Cisco Switching/Routing :: Enabling Rapid-PVST In Catalyst 6513?

Mar 23, 2013

I can not  enable to rapid- protocol in catalyst 6513, does not support for it, only support pvst.
 
Someone how can i enable to rpvst? You know if is necessary to upgrade IOS, it has
s72033_rp-ENTSERVICESK9_WAN-M - 12.2(18)SXF9 IOS. The cisco software Advisor could not localized the features fot this IOS.

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Cisco Switching/Routing :: 6509 - Changing From PVST To Rapid-PVST

Dec 15, 2011

As a part of a major network cleanup/standardization project I have been working on for several weeks, I am now looking at spanning-tree and trying to get my company into line with Cisco Best Practice.  I currently have 3 switches in the data center that are spanning-tree root for different vlans.  Before I changing vlan priorities in spanning-tree, I feel that I should change from PVST that everything is on now to Rapid-PVST.  To minimize the momentary network disruptions from making the change, should I do the edge switches first and do the switches in the data center at the last ?
 
Related to this process is something that I want to do probably after the PVST to Rapid-PVST change.  I am going to manually set the vlan priorities for each vlan on the main core switch.  Assuming I set the vlan priority for each vlan on my main core switch (6509) to 4096, should I set the switch I want to be the backup to 8192 for each vlan and then set the edge switches to something like  12288 to keep them from getting up in the spanning-tree hierarchy  and for general principle to leave nothing to chance ?

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Cisco Switching/Routing :: Rapid-pvst Missing On 2950?

Nov 15, 2011

i'm trying to type the command (config)#spanning-tree mode rapid-pvst on my Cisco 2950, but (config)#spanning-tree mode ? only shows me one option - pvst. I've checked the Cisco support page which suggests my version of IOS should support rapid-pvst.

Switch_1#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(13)EA1, RELEASE SOFTWARE (fc1)

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Cisco Switching/Routing :: Configure MST On ASR And Have Rapid-pvst On 7600?

Jun 13, 2013

Is it possible to configure MST on ASR and have rapid-pvst on 7600? can they interoperate? ASR sees no BPDUs and both are root bridges.

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Cisco Switching/Routing :: 3750 Adjusting Rapid PVST Timers

Jan 18, 2012

We have two L3 3750 switches running HSRP and routing for various Vlans on our corporate network. Rapid PVST is running across our entire WAN.   We are introducing a third party solution for remote communications over MPLS.  When interconnecting this equipment to our core network, we have experienced less than desirable failover times of 32 seconds and recovery times of 60 seconds.   The vendors engineers are telling is that the interoperability between IEEE spanning tree and Rapid PVST is the culprit. 

They are suggesting two scenarios - either converting our corporate network to MST (which I prefer not to do but provides us the fastest fail/recovery times) or adjust the timers on our Rapid PVST forwarding timer to 4 seconds.  What would the implications be to change these timers on our network, and if I choose to do this, do I only do it at the core (on the two devices that would become root bridge)?  I have been doing some reading that says to not mess with the timers, but nowhere do I see reasons why. 

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Cisco Switching/Routing :: 28672 Two Root Bridges VLAN1 Rapid-pvst

Apr 1, 2013

I have two locations DC and Corp connected to each other via Point to Point Circuit.  I have forced the two core switches setup as GLBP pair to be primary and secondary for certain VLAN's including VLAN1.I have a switch in our Corporate office 3750 which is where the point to point circuit terminates.  VLAN1 SVI is manually shut on that switch.  Also the priority on VLAN1 is increased manually like this, "spanning-tree vlan 1 priority 28672". 
 
Now the issue is that the Primarey Root Bridge in the DC is the root bridge for VLAN 1.  But this other switch 3750 in our corporate office also is a root bridge for VLAN1.  [code]

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Cisco Switching/Routing :: 3750 / Configure Rapid-pvst On Both Blade Switches Or Keep Default Configuration

Nov 14, 2011

3750 switch connects to Blade-switch_1 and Blade-switch_2 Spanning-tree mode is configured as rapid-pvst on 3750 switch, do I need to configure rapid-pvst on both blade-switches or keep the default pvst config.3750 is running VTP domain HQ and transparent mode Both Blade_switches are running VTP domain CLI and transparent mode To configure Etherchannel between 3750 and blade-switch_1 do I need to have all devices in same vtp domain?

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Cisco Switching/Routing :: Catalyst 6513 NAM Module

Aug 24, 2012

i have a cisco Netowtk Analysis module installed on a 6513 core  switch which is NAM-1, the version on the NAM is 5.1 and we need to  upgrade to the latest version which is 5.1(2)

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Cisco Switching/Routing :: Catalyst 6513 - Scalability Of Multicast?

