Cisco Switching/Routing :: Using 6509 Series As Core Switches
Jun 2, 2012
we are using cisco 6509 series switches as core switches. and Cisco 4510,4507 series switches as edge switches. all the vlans are created at core switches and propogating to edge switches through VTP. we are using OSPF as routing protocol at core switch for internal routing. till now we are using 4510,4507 switches as layer 2 switches. Since, 4510 & 4507 switches are hign end swithces i want use them as layer 3 switches instead of layer 2.if i change these switches from layer 2 to layer 3 does it make any impact on our network or better to keep them as layer 2 switches.if i change these switches to layer 3 is there any advantage i will have.
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Nov 14, 2011
If I have two stackable switches were only one stackable switch has two uplinks one uplink goes to one core 6509 switch and the other uplink goes to the other 6509 core switch can a Layer 3 etherchannel be used if each uplink go to a different core switch, by the way hsrp is running between both switches and also can you give an example how data will be routed from the stackable switch through the ethernetchannel to one of the core switch accross the WAN to another core switch?
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Apr 21, 2013
In the next couple weekends I'm planning to add 2 CISCO UCS 6248UP Interconnects to 6509 Core Switches via 10G links.
Is there any impact anticipated? It's a production environment and no loss of up-time is acceptable.
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Jun 8, 2012
connecting a 5548 pair to our core 6509s. Just want to be sure we don't introduce any issues into the network.The 6509's are connected and perform all the routing. Essentially, we're moving away from a 3750 stack in the data center and the 5548s are the replacement. We'd want to limit the vlans to the specific server network vlans. Our current setup is a port channel between the 3750 and each of the 2 6509s for redundancy. I'd like to use the same functionality when we connect the 5548's but I'm looking for what the config should look like to ensure no spanning tree loops are introduced and that it is configured optimally.
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May 30, 2012
How i can view the capacity throughput (backplane) of core switches (6509)? How i know much is in use?
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Feb 7, 2012
The 6509 Series Switches support the scenario VSS Active-Active Chassis, I would like to setup both switch's as one virtual switch but working at the same time, not with Active - Stand By Chassis.
My plans it to create PortChannel accross both Switches 6509 in order to have 2 links one connected to one slot/switch and the other connected to slot/switch in the second 6509 for servers redundancy.
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Jun 19, 2012
Our company will go to buy a core switch 4503. What is the difference between the Catalyst 4500 E-Series Supervisor 7L-E and the Catalyst 4500 E-Series Supervisor 7-E?
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Jun 8, 2011
I m planning to implement VSS in core but want some inputs on IOS as i have FWSM as a service module Core :- Ii am running 12.2(33)SXH2a on my Core 6509 and i checkd cisco sites and Fwsm release notes but it states only I-Train of IOS while mine is H-Train so can I directly upgrade to I-Train or I was thinking of SXH8b IOS.
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Jan 25, 2012
i'm already has one internet connection is conecting directily to the Core Switch 6509, and the Switch is route any internet request with default route:
SW6509-conf)# ip route 0.0.0.0 0.0.0.0 10.170.10.10
10.170.10.10 is --> Next hop for the DSL router internal IP, and it's working fine.
We have a new internet connection with another ISP/ with another DSL router, how to connect both of them to exit from the Core Switch 6509.
is it ok if i make another default route to the Next hop to the new DSL router as:
SW6509-conf)# ip route 0.0.0.0 0.0.0.0 10.80.10.10
10.80.10.10 is --> Next hop for the new DSL router internal IP.
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Feb 2, 2013
I am planning to upgrade the current core switch(3750) to 6509 series switch. Since we have a production network running we have to plan for an online core switch upgrade.
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Oct 23, 2011
What is PIM? give me an example when I will use and not use the PIM command.
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Nov 18, 2011
If I have two stackable switches one switch uplinks to one 6509 core switch and the other connection uplinks to another 6509 core switch, and also the other stackable switch does not connect to the core switches. Because I am using hsrp and also we are not using vss then one uplink to the core is not in used only ones is so then how does creating an etherchannel between does two uplinks to both core switches benefit me in anyway such as more bandwith and using both uplinks at the same time or I'm I wrong?
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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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Jan 28, 2013
Is there any challenge to upgrade core switch 6500 series from Nexus 7009 which runs NxOS, because i have 3750X series switches connected at distribution and access layer in my network topology??
