Cisco AAA/Identity/Nac :: 2960 Configuration Combination Not Working
Mar 3, 2013
We have a configuration that work fine but one of the combinations it don´t work. When we connect a guest laptop, the first time work fine. The configuration is when the laptop don´t authenticates with radius, the dhcp server assigned vlan guest and ip guest. The first time was ok. After, We connect a laptop with users authenticates work ok, the radius asigned vlan of users and dhcp server assigned ip users. The problem was when we connect for two time a guest laptop, radius didn´t validate and laptop didn´t negociate ip with dhcp server. In this time, the administrator of dhcp server, tell us that they didn´t see nothing traffic of my mac. and anymore run fine. If Whe change the port of switch , the laptup start working again.
Radius=NPS
Server dhcp: is typical.
Our scenario is with a ip cisco phone. the ip phone don´t have the authentication. The administrator of radius tell us that the configuratation is fine and the configuration of dhcp is fine. When we connect only laptop, everything run ok.
Configuration Port.
interface GigabitEthernet1/0/3
switchport access vlan 202
switchport mode access
[Code]...
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Oct 28, 2012
I'm trying to test such 802.1x wired environment:windows xp sp3 as supplicant windows NPS as radius server 2960 as authenticator latest anyconnect (3.1.01065) + nam and standalone profile editor.I have a question: What is the difference between protected identity pattern and unprotected identity pattern (set in nam profile editor)? As I understand documentation PEAP-MSCHAPv2 is a tunneled method and it uses un- protected identity pattern to protect user's identity during phase 0. But if I use any fake identity here (anonymous, anonymous@[domain], etc) access is rejected (Access-Reject in switch debugs). I have to use exacly the same pattern in unprotected identity pattern as in protected identity pattern ([username] or [username]@[domain]) to gain access, regardless of authenticaton mode (same in machine only, user only authentication).
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Mar 20, 2013
I am trying to get AAA Authentication working on a Cisco 2960-24pc-l running 12.2(55)SE5 IOS and cannot get it to work. I have it currently working on a Cisco 3750-24te-m running 12.2(55)SE IOS. Here is my config: [code]
When I login to the 3750, AAA is used. When I login to the 2960, the local username is used. Any thoughs here as to why it works on the 3850 and not the 2960?
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Mar 27, 2012
on the followup the document "Configuration example : central web-authentication with a switch and Identity Service Engine" by Nicolas Darchis, since the redirection on the switch is not working.
I'm using ISE Version : 1.0.4.573 and WS-C2960-24PC-L w/software 12.2(55)SE1 and image C2960-LANBASEK9-M for the access.
The interface configuration looks like this:
interface FastEthernet0/24
switchport access vlan 6
switchport mode access
switchport voice vlan 20
ip access-group webauth in(code)
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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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Sep 5, 2012
I have a problem with my routers (cisco 1941)I'm running a DMVPN network (Hub and spoke)All the hubs are connected to the 2 hubs. With 4 tunnels. (each hub has 2 interfaces to the spokes. the spokes only have one interface to the hubs, so I splitted them and so I now have 4 dmvpn tunnels). one of the interfaces on a hub malfuntioned and because of that the customers had problems with logging in and sending packets. I made this kind of structure because of when one of the tunnels failed the spoke could use the 3 others... BUT, what happened here was that the spoke still tried to use all 4 of the tunnels and because of that I had 25% package loss!So this didn't work. Now I read about IP SLA, but I was wondering of this could work? (I cannot test it on spare routers, and I don't want to implement it and risking a total network failure...) and how to configure it. Should I make 4 different sla processes which I should all 4 track? And when I make the ip routes, how should I make or configure it so that 1 of the tunnels/interfaces fails that the spoke would addapt the routes?
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Jun 23, 2011
How to switch on wireless using key combination
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May 17, 2011
I have configured the cisco 2960 switch with AAA & the radius server is free radius. I am able to login into the switch when radius server is working.But when radius server is not reachable, in that particular condition the switch doesn't move to local authentication configured on the switch.
aaa new-modelaaa group server radius radiuss server 10.1.0.215 auth-port 1812 acct-port 1813!aaa authentication login default group radiuss enableaaa authentication login CONSOLE localaaa authentication enable default group radiusaaa authorization exec default group radius if-authenticated
radius-server host 10.1.0.215 auth-port 1812 acct-port 1813 key 7 071F285C422948514117171
radius-server retransmit 2
line con 0 exec-timeout 5 0 privilege level 15 password 7 14341B1B7D6F0417626173455E47060F login authentication CONSOLEline vty 0 4 access-class 91 in exec-timeout 5 0 password 7 106D004F2C3B7B7F757E6A64812812d transport input sshline vty 5 15 access-class 91 in exec-timeout 5 0 password 7 106D000A061845jsajtqwkd327E6A64 transport input ssh
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Feb 15, 2012
I have a serious problem with cisco 2960 router,i am using a dell dimension 3000 running a microsoft windows xp proffessional.
