Cisco :: 2960S Catalyst Access Switch From VPN
Dec 10, 2012
I have a 2960S Catalyst switch in my LAN, with the firewall and the servers in the same VLAN (vlan 3).All the servers and the firewall are in the vlan 3 are in the "192.168.19.0/24" subnet, the firewall has the IP "192.168.19.1".I can land on the firewall with a VPN (192.168.130.0/24) which has a complete view on the subnet 19/24.I can access, manage and get SNMP information of the Catalyst from the servers but I can't do the same from the VPN.Is there some feature I need to enable on the switch in order to allow 192.168.130.0/24 to access it?
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Apr 15, 2011
I have several 2960s and 3750s and two 6506 (ws-cac-3000w) recently move to new location The power outlet is the same ,but Volt is different current 2960/3750 use this(one phase 3 wire) 220v and new location change to (from 3 phase 4 wire -> one phase 220v)6506 current using(one phase 3 wire) and will be change to (from 3 phase 4 wire -> one phase 220v)
I had search doc about power supply /cable , only show support single phase 220 v ,but not description vlot between each wire !!Does new location power outlet suit for 2960/3750s power and 6500 ws-cac-3000w ?!? Do I need chane power outlet back to current using?
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Nov 9, 2012
Unable to access switch from outside the local network. Can get to all routers and PC's
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Oct 19, 2011
I have a pair of switches stacked:
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
1 52 WS-C2960S-48FPS-L 15.0(1)SE C2960S-UNIVERSALK9-M
* 2 52 WS-C2960S-48FPS-L 15.0(1)SE C2960S-UNIVERSALK9-M
When I try to enable ip sla responder on the stack I get:
%SYS-3-HARIKARI: Process IP SLAs Responder top-level routine exited
I have been able to find a bug in the toolkit. Should ip sla responder be supported on the stack as above?
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Jul 25, 2011
I have a CiscoWorks LMS 2.6 and i would like to know if the new Switches Catalyst 2960-S Series are supported with this LMS version?
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Sep 10, 2011
Working on my CCNA w/ live equip, I accidentley deleted the hardware IOS- yes, beginners mistake. Upon bootup, I do not get a command prompt. I tried the recovery procedure(hold mode button before power up) recommended by Cisco to no avail. My issue is I use SecureCRT & the charaters/font is ineligible. Here is an example of what I see when typing; "þæb Bûÿÿûýÿ¿¿ÿÿ". Currently, the SYST indicator is blinking & I have no access.
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Aug 8, 2012
Just I have upgraded some 2960S to IOS 15.0(2)SE from a IOS 15.0(1)SE3 and the catalyst don't switch any IPv6 traffic. Don't work any RA and also don't work any unicast IPv6 traffic from any interface. I can see some references to IPv6 changes in the FHS (First Hop Security) in the Release Notes, but no any reference to changes in the configuration.
The switches don't have any IPv6 specific configuration and the sdm is the default templata. Returning to 15.0(1)SE3 everything work ok.
On Catalyst 2960, and 3560E this IOS version seem to work fine with IPv6.
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Mar 22, 2012
configuring 802.1x authentication on ACS 5.1.0.44 & Catalyst 2960S switches.All the documents i have found seem to have incorrect screen shots or missing steps.I have found a doc external to Cisco [URL]however this just hangs when attempting to complete the task in figure G.The other docs are for configuring IBNS & assume that 802.1x is already configured.
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Jun 20, 2012
i want upgrade my catalyst 2960S and 3560x at midnight, but i am worried about config loss. If i upgrade my switch throught web interface, will need I reconfigure the switch?
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Dec 1, 2010
I have a new problem with Catalyst 2960S. We have four switch in a stack and now I get the message:
“%PLATFORM_RPC-3-MSG_THROTTLED: RPC Msg Dropped by throttle mechanism: type 37, class 14, max_msg 32, total throttled 73968 (hostname1-2)”
Traceback= 13A686C 160862C 160E0B4 15E2088 184FD48 18467B8
sh switch de
Switch/Stack Mac Address : 68bd.abc9.0000
H/W Current
[Code]....