Aug 1, 2007

I am running a network comprising of Catalyst 6513's with SUP7203B's. at present we have 800 VLAN's as we make use of a VLAN per access layer switch model.
 
I know have a problem that as soon as I enable multicast routing my SUP720's CPU runs at 100% and the system goes into a slowdown.where I can find information on the scalability of Multicast?

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Cisco Switching/Routing :: Catalyst 6513 - FWSM Module Configuration

Dec 20, 2007

My company has acquired a Catalyst 6513 with a FWSM module installed on it. I have been reading lot of documentation on [URL], but still have some problems configuring the FWSM:
 
The 6513 has 10 SVIs configured, each of them with an IP address. These 10 SVIs are binded to 10 VLANs which I need to secure. These SVIs are used for routing all the Inter-VLAN traffic inside the switch. The documentation says it is recommended to use just one SVIs for connecting the switch to the FWSM, although you can use more than one using the command "firewall multiple-vlan-interfaces". I don't want to use this command because it seems a pretty more difficult configuration, since you have to use policy routing after using this command (or that is, at least, what documentation says).
 
When I try to "send" to the FWSM more than one VLAN that are configured as SVIs on the switch I get this error message:
 
"No more than one svi is allowed, command rejected."

If I delete the IP address of those SVIs, then I can to "send" those SVIs to the switch with no problem at all. But I need the SVIs to have IP address configured, since they are needed for routing Inter-V LAN traffic.
 
So, the question is: how can I route all the inter-VLAN traffic using just one SVI on the switch? Should I use the FWSM for inter-VLAN traffic routing?

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Cisco Switching/Routing :: Catalyst 2960 Drops Packets After Enabling QoS

Nov 4, 2011

why the QoS deployment causes ports on 2960 switches to drop packets although there is no bandwidth contension? (output bit/second of the interface)packet drops at threshold 1, queue 2 ( queue 3 in config)
 
We are using Catalyst 2960 switches and are experiencing issues with QoS. After the QoS, we experience a lot of packet drops and it make the network slow. It appears that the slow performance relates to the egress queuing of each port.
 
Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE5
WS-C2960-48TT-L
 
switch_06#show inter fa0/1 | in drops|queue|output
input flow-control is off, output flow-control is unsupported
Last input never, output 00:00:01, output hang never

[Code].....

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Cisco Switching/Routing :: Catalyst 6513 - Redundant Supervisor Not Synced After Insertion

Aug 23, 2012

The SuperVisor engine in slot 1 of a Catalyst 6513 needed to be replaced because a hardware defect. The SuperVisor engine in slot 2 is active and running CatOS 8.5. The new SuperVisor engine for slot 1 came with CatOS 6.3 and was not syncronized auromatically after insertion. When the customer enter the command "Show boot" he get the output:
 
AG-A6513-51> (enable) sh boot
BOOT variable = bootflash:cat6000-sup2k8.8-5-5.bin,1;bootflash:cat6000-sup2k8.7-6-2.bin,1;

[Code].....

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Cisco Switching/Routing :: Catalyst 6513 - Error / Module Failed SCP Download

Dec 8, 2012

I have a Cisco catalyst 6513 with sup720-3bxl and WS-X6724-SFP modules , the switch was working fine until yesterday ,but after a maintenance the modue WS-X6724-SFP failed to bring online , the error code is (Module  Failed SCP dnld) does it mean the module has hardware problem or i need to replace it ?

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ios version
s72033-adventerprisek9_wan-vz.122-33.SXH7.bin
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
show module
Mod Ports Card Type
Model           

[code]....

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Cisco Switching/Routing :: Enabling Jumbo Frame Con Catalyst 4500 WS-X4648-RJ45-E

Apr 9, 2013

I want to enable jumbo frame con a Catalyst 4500, specifically in the WS-X4648-RJ45-E card. (running this  IOS version Version 12.2(53)SG1).
 
For what I checked, this are the only needed commands:
 
vlan xxx
mtu 9000
interface port 4
mtu 9000
exit
  
I want to be sure that these are the only needed comands and that they won t generate any disruption.

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Cisco Switching/Routing :: 6513-E / 6513 And WS-X6748-GE-TX Compatibility

Oct 29, 2012

we have a chassis 6513-E and a module WS-X6748-GE-TX, I'd like to know if could I put this module in any slot, since the documentation from Cisco says that any slot from a chassis 6500-E Series can support this module. And then in the documentation of WS-X6748-GE-TX says that this module is not compatible in the slots 1-8 of the 6513 chassis, only from 9th to 13th slots, in those slots from the 6513-E we already have 4x WS-X6748-GE-TX, and we'd like to know if could we put the module in the rest of the slots. The 6513, and 6513-E is kind of confusing.