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Jan 10, 2012
I replaced an access switch 3750 with a switch 2960. Basically I just copy the whole config of the 3750 to 2960.
The 3750 use AAA, Crypto pki trustpoint TP-self-signed and radius-server host etc.
Now I can only telnet to 2960 but not SSH to it.
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Nov 13, 2012
I have the following topology:
2x 877 routers, one interface from each router (port Fa0 which belongs to the router internal switch) is connected to the 2960 switch, the switch himself configured with default settings, flat with one v LAN.
I have configured HSRP in the following manner: router A is 10.0.0.2, router B is 10.0.0.3, virtual IP is 10.0.0.1, take note that the HSRP configuration along with the IP address are configured on vlan1 interface.
Now when i connect a PC to the switch with static IP (10.0.0.4) and trying to ping 10.0.0.1 I'm not getting replies. i see on the PC, using wire shark, the icmp request goes out but on the primary router (and also on the backup) i can't see the icmp request (using debug ip icmp).
this behavior happens only when the HSRP is configured on interface vlan1, when configuring the same configuration on Fa4 (which is WAN interface) everything works fine.
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Dec 30, 2011
while working with Cisco's CNA (Cisco Network Assistant) on a 2960 switch, any change done by this tool is sent out as an empty set of commands, to a TACACS server to approve.
I have 2960 switch, a PC with CNA on it and brand new ACS 5.2. This switch is set up for TACACS+ authorization. While working with TELNET/SSH, all commands are authorized properly. When doing "debug aaa authorization", you can see the commands are being sent to a TACACS server (as expected) for approval. And what is more important – within the debug output every command appears at "AV CMD= …" and "Arguments = …" Those commands seen by the ACS and approved correctly.But, when working with CNA, those fields (i.e. av cmd and arguments) are empty in the first place. Hence all what ACS does see are "empty commands" and no clue for the correct ones (say, changing interface's description). The HTTP server has it set of authorization commands.
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Nov 25, 2011
I am trying to solve this problem without success so far. I have fresh ACS 4.2.15 patch 5 ACS installation and I am tryng to deploy it to our environment. So I have configured one 2960S to be my test client and everything works fine. Problem is when I try to create fine grained policies using network device groups and shell authorization sets.
I have created shell authorization sets called ReadOnly and FullAccess. I have also created NDG called FloorSwitches and added my 2960. I have 2 user groups called FloorSwitchesReadOnly and FloorSwithcesFullAccess. Now, if I configure group FloorSwitchesFullAccess and assign Shell command authorization set per NDG and then log into the switch, all of my commands are refused as unauthorized.
One thing that I have noticed is that if I assign shell command authorization set to any device ( in user group settings ) it works fine. Or if I create association with DEFAULT NDG in user group it also works. So my conclusion is that ACS for some reason does not associate my switch with correct group but rather puts it to DEFAULT group for some reason.
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Jan 17, 2012
At a college we have Ciscos 2960 and are trying to setup VLAN tagging and also using RST or MST. The traffic on the jack should get tagged vlan 248.We were told by the college that Ciscos in the labs will not work with the Alcatel switch that provides access to the lab. That Alcatel is in Bridge 1x1 mode. The college will not change the configuration on the Alcatel.We got the Ciscos to do VLAN tagging and can get network access. However the spanning- tree is not read properly. Cisco does not properly read the Alcatel's RSTP (since the Alcatel is doing tagging on the BPDUs). It places the root of the spanning tree under vlan1 instead of vlan248.
The college strongly recommends HP Procurves and we are using that as test.The following is the configuration on the HP and it works with no effort (it reads the spanning-tree information as MST)We will end up getting HPs instead, if the Cisco cannot work with the Alcatels.
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Jan 12, 2013
I have successfully installed a DCS-930L camera. However, when I add a second DCS-942L camera everything stops when I enter my existing account and password stating that they are incorrect (which they are not). The answer I get is: "Invalid e-mail and password combination".
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Dec 30, 2012
I configured the below config in Routers it is working good , but when i do the same in SWITCH-2960 , i am getting a problem not able to login to enable mode ... i am getting the basic login only ....
Error msg : % Error in Authentication.
Need to be configured at TAFE Network Devices: Code...
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Jun 21, 2012
[Env on my lab investigation]
supplicant - W7 with cert
authenticator - Catalyst 2960 with IOS 15.0(1)SE2 /newest/
authentication server 2x - W2008/NPS like a RADIUS server
The problem is the end station that are still connected to the supplicant port /use a EAP-TLS/ after the reboot supplicant! All of them will be put into the Guest VLAN instead of static VLAN 34!
