeout had been issued and I was logged out of the router and now it is asking for a username and password and not just a password liek it did before enabling ssh. I havent yet put a username and password on yet, just the telnet.What would the username be if I havent set one?
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May 2, 2012
I'm on a Cisco 2955 switch and need to get ssh working which I have done on another 2955 (but don't have near me), what am I doing wrong?
2955-02-PJ-CamdT.LU#sh run Building configuration...
Current configuration : 4061 bytes!version 12.1no service padservice timestamps debug datetime msec [code]....
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May 20, 2012
I'm trying to configure an 1142N AP + 2960-S + ASA5505 with wireless, vlans and trunking with no success. DHCP is provided from my DHCP-server on the inside.
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Oct 13, 2011
I am trying configure tacacs authentication for http in Cisco 2960 with IOS 15.0.1.SE. [code] But the device is not authenticating. It ask the credentials (user and pass) but not authenticates.
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Apr 15, 2012
I'm trying to allow 2 users to access as 2955 switch.
-admin privilege 15
-eousers privilege 2
When they both log in they just get to the user exec mode, how can I get them to go to their respective modes? [code]
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Jan 21, 2013
I have installed Cisco 2955 Switch which already have x.x.x.x EA12 IOS and I copied x.x.x.x.EA13 into the flash: with intention to have EA13 enabled for IOS. I set the Global config for boot system by 'boot system (no falsh)x.x.EA13;x.x.EA12' but then also no luck and was showing EA12 in 'sh ver'. I then deleted the EA12 IOS and set the 'boot system flash:x.x.EA13'. I also had varified IOS EA13 by 'verify flash:IOS Filename', it verified the IOS.
But when I reloaded my switch, I'm unable to login and its in 'switch:' prompt (ROMmon mode - I believe). I then tried for flash_init, load_helper, dir flash: (showing me EA13 there) and finally boot flash:IOS Image file but no good news here... Output like this
Error loading "flash:IOS Image File EA13" Interrupt within 5 seconds to abort boot process. Error loading "flash:c2950-i6q4l2-mz.121-12c.EA1.bin"Interrupt within 5 seconds to abort boot process.
My guessing is that the IOS is corrupted (but its not showing me Error loading Image blabla...) I'm trying with EA14 of 4MB and I have 3 MB free spare and decided to remove EA13 first then through XModem try to upload EA14.
Any useful way and recommend me deleting EA13 and upgrading EA14... Also option to set boot image with having two IOS at the same time for permanent use.
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Jun 12, 2013
I Have a problem I'm trying to configure automatically my switch over ther DHCP when I start the switch it request an IP from the DHCP from here everythings is fine but it does nothing more,indeed I put on my dhcp the option 66 and 67 which is an adress of my TFTP server and a file to download and the switch seems not to understand theses options , I tried my dhcp with a cisco airport and everythings works fine the File from the TFTP is automatically downloaded into the airport...There is an option to add or am I missing something in order to make it work with my switch ?
My switch : Catalyst 2960IOS VER : 12.2(55)SE5
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Jan 21, 2013
As per the attached diagram: How do I configure the 2 ports on the 3560 (Ports 6 & 7) and the connected ports on each of the 2960 switches (Port 25) to provide redundancy.
If the up link from Switch A dies then I need the traffic to flow through the trunk and utilize the up link on Switch B with minimal delay (milliseconds).
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Jun 24, 2012
I need to configure a Cisco 2960 switch as a DHCP server. The current IP address will be on a different seed than the DHCP addresses. i.e.
Switch IP = 10.1.2.3, GW = 10.1.2.1, Subnet = 255.255.255.0
DHCP addresses would be 192.168.1.1 - 200, GW=???? (10.1.2.3?) and subnet would be 255.255.255.0
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Apr 27, 2012
I can't seem to send config changes to our syslog server on a 2950, I'm fine with 2960's and 3750's. The Cisco 2955 is using the latest IOS c2955-i6k2l2q4-mz.121-22.EA14.bin.
Here is what I have added:
logging buffered 64000 debugging
logging console informational
logging monitor informational
[Code].....