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Cisco Switching/Routing :: 3750 - RSTP Not So Rapid

Oct 30, 2008

When I plug in a workstation to 3750 switch - it seems to take about 35 seconds before that workstation (hard coded IP) can ping the switch.  You can see the console messages below.  I configured RSTP and set this switch to root:
 
spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree vlan 22,33,44 priority 8192

[Code].....

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Cisco Switches :: Can SG300 Connect With Catalyst Switch On PVST+ Mode

Aug 30, 2011

Our customer use catalyst switch that spanning tree be PVST+ mode.I take SG300 connect with this catalyst switch.Does it support ?If it support,how to config on SG 300 ?

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Cisco Switching/Routing :: 3750-X / Rapid Spanning Tree Inconsistent?

May 12, 2013

I have two switches claiming to be the root bridge for the same vlans. The 3750-X stack was configured to be the root for vlans present and the 2960S was brought online over the weekend to replace another one. This is the command I used to attempt and make the 3750-X stack the root

spanning-tree vlan 1-2,10,50,101,200,900,999 root primary diameter 4
The IOS converted that to this
spanning-tree mode rapid-pvst
spanning-tree loopguard default
spanning-tree portfast bpduguard default

[code]......

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Cisco Switching/Routing :: 3750 - Rapid Spanning Tree In Access Layer?

Apr 9, 2012

My colleague and I have been having a discussion about using rapid spanning tree in the access layer.  Most of our infrastructure has been migrated to a routed access layer with 3750s.
 
The idea was brought up to configure the switches with rapid PVST.  On the surface, it seems like a better idea, faster convergence, in the event that spanning tree ends up being used for some reason.  My colleague prefers sticking with standard PVST.  His argument is that, in the event of a layer 2 loop, some consumer-level switches filter out BPDUs and if the control plane is overwhelmed, the shorter timers of rapid PVST just puts that much more of a burden on the CPU trying to regain control, whereas with standard PVST it will have around 20 seconds before it starts to engage.  (It may still be overwhelmed, but the longer timer delays the additional burden.)  He says he's seen this problem with rapid PVST and that his opinion is backed up by our Cisco rep.  (I haven't spoken to him yet.)
 
In our model, it should be very rare -- pretty much never -- that we would layer 2 span another switch off of our access stack.
 
One suggestion I saw is to use BPDU Guard, which is a good suggestion as well.
 
But we have had experiences with overloading the control plane on a 3750.  I believe that concern is valid.  If the CPU can't service spanning tree. But I'm interested in hearing about other experiences people have had in terms of rapid spanning tree in the access layer, end users plugging in unauthorized devices and creating loops, and the effects when using rapid spanning tree vs standard spanning tree.

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Cisco Switching/Routing :: 6850 Pvst Alternate Block Avoidance

Mar 14, 2013

I have an alcatel 6850 switch connected to a 3750. Two connections (cables) are used between the switches. The two connections from the alcatel are in different vlans 10 and 60 , but the cisco ones are in the same vlan ie 1 (I know not best practice but keep with it ). The cisco cables are connected into port 1 and 4. Port 1 is forwarding and 4 is blocking. The 3750 is configured with basic default pvst configuration.The alcatel is the root bridge. As can be realised traffic from alcatel on vlan 10 cannot pass traffic to the 3750, This was established by the spt seeing the same mac from the root bridge therefore blocking port 4.To stop this from blocking in this scenario I was going to use bpdufilter.

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Cisco Switching/Routing :: STP Stops Loops But R-PVST Goes Flapping 2960

Feb 22, 2012

Stange problem which I encountered today, I have a Cisco 2960 which is connected to a netgear. The switch started showing itself in CDP and was running STP. I checked the cables physically today and noted 3 uplinks to the netgear, all port on the Cisco active and forwarding and green lights.
 
The Cisco was running STP, I changed it to R-PVST and the lights on the Cisco went crazy and I got the message port flapping on the switch but the switch did not block any ports (all ports on same vlan).
 
There after I changed it back to stp and the switch blocked the other up links apart from one.
 
Sure R-PVST is far superior than STP?

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Cisco Switching/Routing :: 6513 - SSO Functionality

Jan 31, 2012

Well I have been back and forth on this a while now...I have a 6513E chassis that is getting prepped for prod. I am currently testing sso functionality and I can only get it to work using the following images on both Sup Cards.  

s72033-adventerprise_wan-mz.122-33.SXI5.bin
 
If I try any other image, smaller or bigger in size...it forces my Sup card in mod 8 to recycle " proxy request from peer ". I have tried K9 images and non K9 images. Here is an output from sh redundancy.

Redundant System Information :  Available system up time = 4 minutes Switch overs system experienced = 0  Standby failures = 0 Last switchover reason = none [code]...

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Cisco Switching/Routing :: Enabling Gui On 881 Router?

Oct 25, 2011

I have an 881 router here in house and am attempting to enable the gui interface on the router.
 
