Cisco Switching/Routing :: Need IOS Updgrade WS-C4507R

Apr 25, 2012

I have a WS-C4507R-E switch.  The current SW Ver. on it is 12.2(53)SG4-IP-BASE-CRYPTO.  I have been tasked with making sure all of our switches and routers have the most current IOS running on them. 
 
So, with that, when I look at the software available for download for my particular switch, there are several.  Some of the IOS description makes sense, but not even sure really if I do understand what I am looking at.  How do I know which software package I need to use to upgrade the switch?  This is our core switch..while yes, I would certainly back up the current switch, I would hate to be responsible for taking down the entire network due to a unfortunate misunderstanding of what I thought I read, even is it only last as long as it takes to restore from the back up.

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Cisco Switching/Routing :: Inactive Interface On The WS-C4507R+E?

Aug 31, 2012

I have a switch WS-C4507R + E, added two SFP SFP-10GBase-SR, and they stayed with inactive status, activate these interfaces in 10Gb. 
 
SWC-DC01#sh interfaces status module 4
Port      Name               Status       Vlan       Duplex  Speed Type
Te4/1                        connected    trunk        full a-1000 1000BaseBX10-U
Te4/2                        notconnect   1              full   auto No XCVR
Te4/3                        inactive        220           full   auto 10GBase-SR
Te4/4                        inactive        220           full   auto 10GBase-SR

[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 :: Replacing C4507R-E With Nexus 5548UP?

Jul 25, 2012

We currently have an environment with a 4507 as the core switch connected to four stacks of 3750e's in the wiring closets. A pair of Nexus 5548UP's also hangs off the 4507, but at the moment more or less dedicated to a certain purpose..The 5548UP's have the L3 daughter card installed.
 
My question is: Can a pair of Nexus 5548UP's do a C4507's job? Would we be able to decomission the 4507 and replace with the existing 5548UP's + FEXes?

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Cisco Switching/Routing :: High CPU Utilization Due To Cat4k Mgmt LoPri In WS-C4507R-E

Jul 5, 2012

We are getting the HIGH CPU process due to Cat4k Mgmt Lopri with both core Switches installed at the Customer site. [code]

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Cisco Switching/Routing :: C4507R+E - How To Disable Radius Messages In Console Mode

Jan 14, 2012

I am using radius authentication on C4507R+E with supervisor card 6L-E and IOS 15.0.2(SG1). It works perfectly but all radius messages appear in the console. Radius is very verbose, I can't use console because of the significant number of messages and I am worried about switches performances. I add that all debug commands are disabled.

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Cisco Switching/Routing :: Enabling Port Security On C4507R Shuts Down Port

Aug 13, 2012

I'm trying to enable port security on several 4507R's. When I try to configure a range of ports the switch will randomly put 1 or 2 in err-disable.  It's different every time I apply the config to the same group of ports.  However if I do them one at a time it seems to work.  But I really don't want to configure 6 fully populated switches one port at a time.   We also have a lot of 3750's and they gave me no problem using a port range. [code]

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Cisco WAN :: C4507R High CPU Utilization

Jun 12, 2013

we have 2 Cisco C4507 Switches working As Core Layer, but the CPU Utilization is about 54% most of the time and sometimes it goes up to 70% or 80% also.
 
which services are causing this utilization. [code]

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Cisco WAN :: C4507R+E - Maximum Routes Sup 7E?

Mar 10, 2013

I'm using a Catalyst 4500 switch (C4507R+E) with Sup 7E. Cisco Datasheet of this switch says that it can learn maximum 256K IPV4 routes. Currently it just learns 10330 ipv4 routes. However when I show platform hardware ip route summary, it seems that the FIB is just free 100K routes as below output:

Entity        total         used      free      util%                             
Entries       260096    10332      249764    3                                
  UC Ipv4     110592     10331     100261    9                                                                
  unused      147456    147456    0            100      
 
My question is: Can I make use of all 147456 unused routes? Or these ones have to use for any special purpose?

