Cisco Switching/Routing :: Maximum Group Of HSRP That Supports WS-C3750G-24T-S

May 4, 2011

What is the maximum group of HSRP Group that supports the WS-C3750G-24T-S running the IOS  c3750-advipservicesk9-mz.122-44.SE2.bin?I have this message:Mensaje ERROR: %Platform already has maximum FHRP groups configured

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Cisco Switching/Routing :: HSRP Group Limit In 4506E Switch?

Oct 31, 2012

I have two cisco 4506-E series switches ..
We are planning to go for HSRP redundancy for 32 VLANs. Means In a Cisco 4506-E switch , we will configure 32 vlans and among them 16 vlans will be primary and 16VLANs will be standby ans it is viceversa in another core-switch
My querie is How many standby groups can we create in Cisco 4506-E switch,
Is there any limitation..
If there is any limitation , can we go ahead with VRRP,GLBP? Are there any limitation in VRRP/GLBP? Is there any design related issue can we face if we use same group number to all VLANs?
Product details :
Model : Cisco 4506-E
Sup Model : WS-X45-SUP6L-E
IOS  : S45EIPBK9-12254SG

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Cisco Switching/Routing :: 3750 / 3560 / Hsrp Groups Using The Same Group Number?

Nov 24, 2010

I understand on older IOS codes If the same hsrp group number is assigned to multiple standby groups, it creates a non-unique MAC address. Is this true on newer codes like 12.2(52)SE for 3750 & 3560?

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Cisco Switching/Routing :: Nexus 5000 IP Reachability Across VPC Within 4 Member HSRP Group

Nov 17, 2011

I have 2 pairs of Nexus 5000 units (pair 1 and pair 2).  A pair consists of 2 Nexus 5000 (A and B) connected to each other via a VPC containing 2 ports ie P1-5KA -- P1-5KB (vpc domain 6) and P2-5KA -- P2-5KB (vpc domain 10) [code] Hsrp exists between all four with a virtual address of  P1-5KA is the Active with P1-5KB as Standby.
I can ping between the four using their SVI addresses.  I am unable to ping the HSRP virtual address .1 from P2-5KA or P2-5KB.I can ping ok only if I shut the VPC between P2-5KA or P2-5KB or define another mac address under the HSRP config other than the system default.  IP Packet debugs show that ping sourced from P2-5KB to P1-5KA loop between P2-5KA -- P2-5KB.  Pings sourced from P2-5KA to P1-5KA are transmitted but none of the 4 device debugs show a receive. both peer-gateway and delay restore 120 have been configured under all vpc domains and all units rebooted.

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Cisco Wireless :: WS-C3750G-24WS-S50 Only Supports 25x AIR-LAP1242 Instead Of 50

Sep 1, 2012

A refurbisched WS-C3750G-24WS-S50 that we have send to our client should support 50 LAP  (the unit says WS-C3750G-24WS-S50 at the back of the unit). Also the "show version" of the 3750 says WS-C3750G-24WS-S50.
He upgraded the WLC software from 4.0 to 5.0 then to 6.0 and finally upgraded to 7.0 now claims the web-interface only shows 25 supported access-points. We never checked the cli from the WLC before the upgrade.
Also he uploaded a old config file from a other S25 intergated WLC controller .
1) What could be the reason for this issue ?
2) How does the upgrading from 25 to 50 LAP work ? Is it like the PIX/ASA with a license key ?
3) When you upgrade the WLC sofware you only use a piece of universel code like the IOS right  ?,can it cause a integrated WLC to loose the support for the 50 LAP ?
4) Can you use a config file from a S25 with out issues ?
5) What part-ID do we need to purchase when we want to upgrade a S25 to a S50 ?

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Cisco WAN :: 3945 - Maximum Amount Of HSRP / Standby Groups Supported

Sep 22, 2011

I am trying to find out what the maximum amount of HSRP/Standby groups a Cisco 3945 will support. I found this link that I think says 256 URL.

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Cisco Switching/Routing :: Catalyst WS-C3750G-48TS-E - Virtual Switching System

Sep 10, 2012

I would like to know if Catalyst WS-C3750G-48TS-E recognizes and understand Cisco VSS ( Virtual Switching System) . Is there a List available which tells us which Old Catalyst Switches or current switches understand Cisco VSS?

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Cisco VPN :: 1921 / IOS Maximum Group Profile Attributes?