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Nov 26, 2011
we have Catalysts 2960S for switching in our Wireless high capacity backbone network. As agregation switch we are using 3560x.
I just need to know, if are these 2960S good solution for igmp snooping for whole IPTV stream. It put only a range from backbone and put out on another port. But just specified multicast addresses.
Imput will be 239.128.0.10 to 239.128.0.20 on Gi 0/1,Output wil be 239.128.0.10 - 15 on Gi 0/24
IPTV will be separated on different VLAN for eg VLAN 20,Is needed any priorization configured od switches?,The capacity for IPTV is around 500 mbps
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Jan 3, 2013
I recently tried to manually format the flash on a model WS-2960S-48TS-L switch running IOS version 15.0(2)SE. While executing the operation I got the following error - mifs[8]: Failed to create superblock %Error formatting flash (I/O error).As a result the flash is no longer accessible by the switch. I spoke with Cisco and they indicated that a switch reload would remount the flash and make it accessable again but the .bin file would need to be reloaded using the xModem recovery procedure (what a pain).The next IOS version 15.0(2)SE1 will supposedly fix this bug but it has not been released yet. In the meantime if you are running 15.0(2)SE you may want to hold off performing a "format flash:" function on a 2960S.
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Nov 5, 2011
We are using catalyst 2960S Lan Base IOS on Radio towers. We just bought 50 Accest points, thas are GPS synchronized. Problem is the APs need to be connected on L2-mac betwen each other. But at this time we are using port isolation on each switch (tower) by protected port function to isolate clients from each other.
My question is, is possible to specifi a Mac addresses in specific vlan thats can comunicate betwen protected ports? On tower is one Master unit and others are slave. I thing there is only 1 dirrection comunication - from master to slave.
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Oct 30, 2012
specifying Cisco devices and I've made an error.I have 2 Catalyst 2960S switches (C2960S-24PS-L).Based on this snippet of web copy from the Cisco website:What's new for the Cisco Catalyst 2960-S Series Switches with LAN Base Software: # 10 and 1 Gigabit Ethernet uplink flexibility with Small Form-Factor Pluggable Plus (SFP+), providing business continuity and fast transition to 10 Gigabit Ethernet I bought a cable assembly "SFP-H10GB-CU3M" (3 meter copper twinax cable with 10GB SFPs on each end). Unfortunately, it appears after more careful reasearch that my specific model 2960S's are not directly compatible. , can I force these 10GB SFPs down to 1GB and get them to work with my switches or do I need to return and repurchase?
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Sep 27, 2012
I just bought a Catalyst 2960S to test out the feature "Port-Based Address Allocation" which is required for our factory. I followed the instruction from Cisco IOS and did all the steps but I could not get it to work, my network client did not received the expected IP address that I configured.
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Jan 28, 2012
Multicast is not working between our two datacenter, we have catalyst 2960S (two stacked) as the internal lan switch, and catalyst 3560E as the external switch, same configuration for both datacenters.The two sites are connected using metro, the external switch (3560) is doing qinq and encapsulate the data from the internal switch with the metro vlan (611).
IGMP snooping is disabled for all switches, although we prefer to enable it for the internal switches.For each datacenter there is a different firewall which also act as the router, we are using fortigate as the firewall.Following is the important configuration section:
Port 43 in the internal switch is connected to the external switch (both sites):
interface GigabitEthernet1/0/43
switchport mode trunk
load-interval 30
Port 3 in the external switch connected to the internal switch (both sites):
interface GigabitEthernet0/3
switchport access vlan 611
switchport mode dot1q-tunnel
no cdp enable
no cdp tlv server-location
no cdp tlv app
Port 8 on the external switch connected to the metro link (both sites) vlan 350 is the internet and 611 is the metro:
interface GigabitEthernet0/8
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 350,611
switchport mode trunk
vlan 611 on external switch:
interface Vlan611
ip address 192.168.168.2 255.255.255.0
no ip route-cache
no ip mroute-cache
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Jul 4, 2012
I am unable to access a series of switches connected together through a management vlan. I receive the message "The server xx.xx.xx.xx at level_15_access requires a username and password." Entering the username and password fails and the same username and password message returns. I am able to ssh into the switch with the username and password that fails trying to access the switch with the browser.