The only sylog message I get is "Configured from console by username on vty0 (10.1.1.35)
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Feb 6, 2012
I come across to use the Catalyst Switch 2955 and it has two Relay Connector with one Major (MAJ) and one Minor (MIN) as below picture.There is command line to trigger these two Relay Connectors. As below command to set the Relay Connector to minor for monitoring the power supply: alarm facility power-supply relay minor
1. My questions are when there is power-supply faulty, the Minor Relay Connctor (right picture) will be short-circuited, right?
2. If we connector the two ports (ports 4 & 5 at the left picture) with a normal cable to drive an Alram Bell (in short-circuiled or closed loop situation), do we need an external power supply to the Alram Bell? Or there will be power supply from Catalyst 2955 to the Alram Bell as well?
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Oct 25, 2011
I am having an issue with this device after setting the ip address and rebooting. I have tried renaming the config.text file without success. I have also tried the steps mentioned here: [URL]
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Nov 3, 2012
I have found that the Catalyst 2955 series switches do not use an external MODE button for getting a switch into the switch: prompt, but they use a break sequence like routers do to get into Rommon state URL
So I was wondering if there is a similar mecanism that applies to other kind of Catalyst switches, like 2960, 3560 or 3750.
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May 20, 2012
I need to only allow 5 Mac Addresses on a range of ports on a 2955 switch. If I do the following it only changes the first port in the range:
interface range fastEthernet 0/5 - 10
no spanning-tree portfastswitchport port-securityswitchport port-security maximum 5switchport port-security violation restrictswitchport port-security mac-address 00:1D:24:25:F7:AA
[Code].....
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Feb 5, 2012
One of my clients is using Cisco catalyst 2955 industrial switch.I am doing the configuration for them and come across one setting of FCS Error Hysterasis Threshold. I know FCS is Frame Check Sequence.
I do not understand is what is the meaning the setting of Hysteresis in term of percentage stand for what purpose?For example, the default is 10 percent. If I set the value to be lower 5% and what is the impact on that? Is this more stringent than default of 10% or less stringent than default of 10%?
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Sep 29, 2012
I configure 3750 stack switch as core and 2960 stack switches as access layer switches.I connected my laptop to one of my core stack in VLAN 10 and I am pinging to one of my server in VLAN 1. What will be the minimum latency at the time of inter VALN routing
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Feb 7, 2012
I have an existing stack of 4 x 2960-S switches connected by stack cables.I would like to add another 2960-S switch to the stack but am unable to as the 2960-S will only allow 4 x 2960-S switches per stack.how I would add the 5th 2960-S switch to the existing stack of 4 x 2960-S switches.
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Feb 11, 2013
I have a 24 port 2960-S that is not communicating with a 2960-LST that it is directly connected to over fiber. The link is up on the LST but will not come up on the -S. What command should I use to bring up this link? I have tried no shut from the (Config-if)# prompt.
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Feb 25, 2013
I have a problem with radius authentication on catalyst 2960 with freeradius as radius-server. The Catalyst is behind a HP5412zl layer3-switch. The rest of the network are hp-layer2 switches, which do radius authentication to the same radius server. The ios on the catalyst is c2960-lanbasek9-mz.150-1.SE3. Apparently there are no requests made to the radius-server, since I dont see any requests coming in. Port 0/7 is voice port with laptop behind , /port 0/8 access-port with laptop directly connected.
config :
aaa new-model
aaa authentication dot1x default group radius
dot1x system-auth-control
!
!
!
interface FastEthernet0/1
[code]....
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Aug 18, 2011
Find here the extraction of the configuration and the debug sysout. The radius servers works fine with all the other accesss like ssh, telnet...
Just the http access fail. This configuration work fine with the version 12.2.55 installed before.
Aaa new-model
aaa authentication login default group radius local
aaa authentication login physique local
[Code].....
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Aug 15, 2012
We are using mac authentication, it is working fine on all of the other 3560's except this new one.
Mac address shows up completely different (very long hex, doesnt even look like a mac address) on ACS compared to what its showing on the switch in the mac address table.
Im stumped, config matches every other 3560 in the building, has something changed in the v2 software compared to the older 3560's ?
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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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