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Cisco WAN :: WS-X401 With WS C4507R-E Does Support EIGRP

Feb 26, 2012

Customer has WS-X4013+ supervisor engine and want to use as redundant SUP for WS-C4507R-E. Is it possible to configure EIGRP then? The customer already has WS-C4507R with SUP WS-X4013+ and has configured EIGRP.

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Cisco :: WS-C4507R+E Any Package To Install To Discover These Types Of Device

Jan 4, 2012

I tried to discovery WS-C4507R+E devices with lms 4.0 but the devices result unknown, any package to install to discover these types of device?

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Cisco Switching/Routing :: N5K-C5548UP-FA - Switching / Routing Capacity?

Jan 29, 2013

I am buying a Nexus 5K (N5K-C5548UP-FA) with the layer 3 card (N55-D160L3 - Nexus 5548 Layer 3 - Daughter Card).The switching capacity of it is 960 Gbps but I know I should expect less doing the Layer 3 function  (it will only be used with static routing).What switching/routing capacity should I expect? How can I estimate it? What else should I consider?

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Cisco Switching/Routing :: 6509 / 4900 - Network Down Cause Switching Supervisor With Redundancy

Jan 11, 2012

we've had an issue with our network, we have 2 6509 connected with redundancy, which are connected with 2 x 4900 Switches, from which are connected to a ESX Chassis for visualization, the thing is that the ESX stopped working, and the 4900 switches, and the main core were suffering from overload, they hang on it very well, in order to stop the overload, one of the links to the ESX Chassis were disconnected from one of the 4900 switches. The CPU usage from the 4900 and the core(6509) went down below 40%, and then they started to migrate the virtual servers from the chassis to another 2 chassis that were added right after. They were actually working well, but suddenly the 6509 changed to the other supervisor after everything was OK. We were wondering what could have been the cause of this, maybe the virtual servers migrations, maybe the overload from the ESX ? We also had a few question, is there any need to reload the cores every few months as a planned task ? Because the cores have been up for more than 1 year. And also is there any kind of of tool to monitor the CPU status, or the status overall from the cores or the switches ?

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Cisco Switching/Routing :: 7609 For Switching / Based On LAN (VRRP / HSRP) Feature

Oct 18, 2011

I am facing an isssues with 7609 for LAN switching , based on  LAN (VRRP/HSRP) feature.Actually  we are having ES+ cards (on 7609) and we are using multiple groups(say  350 vrrp groups) running on the router . the routers are connected as router 1>>> mux(which is working as switches)>>> router2

my questing are

1.  does their will be "multicast packets" (for VRRP/HSRP group) "from backup  router to Master router", when in stable state( ie when Master and  backup are already chosen) , or the packet from backup to master should  be unicast.I know for sure, the packet from master to back is multicast packets denstination to Multicast IP packet and To MAC address.I am not sure but I think from backup to master it should be multicast
 
2. what is frequency of these packets( from backup to master)
 
3.  As i have multiper group on a single interface ( we are using q-in-q),  when the connectivity from router's is broken, then does all the groups  will muticast their active roll in the lan sengment "at once" or it will  be in a groups say 100 groups at once, and after few ms few 100's and  sone ( as is on OSPF or RIP)
 
we are in between troubleshooting I hope we get the ans( Actul problem we are seeing in the router's that we have 2 ports on active routers and 2 ports on standby router , but we are not seeing muticast on 1 port on standby router where as all other 3 ports are seeing multicast packets) [code]

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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 Switching/Routing :: 2921 Process Of Switching Infrastructure Of Firewalls / VPNs

Jul 4, 2012

We are in the process of switching our infrastructure of our routing/firewalls/vpns over to cisco.  We are switching our first location and one of the issues I'm struggling with is windows authentication pass-through for internally hosted web pages.  Meaning, user inside our network has the 2921 as their default gateway, they try to access a web page that is hosted on the internal network but is secured with windows authentication.  In the past, because they are logged into the domain internally, the website authenticates and loads.  After switching to the Cisco, it asks for a password even though they are logged in.
 