[The question]
What is wrong and how to configure/tune and what authenticator or authentication server to prevent after the reboot to observe a authentication timeouts? Of course the supplicant after 20 minutes /next EAPOL start farmet put into VLAN 34.
[Code] ........
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Apr 17, 2011
I would like to configure a guest-vlan and restricted-vlan on a 2960 switch, but I can not.
I am trying to configure the interface using the following commands: [code] similar result is obtained while trying to configure a auth-fail vlan. the full configuration file is attached.
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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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Apr 23, 2013
First, my configuration, (then the problem down below):
I have an Aironet 1142 with multiple SSIDs [mapped to V LANs] connected to Gi1/0/2 on a 2960 switch in a user-accessible area. This switch is up linked to another 2960 switch in a wiring closet, and the Microsoft NPS server is connected to the wiring closet 2960.
Aironet -- 2960 [user area] --- 2960 [closet] -- NPS RADIUS
I have the user-area 2960 configured as an authenticator switch for dot1x, and port Gi1/0/2 is authenticating the Aironet via MAB to RADIUS. RADIUS is sending VSA device-traffic-class=switch to the 2960. The closet-2960 has no special 802.1x configuration, nor is it an authenticator switch; it just has a manually-configured trunk port to the user-area 2960 [for now; I'm trying to take this one step at a time!].
The user-area 2960 correctly converts port Gi1/0/1 to a trunk port when the Aironet is authenticated [via MAB]. The Aironet boots up, the port is opened, I can ping the Aironet on the native V LAN, and all is well [so it seems]. The Aironet dot11Radio is configured for two SSIDs and mapped to V LANs, which are being spanned via STP thru the user-area 2960 and the closet-2960. STP is correct and verified on all switches.
I have DHCP snooping configured on the user-area 2960 but only for V LAN 1 [but NOT the wireless user V LANs], the trunk port to the closet 2960 is a trusted port. Hosts on the wired ports on the user-area 2960 are able to get DHCP IPs. On the Aironet, "show dot11 associations" shows hosts on the SSIDs are getting DHCP addresses. Again, I am *NOT* running dhcp snooping on wireless SSID V LANs [i read elsewhere that can cause problems as users roam between Aironets].
I do have CISP configured on the user-area 2960. I do not have CISP configured on the closet-2960 [best I can tell, that's not required at this stage, but I could be wrong]. Despite the alleged documentation, I could not get the Aironet to use a dot1x credentials profile to authenticate to NPS/RADIUS as an 802.1x supplicant, which is why I resorted to MAB for this exercise. The Aironet simply would not run dot1x [best I could tell]. The documentation and configuration didn't seem complex, so I was quite confused.
I have upgraded the Aironet to the latest 12.4(25d)JA2 software, and the 2960 is at 12.2(55)SE7 [i saw 12.2(58) has some issues, but I'm willing to be persuaded otherwise, based on sound advice]. Ok, now the problem:
Users on the guest wireless SSID (V lan 20) say they cannot connect. Yep, classic. V LAN 20 is trunk and spanned to all the sufficient places. The Aironet shows users in the associations list for that SSID with IP addresses from the DHCP server! DHCP snooping is not configured on that V LAN. I read another support forum post saying CISP and MAB could cause problems with "disappearing" ARP entries. I appear to have that problem. However, the user on the Staff wireless (V LAN 10) has full access. Am I running into a problem with "multi- host" authentication config? Via tcpdump on my firewall, I see nothing but broadcast and multicast traffic coming from a host on VLAN 20. What puzzles me is how I do see *SOME* traffic from a V LAN 20 host on this SSID, but no uni cast traffic!
Since you're going to ask, here is my port config for this AP on the 2960 authenticator switch in the user-area, and the AAA config pieces:
#sh run br | in ip dhcp
ip dhcp snooping vlan 1
no ip dhcp snooping information option
ip dhcp snooping database flash:dhcp_snoop.txt
ip dhcp snooping
[code]......
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Jan 17, 2013
I was looking for a way the manually re-authenticate dot1x client from cli and found this: [URL]
"You manually reauthenticate the client by entering the dot1x reauthenticate interface interface-id privileged EXEC command"
I've tried it 2960 with 12.2(58)SE and 15.0(2)SE, but it doesn't seems to be implemented. Have I missunderstood something? Or do you guys have any other command to accomplish a manually re-auth?