How can I check the username and password for access with the browser?
I am trying to monitor switch performance. Is there a good way to monitor switch performance with the command line interface?
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Aug 30, 2012
I am administering a Catalyst 2960S switch and I would like to connect several computers to it. Some of those each have a static IP address. For a few of them, I would like the switch to dynamically assign an IP address to them via DHCP. Is the switch capable of doing this? If so, how can I do it? I tried looking through Cisco Network Assistant and I couldn't find it. Some web pages have suggested I telnet into the switch and issue commands like "ip dhcp ?" to see what commands are possible. I can telnet in and if I type but I get an "Unrecognized command" for both "ip ?" and "ip dhcp ?". This makes me think I'm reading the wrong web pages. I did come across the term "DHCP snooping". It seems relevant, but very difficult for me to grasp.
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May 6, 2013
after upgrading about 35 Catalyst 2960 and Catalyst 2960S to IOS 15.0(2)SE2, we experience a memory leak on several switches. After some days / weeks the switches are not accessible via Console/Telnet/SSH/Web any more. Only SNMP seems to work properly.Attached users do not experience any decrease in service.
Trying to connect to the console, we get following error message:
"% Low on memory; try again later"
The only (temporary) solution is to reboot the switch. The behavior is similar to Bug CSCts52797.With regards to the Bug notes this bug should only affect Catalyst 2960 with 64MB of RAM and should already be solved with IOS 15.0(2)SE2.
We experience the erroneous behavior with
-WS-C2960-48TC-S running IOS 15.0(2)SE2
-WS-C2960S-48LPS-L running IOS 15.0(2)SE2
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Nov 5, 2012
Im trying to access the switch to reset the password to factory defaults (please see switch output Astrix has removed customer identifying information for security purposes.) Each time I reboot the switch and try and access the password recover mode this same output below starts and im still not able to access the recovery area of the switch
cisco WS-C3560G-48PS (PowerPC405) processor (revision F0) with 122880K/8184K bytes of memory.
Processor board ID FOC1133Y28Q
Last reset from power-on
1 Virtual Ethernet interface
52 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.
[code]....
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Apr 16, 2012
I have 6 cisco switches already on my network and I just got a 2960S PoE switch that I need to enable for VoIP. The voice vendor is coming in to setup our phone system for VoIP and I need to enable this new 2960S 48 port switch for the VoIP phones, I don't know how to do that, or other taskes needed for this project.
I was told that I need to uplink the new 2960S with the Catalysy 4507R using an ethernet cable and to "trunk the ports" and enable the 2960S as a VTP client - ok great - how?
I was told I also need to use the switch port voice VLAN command for the new VLAN - again, great - but how?
I actually was able to telnet into the switch and I gave it an IP and I created a new vlan but thats all. We are using non Cisco IP phones.
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Aug 13, 2012
I have a cisco catalyst 2960-s PoE switch. I have a web access to the switch and am able to get statistics on each port. However, I am wondering if there is a way to have a diagram of the trafic on each port?
Also, what is the best way to monitor the trafic on a router ( i have a cisci 1811W)
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Apr 20, 2011
I am testing a ACS 5.2 in our lab environment, I am testing port security for policy based VLAN and ACL assignment. The problem I am having is with the 2960S switches; in my current setup it is working but it doesn't seem to me like it is the way that it should be working. I have a downloadable ACL in the ACS defined and associated to an Access policy and it is working correctly. The problem is, from what I understand, I have to assign a default ACL on the switchport? So what I have assigned on the switchport is ip access-group 10 in. The downloadable ACL from the ACS is also called 10. Do I really need to match the ACL on the switchport with the ACL name I have created in ACS? That doesn't seem like it's dynamic if that is the case? What is the ACL that I should apply to the switch port (if any) in order for the downloadable acls that I configure in the ACS to work no matter what port the user is patched into?