Feb 17, 2012

I'm looking into starting a file sharing server (think this is what its called) which will allow people to login into one of my PC's over the internet and download my files. My goal is to allow family members and friends to access my files and only specific files on this PC. The files could be family videos as well as pictures. Some video files will be in excess of 10gb along with typical jpegs and what not. I'll probably be running windows server 2008 on it. I'm also considering allowing people on some other forums that I'm a member on (cars, hobbies, ect) and allowing people to host vids on my server. My current IP provider is Comcast and I'm on a Dynamic IP so wondering how easy this is or if its recommended I get a static IP.

I' am looking for some articles that you'd recommend on this. I'd also like to have password protection / or login criteria so car members aren't able to view all my family videos, but can only log into some folder labeled (cars) and not my folder labeled family. Or another option would be that people have to login before they are able to even see what folders are accessible.For instance car members could only see car folders Family members could see anything stored on the PC?

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Cisco VPN :: 1921 - IOS Maximum Group Profile Attributes?

May 24, 2012

I'm in router setting in 1921, I have 40 remote VPN group profile attributes, but I can only connect simultaneously at 30, I wonder if there is a maximum limit of groups configured on a router 1900 IOS

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Cisco Switching/Routing :: WS-C3750G-48PS IOS Upgrade

Sep 11, 2012

I am in the process of upgrading our stack of 4 switches consist of WS-C3750G-48PS. Upon reading release notes found that there are two versions of release notes 1 day apart, the one 02 Sep 2012 saying that WS-C3750-48PS is not supported in this version. Then in release next day 03 Sep 2012 that note has been removed. Which one is correct. Is it supported with my model of switch or not. Also unable to update boot path in the stack switches, "switch all" is not supported in the current IOS. Any other way to update it. Master switch has new boot path but unable to change in slaves.

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Cisco Switching/Routing :: Could Not See RPS Status On WS C3750G 48PS

Dec 7, 2011

We recently connected a RPS 2300 to our switch WS-C3750G-48PS-E with IOS c3750-ipservicesk9-mz.122-53.SE2.bin.However i do not see any RPS details in the"show env" output.I believe i should get the RPS Name and its Serial and the port number in the output, but i am not finding it in the output. I did reload the switch but still couldnot get this udpated.

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Cisco Switching/Routing :: Can Stack C3560x To C3750g

Jan 11, 2012

Currently there are three stacked WS-C3750G-24TS-1U on data centre. I am going to buy a WS-C3560X-48T-L to use 10GbE module. Is it possible stack this switch "WS-C3560X-48T-L" to current switches "WS-C3750G-24TS-1U" ?

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Cisco Switching/Routing :: High CPU Process On WS-C3750G?

May 29, 2012

I have a process whick take all the CPU on two differents Stack of WS-C3750G in version 12.2.53(SE2):
XFRPALSN02R#sh proc cpu sorted CPU utilization for five seconds: 97%/3%; one minute: 95%; five minutes: 95% PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process 307     5450059   4167397       1307 86.74% 83.63% 83.35%   0 hulc nrgyz PD di XFRPALSN02R#sh proc cpu sorted CPU utilization for five seconds: 96%/3%; one minute: 96%; five minutes: 96% PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process 307     7779608   5947379       1308 86.26% 85.75% 85.30%   0 hulc nrgyz PD di

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Cisco Switching/Routing :: Upgrading WS-C3750G-24TS-E1U To 15.0.1-SE2?

Feb 17, 2012

I have the following switch:

#show version
Cisco IOS Software, C3750 Software (C3750-IPSERVICES-M), Version 12.2(52)SE, RELEASE SOFTWARE (fc3)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Image text-base: 0x01000000, data-base: 0x02C00000
ROM: Bootstrap program is C3750 boot loader
BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(44)SE5, RELEASE SOFTWARE (fc1)

I have downloaded c3750-ipservicesk9-mz.150-1.SE2.bin and I want to upgrade iOS to this image.
I have a few questions related to this:
1. Is my switch model compatible with this iOS version?

2. Do you recommend the upgrade? Does it bring some notable features?

3. Can I upgrade for free or do I need to buy some license?

4. I also want to upgrade/add the crypto image, can I add crypto for free or some license is required?

5. I have remote access to my switch via the console cable which plugged into machine1. But machine1 is connected to network via the same switch. I am accessing machine1 via SSH, and then the switch via console cable (minicom on CentOS). Is there an upgrade procedure for this kind of situation that also has some fall back (like reboot in X minutes and load the previous image) if the upgrade goes wrong?

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Cisco WAN :: How Maximum Channel-group Supported By VWIC2 1MFT G.703

Jun 14, 2012

How  maximum channel-group supported by VWIC2 1MFT G.703? And the CISCO1941/K9 ?

