Cisco Switching/Routing :: 3750 - Platform Does Not Support More Than 32 HSRP Groups?

May 6, 2012

I got the error in object when I try to add a new HSRP group in new vlan.All the HSRP group has the same HSRP group the 2.another way to provide clients's default gateway redundancy for each Vlan intead to use the HSRP?

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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 :: NAT-PT IOS Support 7600 Platform?

Dec 22, 2011

I´m looking for an IOS on a 7609 SUP720/MSF3 that supports the NAT-PT feature (IPv4 to IPv6 translation). I searched on the Cisco Feature Navigator but the tool didn´t show up any IOS for the 760x platforms. I only got the feature "NAT-PT: Support for Overload (PAT)" with IOS 15.xS train.

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Cisco Switching/Routing :: 3750 HSRP For Server Redundancy

Aug 14, 2012

I am facing a problem in implementing HSRP. My scenario is like this, I have two 3750 switches and I have a server with two NICs. I want to run HSRP in these two switches. By the way the server is connected directly with the switches. I mean each NIC to each switch.we have teamed the two NIC (Active / Standby).what configuration need to done in switches to work HSRP.

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Cisco Switching/Routing :: Running HSRP On The Same 3750 Stack?

Oct 9, 2012

I have a 3750 stack and want to confirm if I can run HSRP on the stack to two different ASR routers for redundancy purposes ?
 
It looks like the below :-
  
   --------------------------------
   |     SW1          SW2  |
   |       3750 Stack        |
   |------------------------------- |
            |          |
            |          |
     -----------     ------------
    |    P     |   |    S      |
    |  ASR1 |   |  ASR2  |
    | ______|   |_______|

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Cisco Switching/Routing :: 3750 How To Configure HSRP In Client Location

Apr 9, 2013

How to configure hsrp in my client location.They have 1 no of router and 2 no of 3750 switch.they need to configure Hsrp in switch.

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Cisco Switching/Routing :: Duplex Mode On HSRP Routed Port On 3750

Nov 15, 2012

What should the duplex mode to be set on a routed port gi0/21 that are running HSRP ? I try setting the gi0/21 to full, but it caused the port to be down. The only way for the port to be up is setting it to half duplex.
 
Cisco 3750 Switch
==============
interface GigabitEthernet0/21
no switchport
ip address 10.200.104.34 255.255.255.248

[Code].....

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Cisco Switching/Routing :: Difference Between Using Hsrp On Vlan And Physical Port On 3750 Switch

Nov 14, 2012

What the different between using hsrp on vlan interface and on physical port (routed port) on Cisco 3750 Switch? Wha the benefits?

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Cisco Switching/Routing :: 3750 - HSRP Duplicate Address 0000.0c07.ac01

Oct 23, 2012

I have some question about HSRP in 3750 switch. I have two Cisco 3750 switch which configured HSRP. Let say, we have interface vlan 100 that join in HSRP group member 1. The configuration on both switch is like as follows :
 
SWI-3750-A (Active)
==========
interface Vlan100
description *** gateway User NPL ***

[Code]....

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Cisco Switching/Routing :: 7000 / 3750 Stack - HSRP Between ISPs Router And L3 Switch

Dec 27, 2012

We have our WAN setup as explained in the attachment herewith. As of now, We have a IP 1 configured as HSRP IP in the LAN switch end at Site A and Site B. As per the HSRP priority, Site A's WAN router will preempt to be the Active WAN router. 1*1Gig link at both DCs connect to the respectve WAN router.
 
But with this setup, we experience a WAN outage whenever there is a link disconect at Site A - as HSRP fails over from Active to Standby(Site B) and again when the link at Site gets restored. To avoid this :
 
Is it possible to have the HSRP configured over a port channel at Site A and B (or atleast at Site A) ? In that case, will there be a need for the ISP to change their configuration except to configure a port channel ? The ISP has Cisco 7000 series router which connects to 3750 stack at DC lan.