Is there any challenge if we place NxOS in core and IOS in distribution and Access layer??? how we are able to match sh run config in existing 6500 switch to Nexus 7009 NXOS?
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May 9, 2011
I have FSWM active/standby installed in 6509-E core switches running following FWSM Firewall Version 3.1(3) Device Manager Version 5.0(2)F..I want to upgrade to latest FWSM version as well as ASDM, I downloaded asdm-622f.bin and c6svc-fwm-k9.4-1-5.bin from cisco portal. When i checked the show version of FWSM, it says..The Running Activation Key is not valid, using default settings: Running Activation Key: 0x00000000 0x00000000 0x00000000 0x00000000
I have gone through threads on CSC about how to upgrade FWSM in failover mode, now my concern is, Do i have to take care about activation key or keep as it is ? I have maintenance contract with cisco for all devices.
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Jan 19, 2012
I currently have 3 core switches on my campus. They are 6509 catalyst switches. They currently are not interconnected to each other.I want to interconnect them to each other. The IP addresses of each core sit on a interface Loopback500. [code] How can I interconnect each core to each other and what IP scheme could I use. I want them to be straight L3 to each other.
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Apr 8, 2012
we have two 6513 core switches redundant to each other by using HSRP and MST. Currently we have a problem in a CPU as it's high in both cores as appeared in the following logging message:
1: 04/09/12 16:06:20 7/-1: MAJ, GOLD,
test_sp_rp_inband_ping[7]: diag_hit_sp_sys_limit. SP-RP Ping Test skipped. Reason(s): netint_thr_active[1].
[Code].....
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Mar 17, 2013
Assume that we have 2 Cisco 6500 series which redundant via GLP, now my question is how can we connect a Juniper SRX firewall to our core switches?
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Feb 5, 2013
We have a Cisco 3750G Core switch which has physical connections, each configured as trunks to two HP Access switches. The client who uses these access switches would like to put a link between the two, but this would create a loop.
------- Core Switch -------
| |
| |
[Code]....
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Feb 8, 2012
The company I work have finally decided to enter the 21st century and invest in a new telephone system (Interactive Intelligence) to replace the legacy system which has served us well for the past 10 years. The project has only just started and involves upgrading sections of CAT3 cabling to CAT6, replacing Cisco 3550 switches in one area of the building with Cisco 4507 switches and upgrading our Core switches with Cisco Nexus 7010's. The area that concerns me most is enabling the network for qos as I have very little experience with it. At the moment Im trying to read as much documentation as I can on QOS to bring myself up to speed.
The access layer switches will consist of a mixture of Cisco 3750 & 4507 switches connected to Cisco Nexus 7010 switches which will form a collapsed aggregation & core layer.
Basically, how I should approach this daunting task of making sure the network will support VOIP.
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Jul 8, 2012
recommend a cisco core switch and access switches in IPTV network infrastructure?I was ask to implement a network for IPTV system but i don't have idea what will be the model i will use.
Core Switch = Cisco 4503
Access Switches = Cisco 3560X
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Sep 29, 2012
I configure 3750 stack switch as core and 2960 stack switches as access layer switches.I connected my laptop to one of my core stack in VLAN 10 and I am pinging to one of my server in VLAN 1. What will be the minimum latency at the time of inter VALN routing
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Jan 10, 2013
I've been fighting what seems to be an increased number of outqueue drops on our core stack and edge switches for the last 3 or 4 weeks.(The core consists of a stack of 5 3750s in 32-gig stack mode. The wkgrp switches are 3560s. all are at 12.2.52) The wkgrp switches are directly connected to users. We use Nortel IP phones with the phone inline with the user PC. auto-neg to 100/full. [code] However I have tried turning off QOS on a couple of workgroup switches (no mls qos, but left individual port configurations the same) but am still seeing drops.Since I have disabled qos on the switches in question (no mls qos) (not the core tho) I am presuming these commands have no affect on the switch operation and therefore cannot be related to the problem. With QOS turned off one would presume that it is general congestion - especially at the user edge where busy PC issues might contribute. So I wanted to see if I could see any instances of packets in the output queues building up.