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Apr 29, 2013
I have a running setup having 2 Cisco 2960s 24 TS switch with Stack configuration. Now I want to add one more same Cisco switch. My questions are:-
1) How can I do this...(Should follow the same process as I did before.
2) Could I do this without impacting the service. i.e. without rebooting the switch.
3) What should be the connection archiecture as of now since there is two switch so it is connected 1 -1 and 2-2. but for 3 switch should we require to change the connectivity.
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Jan 21, 2013
I use the Switch 2960S support PoE and 10 access points cisco.I have one more question:
-- If all 10 access points cisco use copper cable to connect to 2960S, 5 access points use power adapter and 5 access points use power from Switch. How Switch 2960S will provide power for 10 AP or switch 2960S will understand and only provide power for 5 APs?
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Feb 4, 2012
I've recently been looking into linking in our Cisco 2960S Gb Switch with RSA SecureID via Radius.I've already managed to link it in for ssh access
but I've not managed to get it working for http / web access to the switchI think this is because we're using "single use" tokens for maximum security with RSA Secure-ID and the web interface attempts to authenticate multiple times against the Radius part of the RSA SecureID server (okay on the first authentication, but each time after it's going to want a different token code)
(if there's a way to get the switch to just authenticate once instead of multiple times against the radius server) For info the switch is a WS-C2960S-24TS-L with IOS 15.0(1)SE2
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Nov 20, 2009
I have a Catalyst 4006 switch in production and a spare switch of same model. I have to quickly copy the configuration from production switch to spare switch (both L2 and L3 configurations) How do I do that?
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Dec 11, 2012
We have a Cat2960-S Series PoE+ currently running 12.2(55) SE5 ios with SW image C2960S-UNIVERSALK9-M.We want to upgrade the ios to the lastest version but found there are 2 version: 12.2(53) SE2 and 15.0(1) SE.Which is the best & suitable for upgrade?
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Apr 18, 2012
I was just curious about something with upgrading a 2960s stack.
To copy the image to the switches in the stack I use: Switch# archive download-sw tftp://x.x.x.x/filename
Does this also set the image as the boot image or do I still need to issue the boot system flash command?
can I just issue this command on the master switch and reload and the new config will be pushed to the rest of the switches?
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Jun 5, 2013
After i have already configured my cisco switch 2960 , i configured my console as the below [code] after i reboot my switch , i found that the switch asked me for username . However i did not configure username , how can i solve this problem , without password reset . I have already configured 15 switch , 100% this problem will be in all switches.
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Sep 29, 2011
When will Campus Manager support the 2960S switch series?
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Jan 20, 2013
I have hybrid network in which I want to configure VLAN on Cisco 2960 S switch. I have unmanged switch where my DHCP server and other servers are connected. Now I created two VLANs on cisco 2960S and they don't talk each other, but as soon as I connect unmanaged switch to 2960S switch, both VLANs start communicating which I don't want. I want to listen server traffic from unmanaged switch from both VLANs but simultaneously I don't want to communication between two VLANs.
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Oct 3, 2012
I have enabled syslog on my Cisco 2960S swtich as shown below -
-logging facility local6
-logging host 10.11.12.122 transport tcp port 514
I have sent the port to TCP since that is what is configured on the SYSLOG server which is a CENTOS 5.8, running rsyslogd.I have tested the rsyslogd locally and it work.However i want to send any and all log messages in the buffer to my syslog server and it is not working.there is no firewall on the CENTOS and the ASA firewall filter is enabled for outgoing traffic.
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