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Cisco VPN :: HSRP IPSec Stateful Failover On 2800 Platform

Mar 26, 2012

I have 2 C2811 ISRs runnning c2800nm-advsecurityk9-mz.124-15.T17.bin and having on board: 1 Virtual Private Network (VPN) Module.is it possible to enable IPSec stateful failover (or switchover, SSO) between these boxes? I get different infos from Cisco sources. url...All commands were accepted, but failover doesn't seem to be statefull (I loose connection for few seconds and VPNs are reestabilishing)

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Cisco Switching/Routing :: Does 3750 Support New ASN Format

Sep 17, 2012

I have a 3750 running 12.2(55) and  when I configure BGP I only get the standard AS number choice of 1-65535, but my provider is supplying a 4-byte AS number which is six digits and it gets rejected at the prompt on the 3750. Does that mean no support on 3750

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Cisco Switching/Routing :: 3750-X SVI Jumbo Frame Support?

Nov 24, 2012

I've had a read through the docs for the 3750 series switches, but nothing that definately says that jumbo frame routing will work on a SVI.One part specifically I'd like clarification on is:The default maximum transmission unit (MTU) size  for frames received and sent on all interfaces on the switch or switch  stack is 1500 bytes. You can change the MTU size to support switched  jumbo frames on all Gigabit Ethernet and 10-Gigabit Ethernet interfaces  and to support routed frames on all routed ports. It says supported routed frames on all routed ports, but this in the past has meant physical ports, and not Virtual ones.

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Cisco WAN :: 3845 HSRP With Multiple Interfaces / Groups

Jan 24, 2011

I have 2 routers ( Cisco 3845's) both running identical IOS's.   Each router has identical 5 networks on it  with one network each being different.I have HSRP set up on the identical 5 networks.Your standard Fail over senario.ON one of the routers one network is not seeing the other router in the same network,  Will not Ping or traceroute.And HSRP stopped working ( both were thinking they were active.  which of course brought the network to a halt. Non of the interfaces has any ACL on them,  They are plugged into a Brand new Cisco 3560v2 switch.  I have switches out the cables to eliminate that as an issues.

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Cisco Switching/Routing :: Nexus 2232PP / 3750 S - Support 100Mbps With A SFP-GE-T

Nov 10, 2012

The data sheet for the 2232PP says you can use a SFP-GE-T, but there is no mention of 100Mbps. I want to recommend to a customer that they use 2232PP for an upcoming core upgrade, but it may need to support some existing 100Mbps devices which are currently connected to 3750s.

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Cisco Switching/Routing :: Single Mode Fiber Support For WS-3750 Switches?

Mar 5, 2012

I'm looking for switches that support single mode fiber connections and would like to know if "WS-C3750-FS-S Catalyst 3750 24 100BaseFX + 2 SFP" and "WS-C3750G-12S-S Catalyst 3750 12 SFP" can serve the purpose?

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Cisco Switching/Routing :: Does 3750 / 3560 Switch Support Eigrp Or Ospf

Feb 17, 2013

I believe the answer is yes, but incorperating more layer 3 features of our 3750's, I want to know if they fully support EIGRP or OSPF?
 
Also for a small business of 4 locations, each with a 10mbps fiber and a 1.5mbps mpls... wouldn't you say EIGRP would be easier?  Want to look at making the failover automatic if the 10mbps fiber goes down between a site, then the network fails over to 1.5mbps mpls. When the fiber returns in service then the network automatically preferr the fiber again. 
 
Currently we use static routes and if there is a provider outage we have to manually edit the config to flip flop the routes.

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Cisco Switching/Routing :: 3750 / 3560 / 7945s - Verifying Maximum Support

May 10, 2012

I heard that the WS-C3560E-24PD-S and the WS-C3750-48PS-S have a limitation on the number of 7945s supported (ie i can only run 10 or 15 on each switch before the power runs out). Any knowledge with these pieces of equipment verify the maximum supported?  I'm having trouble finding documentation showing any maximums.