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Apr 11, 2012
We find that some of the utilized iPads (iPad2, iOS 5) have a significant delay to connect to the WiFi after waking up.. though some of them show the WiFi-icon instantly after wake-up.. That is causing the crestron App on it to "malfunction", which is to say that it can't connect to it's server and goes back to home screen to allow re-connect..
WLC and LAPs using the latest software (7.2.103.0).. encryption is WPA2/PSK..
I changed the WLAN to use 802.11g only.. changed Beacon-Time.. changed encyption.. changed WMM settings..Alas, the iPads that expose this behaviour do not show any difference with the changes..
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Feb 25, 2013
I'm trying to save a configuration file on my 2960-48PST to a FTP server.
Unfortunately it doesn't work. What different steps I should follow ?
The software version is 12.2(50)SE5.
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May 5, 2013
I have a 2960 that bounced several times over the weekend and then appears to have lost its configuration. Using CDP from the backbone switch pulls up the information below. Is there any way for me to configure the downed switch from another switch on the network? I am trying to avoid having someone from the site try to find a console cable and a suitable computer with a serial port. [code]
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Oct 21, 2011
I did the DHCP configuration for my CISCO 2960 switch but the clients are still not able to get the IPs.see the configuration below.
(config)#ip dhcp database cisco.com
(config)#pool test
(config-if)#client client-id vlan 500
(config-if)#ip dhcp snooping trust
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Mar 11, 2013
Using Cisco 2960 series switches (Have 8 . 2 stacks of 4) to replace 6 old switches. 4 old switches had IP ranges of 192.168.6.*** and all new switches have 10.1.*.* addresses. Core switch has 10.1. as well as 192.168 ip addresses but i need to configure one vlan (5?) to route to 192.168 address. PC's on 10. address taking a long time to access 192 range.
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Jul 26, 2012
I'm fairly new at trying to create isolated network segments on Cisco switches. What I'm trying to do is have multiple isolated paths that originate from my v Sphere infrastructure travel through a layer 2 link, v LAN, up to a MLS, and ultimately out to to the internet through a firewall. Each sub net might ultimately have a number of hosts on it, but I don't think the make up of those hosts will matter here.
My initial thought was creating v LAN tagged port groups on v Switches on my v Sphere infrastructure. Physical connections will go from my ESXi hosts to the 2900 series Cisco switch connected to trunk ports. Both v LANs would be configured on the switch but not assigned to physical ports. The physical connection to the 3750 would also be a trunk port connection from the 2960. The 3750 would have SVI's created that are attached to VRFs that would control route traffic. This might be totally wrong but from what i've read it seems to be going down the correct path I think.
Two part question, is this the best way to go about designing this network? If so I seem to be really struggling with the SVI/VRF part. Every time I create an SVI all of my hosts on the 10.10.10.x network can ping them, regardless of which v LAN they're on.
I just cannot seem to isolate the 172 network.
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Jun 4, 2012
I have an switch 2960 and i have made an SSH connection . But the problem is that whenever i try to open with my teraterm or putty it ask for username and after that password but does take the password. It shows an error of password what should be the problem.
Commands that i entered to make SSH
config# username admin password pankaj
config# ip domain-name home.local
config# crypto key generate rsa
config# 1024
config# ip ssh version 2
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Jun 4, 2012
I have an switch 2960 and i have made an SSH connection . But the problem is that whenever i try to open with my teraterm or putty it ask for username and after that password but does take the password. It shows an error of password what should be the problem.
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Dec 19, 2011
Placing a second router behind a cable modem router combination.? My second router is a netgear WNR 2000 the first router is Netgear 1000.How should I configure the the WNR 2000?? Default settings?
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Jan 17, 2010
Recently I sold a rv082 router to a client.He uses a Windows XP environment to dail in using QuickVPN.A week ago an office admin wanted to connect using Windows 7 and it does not work.The client starts do dial and connects but the connection does not work.The admin does not use a router and there is no active software firewall.
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Sep 10, 2012
I have Cisco 2960's, 3750's and 3750x's all running IOS on the access layer. I have Cisco 6504's running IOS on the Distribution and Core layers. I am looking to monitor redundant links through Spectrum by having specific ports send traps but I have run into trouble finding how to configure it. I would like to have:
1. Logging enabled for all links (Fiber and Copper) so that I see all links up/down messages in the syslog
2. SNMP traps sent for linkup/link down messages only for redundant links (ex. Dual Up links from Access Layer or Redundant Ether channel Links on Dist Layer)
3. SNMP traps should be ignored/not sent for all copper ports.
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Feb 28, 2012
We had core(4503), distribution(3750), and access switches(2960) in our environment. Currently we configured the clock manually in each switch, but a reboot of the switch resets the clock also. We are planning to make a single switch as a NTP servers and others are clients to synchronise the correct time even after a reboot of the access switches.
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