I have tried the steps to enable http but have not had any success. Below is the IOS Version and the portion of the show config that reflects the http allow:
 
ROM: System Bootstrap, Version 12.4(15r)XZ2, RELEASE SOFTWARE (fc1)
Cisco 881 (MPC8300) processor (revision 0x100) with 249856K/12288K bytes of memory.
Processor board ID FTX1249Y16Q

[Code].....

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Cisco Switching/Routing :: Enabling SSL-VPN On 2911

Nov 19, 2012

after installation of demo versions of 2900-SEC-TEMP & 2911-2921-SSLVPN-TEMP & rebooting the 2911 router I do not have access SSL commands.Show license indicates that 2900-SEC-TEMP & 2911-2921-SSL-TEMP licenses are active but NOT IN USE.

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Cisco Switching/Routing :: 6513 CatOS Config To IOS

Jul 31, 2012

I have a new 6513 with 2 sup32's with IOS. This chassis will replace a working 6513 with 2 sup2's with CatOS.I need to pull the running config from the CatOS chassis and make it work on the IOS chassis. i can do this manually but was wondering if there are any trade secrets on doing this.

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Cisco Switching/Routing :: Replacing A Backup Sup 720 On 6513

Nov 21, 2011

I am replacing a faulty sup720 on a 6513. It s the backup/hot not the active sup. It has the same IOS on it. Is it correct that all I need to do is remove the faulty and replace it with  the new sup and do a wr mem? Fromwat I have read their should be no down time all connectivity should remain stable?

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Cisco Switching/Routing :: Unable To Console / Ssh To 6513

Aug 9, 2012

I have a 6513 with redundant sup 720-3B's that I cannot get onto.  In short, one of the power supplies failed, it still passes traffic but I can't console or ssh to the box.  Other than the two sup 720's, I have a 4 port 10gig card, a 16 port GBIC Card and an IDS module.  I have tried removing the 10Gig, IDS and one of the sup's but still don't get anything on the console.  I have rebooted the entire chassis and don't get anything on my console while booting.  I have tried changing the speed of my terminal to every setting available incase someone has changed it at some stage but to no avail. I have tried swapping sup's, using only one at a time in the chassis but not getting anything. Is there anything else I can try to get onto this chassis?  The power supply is a 3000w with a 32amp input.  The failed power supply had tripped a switch, when i brought it back up, the power supply came out but the output failed LED is on. My #questions are, is there anything else I can do to try get onto the console, and is the power supply goosed when the RED LED is lit?  I have reseated the power supply also but the same result.

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Cisco Switching/Routing :: 6513 / 6509 E - EOL Notices

Apr 18, 2013

Are there any EOL notices out for the Catalyst 6513, 6509 etc E chassis? I cant find anything on the internet for the E variant, so assume this hasn't had a notice published yet.

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Cisco Switching/Routing :: VSS Configuration On 6513 Switches

Mar 10, 2013

My question is regarding VSS configuration on Cisco  6513 switches. My understanding is that the hardware and software  configuration on the devices must be exactly the same for the VSS to  function correctly. Do the Bootstrap versions also have to be identical?
 
The production switch is running Bootstrap Version 12.2(17r)SX5, while the new switch is running Bootstrap Version 12.2(17r)SX7.

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Cisco Switching/Routing :: 6513 Removing AAA Command

May 16, 2012

I was working on adding a Cisco 6513 to TACACS but ran into trouble.  While I work on the issue offline (recreate and test another switch), I wanted to place this switch on radius temporarily.
 
For some reason i cant undo/delete the AAA commands in order to point to my radius server.  Below was done via console: [code]

I disabled my telemetry port on the Cisco 6513 as a precaution.  The IOS im using is "s72033-advipservicesk9_wan-mz.122-33.SXI5.bin".how to remove the AAA authentication statement.  Hope its not intrusive cause i have a customer on the box.

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Cisco Switching/Routing :: Enabling Jumbo On 6509?

Jan 28, 2013

does enabling jumbo frames on the 6509 require a reboot?

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Cisco Switching/Routing :: 6513 Span Session Limit?

Jul 12, 2012

I have a need to capture some traffic but my core 6513's are already using the limit of 2 span sessions. I can't edit any of the sessions either because I want to source traffic from vlans and you can only do one or the other. Is using a VACL with 'switchport capture' on the destination interface an option ? E.g. I want to source traffic from vlan 10,20,30,40 and send the all to interface Gi10/10 ? Is there any caveats ? I dont need to be too granular with the ACL's but just capture all traffic in those vlans.

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Cisco Switching/Routing :: Module Power Down On 6513 Switch?

Apr 28, 2012

We have Communication Media Module (WS-SVC-CMM) mounted on 6513 switch. It went down twice and we brought it up by applying "power enable module".

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