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Cisco Switching/Routing :: 3750-X Way To Get NetFlow Support Is To Install Specific Module

Sep 17, 2012

I've been researching the 3750-x Netflow support but I'm not 100% sure of how much support it has. From what I've read the only way to get NetFlow support is to install a specific module that provides NetFlow. I also heard about how it might support s-flow but I haven't found out for sure.

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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 :: Phone Connects To 3750-A / Nexus 5596 Does Not Support RSPAN

Feb 20, 2013

the phone connects to the 3750-A access layer switch (VTP mode client) which connects to the nexus 5596  (The nexus is the layer 3 device and set to vtp mode server) and finally we have a Voice recorder that connects to another access layer 3750-B switch.(VTP mode client)

 For voice recording I need to setup RSPAN and the nexus5596 does not support  RSPAN will the following have any impact on the nexus
 
IF I move the 3750-B to VTP server mode and run the command remote span on the VLan I need to Rspan its going to update the VTP data base in short it will update the vlan.dat file for all the switch in that VTP domain.
 
AS the vtp update reaches the nexus saying there is a change (keeping in mind the nexus does not support rspan not sure hows its going to handle that request and how its going to update its vlan.dat file)
 
Is it going to incremment the VTP revision number? can it crash the vlan.dat file  on the nexus ? or do nothing and ignore the update and stop the update from proceeding to the 3750 A switch?

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Cisco Wireless :: Does VWLC Support AIR-AP1231G-A-K9 Platform

Mar 6, 2013

Does the Cisco vWLC support the cisco AIR-AP1231G-A-K9 platform?

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Cisco Switching/Routing :: Bridging In 7600 Platform

Apr 24, 2013

I am trying to bridge the traffic(including different vlan traffic) from rtrA to rtrB using "bridge-group" functionality.I achived the same using a 7200 using the below configuration. [code] When I tried the same using 7600 router ping failed between rtrA and rtrB. Then from the documents it seems "bridge irb" is not supported in 7600.Is there any other way we can achieve the same fuctionality ( eg: using switchport also fine) ?

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Cisco Switching/Routing :: 3750x Getting Platform RSPAN Across Nexus?

Feb 5, 2013

We have the following design in mind
 
 
                3750 Stack    (Voice gateway for phones configured on the 3750 and has a VPC nexus)     
                  +                 +
               +                       +
            +                             +
(Nexus5596)  ++++++++++  (Nexus5596)    (Gateway for all other vlan like PC / servers / etc)
          +                                +
               +                        +
                   +               +
           3750x access layer  (VPC to Nexus)
[CODE]..... 

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Cisco Switching/Routing :: Invalid Image For Platform Of WS-C4507R?

Aug 24, 2012

A customer wants to upgrade an IOS Base (cat4500-ipbasek9-mz.122-25.SG4.bin) of a WS-C4507R Cisco, for a  IOS that have a enterprices functionalities.We install an IOS cat4500e-entservicesk9-mz.122-53.SG5.bin, but we had the following results:
 
config-register = 0x2102
Autobooting specified file using Variable BOOT .....
Current BOOT file is --- bootflash: cat4500e-entservicesk9-mz.122-53.SG5.bin

[Code].....

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Cisco Switching/Routing :: IGMP And QoS On CAT6500 Platform With SUP720 Engine

Mar 27, 2013

I am having problems with IGMP and QoS on CAT6500 platform with SUP720 engine.The problem is, it seems that all IGMP packets are getting marked with DSCP 48 when sent out of the switch regardless of any input service policy. I found several articles saying that PFC QoS does not apply to IGMP packets. However in IOS 15 that should be possible, but I didn't get it to work there either. [code]

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Cisco Switching/Routing :: Nexus 7000 Process Platform Causes About 50% CPU Load?

