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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Apr 4, 2012

how can i limit bandwidth on a gig port of 2960 or 4506e switch?

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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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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.
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Dec 8, 2012

I would like to check if it may be possible to hot-upgrade/swap the 4506E power supplies? Based on the configuration guide; I have summarized the steps as follows:

1. Switch has 2 existing power supplies to be upgraded

2. Remove right side/bay 2 power supply and install new power supply

3. At this point; the new power supply will be in err-disabled due to different power supplies on the switch

4. Remove the left side power supply and install new power supply

For item 4; during the removal of the old power supply in bay 1/left side and installation of the new power supply; I am wondering if the switch would lose power even though the new power supply is installed in bay 2?

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Sep 10, 2012

I think choose this SWITCH 4506-E and I need running only features L2 Metro, but Idont known what IOS for this!

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Feb 27, 2013

I have two Cisco ASA 5510s that I would like to configure in an active passive failover setup.  The ASAs  are at the top of our rack and handle all our routing.  We have been  only using one ASA unit with one line from our ISP connected to the WAN/outside interface of the ASA.  We recently had our ISP setup two lines into our rack using HSRP.  I do not know what equipment they are running upstream of our ASAs but it is HSRP so it should be a set of Cisco routers/switches.  Originally I thought I could just connect the 2nd new line to our 2nd ASAs WAN/outside port and setup failover using a crossover cable between the ASAs.  After doing this config I had problems accessing some of our IPs in the subnet that the HSRP is part of.  If I disconnected the 2nd ASAs  WAN/outside line everything was fine.  After talking with my ISP they  explained that I need to connect both of my lines into our L2 network  and then from there into the ASAs. Currently below the ASAs I have two Catalyst 3560-X switches.  They are connected together with an ISL trunk and ASA-1s inside network connects to switch-1 and ASA-2 to switch-2.  One idea was to connect each of the HSRP  lines to each of my current switches and then from the switches to the  ASA's WAN/outside interface.  Finally back down from the ASA's to the  switches via the inside interface that we have currently.  This kind of  seems messy and a poor choice.  The other idea is to get two switches that would sit above the ASAs and connect the HSRP lines to them with the switches connected together.  They would then connect to the ASAs.  I like this idea better but I don't like having to buy two more full switches for this.  These switches would only use a couple of ports and only handle just the HSRP ISP lines to the ASAs.  Putting in two more 3560-Xs  would be a big waste of money and space for this.  So I was thinking of  using two Cisco SG200-08, 8 port gigabit basic managed switches for  this. 

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Dec 9, 2012

Can i have HSRP or GLBP between two different switch like 3550 and 3560?

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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 :: 3550 - Unable To Ping Internet From HSRP Standby Switch

Nov 16, 2011

I have router connected to 2  3550 switches  directly. 3550A  and B  switches are running HSRP. OSPF is running between Router and 2 switches.
From Switch B  i can ping the Router Wan interface but not the internet sites. from Switch A  i can ping any sites?
Switch B 
3550SMIB#                          sh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area       N1


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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.
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Mar 25, 2012

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So. for one of my port (FE 0/3) i need to put the bandwith limit 512 kbps, how to configure the above same.
Note:- I configured the below but no effect
1. interface FastEthernet0/3description * CONT TO B-CENTER *switchport access vlan 10switchport mode accessbandwidth 1024speed 10
2. and there is no srr bandwidth limit option for 2950, but the same is working for 2960.

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Oct 8, 2012

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Sep 18, 2012

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Oct 31, 2012

I have the attached setup. now i would like to limit my ftp transfer to 10 mb  from a specific vlan to ftp server on the STM-4 (622) link.  what would be the best way to limit ftp traffic to 10 mb .Video_Main#sh verCisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)Technical Support:

[URL] Copyright (c) 1986-2011 by Cisco Systems, Inc.Compiled Tue 26-Apr-11 18:09 by prod_rel_team
Image text-base: 0x100A0994, data-base: 0x13CAB728
ROM: 15.0(1r)SG1Jawa Revision 7, Snowtrooper Revision 0x0.0x116
Video_Main uptime is 15 weeks, 3 days, 23 hours, 53 minutesSystem returned to ROM by power-onSystem restarted at 16:38:21 UTC Wed Nov 23 2011Running default software
License Information for 'WS-X45-SUP7-E'    License Level: entservices   Type: Permanent    Next reboot license Level: entservices
cisco WS-C4506-E (MPC8572) processor (revision 8) with 2097152K/20480K bytes of memory.Processor board ID FOX1502GZHFMPC8572 CPU at 1.5GHz, Supervisor 7Last reset from PowerUp9 Virtual Ethernet interfaces204 Gigabit Ethernet interfaces10 Ten Gigabit Ethernet interfaces511K bytes of non-volatile configuration memory.
Configuration register is 0x2101

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I want to limit the bandwidth of my Catalyst 3750 series switch, I read the cisco documentation and I applied the commands but I didn't get the wanted results.

For the outbound traffic it's ok, but for the inbound traffic I used policing but I get an unstable traffic. I used, an access list and a class-map to classify the traffic and then a policy-map.(I followed the steps mentioned in this site: [URL]

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Jan 24, 2013

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Feb 20, 2012

How much is the limit for the creation of PortChanel in a Core Switch 6509 and 6513?Is there a limitation byu hardware?

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Cisco Switching/Routing :: 3750 To 4506E Trunk Connection?

Sep 26, 2012

Cisco 4506-E port configuration
 WESTERN-4506-01#show int g4/47
GigabitEthernet4/47 is down, line protocol is down (notconnect)
  Hardware is Gigabit Ethernet Port, address is 0022.554c.01fe (
  Description: Trunk to 425

Cisco 3750 Configuration

interface FastEthernet1/0/1description 425Linkswitchport trunk encapsulation dot1qswitchport trunk native vlan 30switchport trunk allowed vlan 30,35switchport mode trunkswitchport nonegotiateswitchport port-security aging time 2switchport port-security violation restrictswitchport port-security aging type inactivitystorm-control broadcast level pps 300storm-control multicast level pps 300storm-control action trapmacro description cisco-desktopmac access-group AuthorizedHosts in
I have mac address' populated. I can see the device in layout on CNA with the proper name however cannot ping it.

4506 is
3750 is

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Two days back my entire network was behaving in unusual ways.When is connect to core switc(4506e) through console. [code]

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Jul 21, 2012

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Dec 29, 2011

I started having connectivity issues between my core 4506E (Sup7E) and Cisco 2960S. There were input and CRC errors on Te int (SFP 10Gb - LRM) on 2960S, which cause the interface to reset and drop connections. While troubleshooting this issue, I have replaced patch cords and also had the tech checking the fiber. He said that there was some residue on one of the connectors, so the light levels fluctuated in 1300nm, but worked fine in 850. Well LRMs are using 1300, so he re-polished the tips, which worked to stabilize the light levels. After all that, I was still receiving the input/CRC errors, but the connection was NOT dropping. As my last resort I swapped the SFPs between the core and 2960, thinking I should start having issues on the core end. Well, here's what happened: I stopped receiving input/CRC errors on 2960 (also no errors on the core), but 2960s started generating Rx power high alarms: [code]

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Jun 6, 2010

I'm trying to set up a new switch, a 4506e, for a remote site. Most of our newer remote sites are using a 4506 and this is the first time I'm working with a 4506e. Our standard configuration, which was in use before I started here, has QoS settings. I'm not that familiar with QoS. Most of the QoS commands in our standard config aren't working in the 4506e. Does the 4506e have QoS? Is there some guide as to setting it up? Below are excerpts from the config we're using that are QoS related:
qos dblqos map dscp 32 33 34 35 36 37 38 39 to tx-queue 2qos map cos 3 to dscp 26 qos map cos 5 to dscp 46    qos aggregate-policer XYZ_AGG 64 mbps 8 mbyte conform-action transmit exceed-action drop qos!class-map match-all match_XYZ  match access-group 142!policy-map police_XYZ  class match_XYZ police aggregate XYZ_AGG!interface GigabitEthernet4/1 description server qos dscp 48!interface GigabitEthernet4/30  description server  service-policy input police_XYZ!interface GigabitEthernet4/48 description upstream connection qos trust dscp tx-queue 1   shape 98 mbps tx-queue 2   shape 1 mbps tx-queue 3   priority high

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Oct 9, 2012

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2) Troubleshooting techniques to identify the issue.

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Jun 22, 2011

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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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