Because its the web server that actually authenticates I'm not sure why the router isn't allowing that to happen, but I can't think of anything else that could be causing this behavior.

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Cisco Switching/Routing :: Nexus 7010 / VSS - Does It Support Virtual Switching?

Apr 9, 2010

Does the nexus 7010 support virtual switching yet?  All of the posts I have found from about a year ago say that it is going to be supported, but there were no dates listed.  I heard the same thing from Cisco a while back, but haven't followed up with it.If it is supported finally are there any configuration guides available for it?

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Cisco Switching/Routing :: Switching Redundancy For ESXi VMHosts Scenario

May 12, 2013

I have the following devices :
 
-1 VM Host
-2 Layer 3 switches
 
I would like to provide full redundancy for all vlans being used by VM Guests on the VM Host as well as the management vlan being used by the VM Host.I have created two LACP etherchannel connections on the VM Host. Each etherchannel from the host consists of  4 ports spanning a single NIC. One etherchannel connection goes to a trunked etherchannel connection on switch 1, and the other etherchannel connection goes to a trunked etherchannel connection on switch 2.Switch 1 and switch 2 have an etherchannel connection between them that carries all of the vlans in the topology.Vlan 2 is the managment vlan. Vlans 3, 4, and 5 are vlans that VM guest systems will be using for normal data traffic.
 
I intend to use switch 1 as the VRRP active router and spanning-tree root bridge for vlans 2 and 3.I intend to use switch 2 as the VRRP active router and spanning-tree root bridge for vlans 4 and 5.The spanning-tree configuration is using multiple spanning-tree with two instances. Instance 1 has vlans 2 and 3 associated and Instance 2 has vlans 4 and 5 associated. I would like to have this topology be fault tolerant to the point where if one of the etherchannel links between the host and one of the switches goes down, (for example, if switch 1 was powered off) traffic will be automatically redirected through the other functional link. I believe that my VRRP configuration would allow for a fairly quick failover of layer 3 services, but I am not certain that my design will be functional at a layer 2 level.
 
What I am uncertain about is how spanning-tree will converge. I am assuming that the virtual switch on the VM host will not be forwarding any BPDUs being sent by either switch. Would either of the links connecting to the host be considered a redundant link by either switch?Would the link between switch 2 and the host be inactive for all vlans in MST instance 1 during normal operation?Conversely, would the link between switch 1 and the host be inactive for all vlans in MST instance 2 during normal operation? Would all links remain active for ALL vlans? Would this mean that some traffic may travel through switch 2 to reach switch 1 instead of going directly to switch 1?

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Cisco Switching/Routing :: 6500 Switching Fabric Bandwidth 720 Is Calculated?

Jan 21, 2012

As per my understanding 6509 all slots are dual channel, so 9 slot * 40 per slot (20 g in and 20 g out) = 360 GB How cisco claim the 720 ?? What about the 6513 chassic switch fabric connection?

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Cisco Switching/Routing :: Switching Fabric And Forwarding Rate C3750x

Aug 6, 2012

It is said that the switching fabric of WS-C3750X-24T-E is 160Gbps.Could any body tell me what is switching fabric, any relevance or difference from forwarding rate?,Is there any document to know how will the switch reach the 160Gbps full switching fabric performance?

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Cisco Switching/Routing :: 3750G - Stack Switching Priorities Not Correct

Mar 21, 2012

I got Two Distribution Switches of Cisco 3750G. Each Distribution have two 3750G switches stacked. I also have one Cisco 3750V2 Access Switch connected to both Distribution. When I am checking for redundancy, I can only get redundancy test pass for one link not atall for other. If I have a link up with Distribution 1 only then its fine; but disappointment with Distribution 2 link. I can see that the switch priorities of Dist 2 is not correct ie. Master's priority is 10 and Member's is 15.
 
My question is that due to misconfigured priorities on Distribution 2 stack switches I am failing with redundancy if ONLY Dist 2 is up and Dist 1 is down.

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Cisco Switching/Routing :: 6500 / High Switching Processor Utilization?