Feb 26, 2013

we observe that the process platform causes about 50% cpu load of our Nexus 7010.Could not find any information for what this process is responsible to find out the root cause of the high cpu load.

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Cisco Switching/Routing :: Failing 3560CG Platform 1 Crashed Errors

Sep 9, 2012

Uhg.  I deployed a 3560G a week ago and it was crashing... so I replaced it Sep 7 around 16:00 and now this one is crashing.  Different logs.
 
Version 12.2(55)EX3
Sep  6 18:06:08: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  6 21:05:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 04:12:43: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 05:35:09: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  7 08:21:37: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  7 11:13:18: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
 
Replacement Version 12.2(55)EX2
Sep  7 16:34:48: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
Sep  8 03:39:38: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  8 18:26:06: %PLATFORM-1-CRASHED: Data TLB Miss Exception (0x1100)!
Sep  9 18:14:38: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!
 
More detailed syslogs are in the attaced 'crash-logs.txt' file.
 
The device is running OSPF (it is in an NSSA).  I have several other devices configured almost the same running the same IOS in my network and they are working fine.This does make the third out-of-box 3560C Cisco that has failed on me within a few days. 

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Cisco Switching/Routing :: 6500 - Show Platform Capture ELAM Asic

May 29, 2012

I know that an ELAM can be setup on a 6500 running ipservices 12.2(33)SXJ, however I noticed that following commands are not available on a 6500 router running advipservices 12.2(33)SXJ:show platform capture elam asic etc
 
So I wanted to know if there is an alternate way to setup an ELAM for troubleshooting purposes?

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Cisco Switching/Routing :: C3560G-48 - IOS Version Option Or Not Supported On Hardware Platform

Feb 6, 2012

We have 2 x C6506E and 2 x C3560-48's, they are all interconnected via port channels at 2Gb per channel. The 6506's are running CEF but the 3560's are not (The 3560's carry all our server traffic).When I do a show CEF on the 3560's it says %IPv4 CEF not running. There does not appear to be a global command to enable CEF on these switches.Is this an IOS version option or is not supported on the hardware platform?

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Cisco Switching/Routing :: WS-CBS3120X-S - Sh Platform Port Asic Stats Drops

Dec 10, 2012

In our environment we have some HP chassis, and with them there are blade switches. Lately, we've been seeing some drops on few servers connected on the blade switch ports. The switch model is WS-CBS3120X-S. And below is the tx drop for two interfaces ( where the servers are connected to).

sh platform port-asic stats drop gi1/0/11

  Interface Gi1/0/11 TxQueue Drop Statistics
    Queue 0
      Weight 0 Frames 0
      Weight 1 Frames 0
     [Code]...

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Cisco :: How Many AP Will Wlc 5508 Support In HREAP Groups

Nov 20, 2011

I have a new deployment of 44 3502i AP's in 3 buildings at one of my campus'.The 5508 wlc is running latest 7.0.116.0 code.I have some users who take their work with them as they go from location to location on this campus.They need to be able to smoothly switch from AP to AP without having to reauthenticate each time the next AP takes over in the handoff.On the ssid in question we run 802.1x back to 1 auth server; there is no failover auth server.All APs are in one AP Group.My thought is to add all 44 of the APs to one HREAP Group.

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Cisco Switching/Routing :: 3560G 15.0(2)SE - Show Platform Forward Command Crashes Switch?

Dec 5, 2012

I have been working on some Catalyst 3750's running 12.2(55)SE6 and hit an issue with CEF load-balancing over multiple equal-cost paths.  Anyway this issue is now solved but it introduced me to the command 'show platform forward' - this shows you how the forwarding of a packet would be done via hardware cef (as opposed to the command 'sho ip cef exact-route' command that only shows the software cef path).  Anyway I tried the command on a 3560G running 15.0(2)SE and it crashes the switch.  I tried it a couple of times and verified that the MAC & IP addresses were exactly right in the command and each time the switch crashes. I have extracted the relevant bits from the crashinfo and attached them. 

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