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Cisco VPN :: How To Limit Maximum SSL VPN Sessions Per Group-policy On ASA5510

Nov 25, 2012

How to limit maximum SSL VPN sessions per group-policy on ASA5510?
There are 2 group-policy: in one maximum of 10 connections, in the second - 15 (In total licenses for SSL VPN 25 connections).

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Cisco Switching/Routing :: Input Errors On Many Interface WS-C3750G-12S

Apr 16, 2013

We are facing since one month in our two Cisco WS-C3750G-12S on many interfaces input errors when data transer or ping (ICMP) increase input erros. Not only port 1 but many interface has same issue, i have change new IOS but still same issue, once i have erase startup config but same issue we are facing and finaly i have replace same new switch with the same IOS it's working fine.(c3750-ipservicesk9-mz.122-55.SE4.bin) [code]

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Cisco Switching/Routing :: C3750G - Forcing Ports To 1G Speed

Aug 29, 2012

I currently have a C3750G connected to a C3560G with default auto-negotiation settings. Ports are up and connected a-100 and a-full. I am trying to change the ports speed to 1G, and have tried all possible combinations of "speed 1000" and "duplex full" setting on both ends to no avail. What should port settings be for 1G speed between the two switches?
Here are the current port settings:C3750G:
interface GigabitEthernet1/0/1
switchport trunk encapsulation dot1q


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Cisco Switching/Routing :: WS-c3750G -24T / Unable To Look Ip Policy Route-map In PBR?

Apr 22, 2012

i have a Layer3 Switch Cisco WS-c3750G -24T , initially i have a IOS version c3750-Ipbase , recentely i have upgraded my IOS to c3750-Ipservices-M to enable to PBR for my network , i have created all the acl and tried to give the route-map with PBR , the command was initiallying but i am not able to see the applied route-map in my policy route , i have gone through the blog and enabled SDM prefer routing , but no luck .

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Cisco Switching/Routing :: C3750G-16 - No Route To Specific Subnet

Feb 9, 2012

I have Catalyst C3750G switch
with configured route to subnet
ip routing
ip route is accessible


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Cisco Switching/Routing :: Can Stack (ws-c3750G-12s) With (ws-c3750X-24p-poe-s) With (ws-c3750-48p-10/100 Poe)

Feb 3, 2012

can i stack cisco (ws-c3750G-12s) with (ws-c3750X-24p-poe-s) with (ws-c3750-48p-10/100 poe) i mean even a switch is 10/100 and the other switch is 10/100/1000?

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Cisco Switching/Routing :: Stacking WS-C3750X-24P With WS-C3750G-24PS?

Dec 10, 2011

I'm having trouble stacking a new WS-C3750X-24P with existing switches WS-C3750G-24PS ?I can see the license is on the  new WS-C3750X-24P:
 switch#sho lic
Index 1 Feature: ipservices
Period left: 8  weeks 4  days
License Type: Evaluation
License State: Active, Not in Use, EULA not accepted
License Priority: None

I could put on the c3750e-ipbasek9-mz.122-55.SE1 image, but I may need to get the license sorted still, but not sure if that will work or how to add it if i got one.....

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Cisco Switching/Routing :: Can WS-C3750E-48TD And WS-C3750G-48TS Be In Same Stack

Apr 20, 2013

I have two Switches which i need to put in a same stack - WS-C3750E-48TD and WS-C3750G-48TS . Possible to do so and also which IOS to put in both the switches as WS-C3750G-48TS is having lower RAM and flash.Whether can i put following IOS in these switches and connect them in a stack as i have read that IOS -- 15.0.1. SE are compatible with both the switches.
a . c3750e-ipbasek9-mz.150-1.SE.bin in switch - WS-C3750E-48TD

b. c3750-ipbasek9-mz.150-1.SE.bin in switch -- WS-C3750G-48TS

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Cisco Switching/Routing :: C3750G-12s Unable To Boot When Stack Breaks

Jan 27, 2013

I do have C3750G-12s switch which is not able to boot as of the expected. Every time when I break the stack and try to use console i got a weird output from my console output. we need the stack to be break and use those switch separtally .


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Cisco Switching/Routing :: Catalyst WS-C3750-48P And WS-C3750G-16TD Stack?

Jan 1, 2012

I have 8 switch stack consisting of six WS-C3550-48P and two WS-C3750G-16TD running software vesrion 12.2(25) SEB1. When I added new C3750v2-24PS (running image 12.2(50) SE5) in stack so I up-graded the image of existing 8 switches with latest veriosn 12.2(50) SE5. Once I have done with the upgrade then all ports of my stack switches went down after around five minuts. Is it image compatibility issue with existing switches or something else?