I wrote some scripts and macros that essentially did a snapshot of 'show int' every 20 seconds or so, and looked for instances of 'Queue: x/' where x was greater than zero.What I found after several days of watching the core stack, and a few of the workgroup switches that are most often displaying the behavior, was that I NEVER saw ANY packets in output queues. I often saw packets in Input queues for VLAN1, once in a great while I would see packets on input queues for fa or Gi interfaces, but NEVER on output queues. [ code] Additionally, when I look (via snmp) at interface utilization on interfaces showing queue drops (both core and wkgroup), they are occurring at ridiculously low utilization levels (as low as 4 to 8%). I've tried to look for microbursts between the core and a wkgroup switch where the core interface was experiencing drops, but haven't seen any (using observer suite). [code] While the queue-drop counts aren't critically high at this point, they are happening more frequently than in the past and I would like to understand what is going on... In most cases, no error counters are incrementing for these interfaces. Is there some mechanism besides congestion that could cause output queue drops?
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Feb 15, 2011
I've upgraded a 6509 switches wich are running in VSS, from IOS 12.2 (33)SHI1 to 12.2 (33)SHI5. After that I'm facing the folowing log messages periodically. [code] I know that this is a diagnostic result from TestUnusedPortLoopback feature. But this interface is disabled (shutdown).
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Jan 8, 2012
I want to setup HSRP between three 6509 switches with a single virtual ip for all the three switches.
know if its possible and share any site or config.
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Nov 19, 2012
I have 2 6509 switches configured with VSS.As per advised my managment I have to enable SSH but it is not available existing IOS which is "s72033-ipbase-z.122-33.SXI3.bin". SSH available in "s72033-ipbasek9-mz.122-33.SXI10".
upgrade the IOS with VSS configured switches.
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Feb 19, 2012
I have to use 9 Cisco 300 series switches to build a new network. I will use one of them (core switch) in L3 for routing between Vlans (3 Vlans) and the others in L2. Is there a software to centralized all switches configuration, operation and monitoring?
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Dec 1, 2012
On our backbone (Cisco 6509) we have the following config.
spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree vlan 1-200 priority 24576
1. is rapid-pvst the best spanning tree protocol to use? on some switches we have pvst (not rapid)
2. do all switches in the LAN need to use the same protocol?
3. does line 3 :priority 24576 mean that someone set tis switch as root manually? how can one further enforce the backbone as root (so noone adds a old switch with lower root id)
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Oct 22, 2012
I am connecting power cable (series power cables) on 3750 stacks. i have connected them the same way the stack cables are connected i.e. fo rexample on a stack with 3 3750s:
1- fitst slot on fist switch connected the second slot last switch in the stack.
2- second slot/ port on the first switch to the first on second and seoncd on teh second switch to first on the third switch.
this how they are alway been stacked.Now, I need to connect power cables and I have followed the same method for stacks up to 4 switches. it seems that if a stack has more tham 4 switches, then the cabling will be dofferent!?I was wondering what will be on the cabling scheme for stacks more than 4 switches.
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Jul 16, 2012
OSPF normally only comes with IPservices image and not IP Base image. The 3560-C series data sheet says that it only suport IP Base image, yet it mentions that support for OSPF in included. Are there any restictions in the OSPF support?.
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Apr 11, 2012
My task is to upgrade a couple of 6500 series switches, 6513 with SUP720/MSFC3 (WS-SUP720) and Policy Feature Card 3 (WS-F6K-PFC3B) installed. How to upgrade those switches if in SSO redundancy mode with two SUPs installed?
I understand that it is good to connect to the MSFC3 via console and upgrade this first, is this correct?
I also have to upgrade some 6509 but I only can test it on one 6509-E, how to get everything up to date. [code]
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Dec 11, 2011
I have a design for my infrastructure and i'm thinking to choose 4 or 5, or more, 2960 series in a stack mode instead of one 4500 series?
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Mar 29, 2012
some of the features of 6500 are enabled by default and woudn't appear in the "Show run". See the command below and how do I make sure whether these featues are enabled by default or not. Would it appear in the config if enabled?
ip verify unicast source reachable-via rx
ip verify unicast source reachable-via any
storm-control broadcast level 70
what are the difference between the commands below and can they be enabled together.
spanning-tree guard root
vs
spanning-tree loopguard default
vs
spanning-tree guard loop
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