Sep 20, 2012

I am seeing a strange situation on my 6500 switch?By having snmp walk on '1.3.6.1.4.1.9.9.109.1.1.1.1.3' (== cpmCPUTotal5sec), I came to know that there are two processor and the cpu util for switching processor is gone to 88 % and some time creeps to 99 %.
 
snmpwalk -v2c -c "removes"  sw6500 '1.3.6.1.4.1.9.9.109.1.1.1.1.3'
SNMPv2-SMI::enterprises.9.9.109.1.1.1.1.3.1 = Gauge32: 12 (--- this is for CPU of Router Processor )
SNMPv2-SMI::enterprises.9.9.109.1.1.1.1.3.3 = Gauge32: 99 (--- this is for CPU of Switching Processor )
 
but when I do sh process cpu on the console, all looks normal as it shows cpu utilization of RP.  why the value is so high on the switching processor ?

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Cisco Switching/Routing :: Sub-50ms Protection Switching At Ethernet Layer (ERPS G.8032)

Jul 24, 2011

It is understood that sub-50 ms ERPS convergence can be achieved with certain HW/SW combinations.
 
1) What are the platforms supported (and with what FW/SW) has this been tested ?any results that can be shared?
 
2)  Link failure detection in GigE on Copper is slower compared to GigE  over "pure" Fibre; so no sub-50ms would be possible with Copper ring ports.is sub-50ms convergence achievable with "combo SFP ports" ?

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Cisco Switching/Routing :: Facebook Forum Data Center Switching With Nexus 5000

Oct 8, 2012

Lucien is a customer support engineer at the Cisco Technical Assistance Center. He currently works in the data center switching team supporting customers on the Cisco Nexus 5000 and 2000. He was previously a technical leader within the network management team. Lucien holds a bachelor's degree in general engineering and a master's degree in  computer science from Ecole des Mines d'Ales. He also holds the  following certifications: CCIE #19945 in Routing and Switching, CCDP, DCNIS, and VCP #66183

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Cisco Switching/Routing :: Access Layer Switching With 2960 / 3560x / 3750x And 4506

Jan 17, 2013

My management has tasked me to give them a high level overview of the different switching we can choose for our new building.
 
This is what I know so far.4 Closets, each closet has 450 ports,One MDF room that is will contain one UCS Chassis and a Nimble iSCSI SAN.
 
I am working on the spreadsheet and it looks like this (Not totally filled):

2960s3560x3750x45064510Approx cost (Each, 48PORT, POE+, 10G uplink, Dual PS, IP BASE)
6K7K8K45K75KMax Capacity192432432192384Backplane speed206464520520ProLeast ExpensiveStackable to 9Stackable to 9ProDual PSDual PSDual PSDual PSDual PSProLayer 3 opt
Layer 3 optDual SupsDual SupsConExpensiveExpensiveConNo Dual PSConLayer 2 OnlyCannot stack more than 4 
For the MDF I would like to use 2 Nexus 5548's with FEX's, and the layer 3 daughter board.  For the IDF's I was thinking of two 4010's.

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Cisco Switching/Routing :: 2951 - HSRP Backup Taking Two Minutes When Switching Off Primary Router

Oct 7, 2012

I configure HSRP on Router 2951 as a primary router, and Router 2811 as backup router. But when I am switching off my Primary router the backup router is  taking 2 mins to take over form primary router. 
 
 [code]....

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Cisco Switching/Routing :: 2906 So Much Switching Capacity In Switches

Sep 13, 2012

Why Cisco implements so much switching capacity in their switches Obviously,16 Gbps of permutation performance is too much for the 8,8 Gbits (24*200+2*2000) needed by ports so why they put so many bandwidth?