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Cisco Switching/Routing :: Old WS-C3750G-48TS Works With New Replacement (WS-C3750X-48T-E)

Aug 12, 2012

Situation: Currently WS-C3750G-48TS-(S or E) switches are on stack. Now these units will soon EOL on Jan. 30, 2013 and Cisco recommends that
WS-C3750X-48T-S or WS-C3750X-48T-E will be used.
The question is: Will the new SKU works together in a stack with the old ones?  Will there be no changes on the type of stacking cable to be used?

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Cisco Switching/Routing :: WS-C3750G-24TS-S1U Slow Response Between VLAN’s

Jan 20, 2013

Inter-VLAN applications are slow and same VLAN it is working fine.(i.e.VLAN to VLAN applications and File transfer response was Slow).Switch Model number: WS-C3750G-24TS-S1U

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Cisco Switching/Routing :: WS-C3750G-24TS-1U Stack Crashed IOS Version 15.0(1)SE

Nov 2, 2011

I have a situation. I am running two-switch 3750-stack and it crashed this morning. IOS version the switches is: "flash:c3750-ipservicesk9-mz.150-1.SE.bin"
Log Buffer (10000 bytes):
3:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan104, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan201, changed state to up
Nov  3 13:13:40.840: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan202, changed state to up
Nov  3 13:18:13.336: %PLATFORM-1-CRASH(code)

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Cisco Switching/Routing :: Ws-c3750g-48ts / Adding Switch To Stack?

Jan 23, 2013

We have a cisco stack with 5 ws-c3750-24p 12.2)55)SE3 c3750-ipbasek9-m switches. Can i add a switch to the stack that is the following model: ws-c3750g-48ts 12.2(25)see3 c3750-ipbase-m

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Cisco Switching/Routing :: 3750G (WS-C3750G-24TS-E1U) - Fiber Module Options?

Mar 17, 2012

Got 2 of these switch stacked and there is some changes that we are going to undertake which will require us to utilize the whole 8 or 4 (2 from each switch) SFP ports. Just need some adivce on which particular fiber modules should I procure. Does this switch support 10GB of SFP ?

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Cisco Switching/Routing :: WS-C3750G-24T-S / Configure Independent Routes For A Specific Network

Nov 1, 2012

I have a  WS-C3750G-24T-S layer 3 switch and I need to configure independent routes for a specific network, I'm trying to use VRF but it is not working for me. I tried using route-map but it seems the switch doesn't support that, so I'm stuck with VRF, but I think I'm not doing it right. The topology is as follows:
I have a network directly connected to a vlan and I need to forward all the traffic I get on this VLAN using a tunnel to a router. I think the problem is that in order to use the tunnel I need to utilize another VLAN which isn't part of that VRF. I attach the configuration I'm using to better understand what I'm trying to do:
layer-3 switch:
ip vrf TEST
rd 1:1 
interface Tunnel1
ip vrf forwarding TEST
ip address
tunnel source
tunnel destination


And this is how my routing table looks on this router: is subnetted, 1 subnets
C is directly connected, Tunnel4
C is directly connected, Vlan404
S [1/0] via
S* [1/0] via

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Cisco Switching/Routing :: WS-C3750G-24TS / RSPAN Session For VOIP Recording?

May 9, 2012

we want to record voip telephone?Presently im using wireshark on a laptop to test the rspan session
Here is how it's configured
Switch Ports Model              SW Version            SW Image
------ ----- -----              ----------            ----------
*    1 28    WS-C3750G-24TS     12.2(52)SE            C3750-IPBASEK9-M
     2 52    WS-C3750G-48TS     12.2(52)SE            C3750-IPBASEK9-M

Ive created the vlan 33 on my core switch and  remote SPAN VLANs 133 Core switch is vtp server so i double checked on all switch and vlan 33 and 133 are present When i listen to conversation with wireshark we are only recoding voice of the one who is answering and we don't hear the other person talking?

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Cisco Switching/Routing :: Stack C3750G And C3750X - Major Version Mismatch

Jun 11, 2013

I'm trying to stack 3750G & 3750X. As discussed in previous threads I am aware of that the version need to match.
Here the switch details:
Switch Ports Model              SW Version                SW Image
------ ----- --------------             ----------
* 1 24    WS-C3750G-24T      12.2(55)SE7             C3750-IPBASEK9-M
* 1 54      WS-C3750X-48      12.2(55)SE7           C3750E-IPBASEK9-M
I have changed the universal IOS on the 3750X to IP base..but they still wont come up as a stack. On the 3750X I don't see any log entry, on 3750G (major version mismatch).

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