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Cisco Switching/Routing :: 6509 - Upgrading Switching Infrastructure

Apr 11, 2012

The have around 80 staff and I think the current infrastructure is overkill for the size of the company. The current kit is old and they have no GB ethernet ports. They currently have:-

Core Switch:
1x Cisco c6509with a 48 port fast ethernet module (WS-X6248-RJ-45)
and an 8 port fibre module (WS-X6408A-GBIC)

I'm looking to replace this with something with 72 ethernet ports and 8 fibre ports

Access Switches:
2x 3500Replacement needs at least 48 ports and 2 fibre modules each

and 2x 5500Replacement needs at least 72 ports and 2 fibre modules each.

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Cisco Switching/Routing :: Layer 3 Switching And ASA 5505 With OSPF?

Jun 15, 2012

We are setting up a test lab in our DMZ.  The path to the internet is basically like this.  Anything past the firewall is irrelevant. For this lab lets assume it is vlan 300.
 
LAB SW ---> DMZ-SW ---> ASA FW ---> INTERNET
LAB IP Range = 172.16.300.0 /24
GW = 172.16.300.1 (On FW int)
Trunked all the way through.
 
I have an int vlan set up on the LAB SW.  It is being trunked to DMZ SW.   DMZ trunks it to ASA FW where there is a failover with a redundant switch.On the ASA the interface 0/2 is a subinterface 0/2.300 being used as the default gateway. 
 
I have DHCP running in a specific range on the LAB SW and do get an ip address when plugged in.  I cannot ping the default gateway on the ASA FW.The GW is defined using default-router command for 172.16.300.1 i.e.  default-router 172.16.300.1?
 
We are running ospf on the firewall.  There appears to be a pattern with ospf and a similar subnet setup elsewhere.  I was wondering based off of this info would configuring ospf for 172.16.300.0/24 allow me to ping the GW from a client on the LAB SW.Secondly.  I trunked 300 on the DMZ SW but I didnt add the vlan  to the configuration. i.e.  conf t <enter> vlan 300 <enter>  Does this really matter?  Or is having the vlan in the configuration only pertain to access mode on interfaces?

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Cisco Switching/Routing :: 3560x Or 3750x For Core Switching?

Mar 6, 2013

i cant find any difference in these two devices when i am trying to compare throughput.I need upgrade our new POP and there will be around 4900 MAC adresses in VLAN 150 and 130 MAC adresses in vlan 200.Uplink is 1 gig routed internet connection and there is 14 downlinks to separate villages.i found a few differences for eg stack interface on 3750x but i dont need it.  

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Cisco Switching/Routing :: PIM Joins Not Switching Through Catalyst 3560G

Aug 2, 2012

I have the network described below, on which I am running PIM.
 
(network) ---- Embedded Linux Router --(vlan 5)-- CAT 3560G --(vlan 5)-- Cisco 1811 Router ---- Multicast Listener
 
The Linux Router and the 1811 have formed a PIM neighbor relationship.  The multicast listener sends an IGMP Join and I can see the PIM join leave the 1811 router (via "debug ip pim"). Using tcpdump on my linux router I never see the Join come in, but I can see the PIM Hellos (which is why the neighbor relationship formed).

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Cisco Switching/Routing :: 3750 - L2 Trunking Versus L3 Switching

Dec 9, 2011

some of our switches have the switchport mode trunk command configured between the 3750 switches but other 3750 switches connected to our 6509 core switch do not have the switchport mode trunk command to permit Vlans from going across the swtiches instead it has an ip address and says no switchport what is the difference between does two. Is trunking used only for Layer 2 and L3 is used to route  interface vlans?

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Cisco Switching/Routing :: 800 / Use ASA To Configure All The Vlans And Intervlan Routing And Access Lists?

Jul 4, 2012

upgrading our small office network. We currently have about 75 employees with probably 125 devices on the network. I'd like to create about 10 vlans for the different departments and then configure intervlan routing as needed. Currently we have all unmanaged switches and it's just a huge broadcast storm on the network. We are upgrading our Cisco 800 router to an ASA5505 sec. Plus license. I need some recommendations on switches. Of course, this needs to be done as cheap as possible.... Is there a way to use the ASA to configure all the vlans and intervlan routing and access lists and use a cheaper switch to provide the access layer to hosts?

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