Cisco Switching/Routing :: Enable STP To Specific VLans In 6500 Switch?
Jun 13, 2013
I have 6500 with this STP configuration:
spanning-tree mode rapid-pvst
no spanning-tree vlan 1-4094
I need to enable STP on vlan 100 and vlan 103.
When I do "spanning-tree vlan 100,103 root primary" and then "show spanning-tree".I see that STP is not enable on these vlans (100,103).
I tried to do "no spanning-tree vlan 1-99,101,102,104-4094" and it is not work.
There is a way to enable STP on vlans 100,103 without to do "spanning-tree vlan 1-4094"
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Nov 22, 2011
I am confused on how acl's respond on normal cisco switch (eg.6500) when applied on respective vlans. this is my scenario:on a 6506, i have 2 main vlans in question: Vlan 100 ( vendor1 - 172.16.100.0/24 ) & Vlan 200 ( vendor2 - 172.16.200.0/24 ). the requirement is,
- vendor1 should be able to access/ping vendor2 end points
- vendor2 should not be able to access/ping vendor1 end points
Now, if i ping from a host 172.16.100.11 in vlan 100 to another host 172.16.200.21 in vlan 200, will i be able to get a successful response ?
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Jul 24, 2012
I have tried to test copy tftp: numerous time with no success. I believe the reason it is failing is my laptop to Ethernet port is in vlan 62 and the tftp process operates in a different IP space.I am using gig 7/1 and configuring my laptop nic for x.x.x.254 mask 255.255.255.0. I can ping from laptop to gateway) and I can ping from the switch to my laptop using ping vrf production x.x.x.254. Can you tell me what vlan I need to set my laptop connection in or if there is something else I need to change to make tftp work on vlan62?Does TFTP only work in vlan1 or can it be changed?
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Mar 27, 2012
I have purchased these two switches from ebay as a test lab, I plan to connect them up via a gigastack modulecable and enable ip routing on the c3550 and vlans to talk to each other.
I'm very much a procurve person and really need to get into the cisco switching.I will want to trunklacp between the switches - whats the process is setting that up on cisco switches?
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Nov 2, 2011
3945 is running c3900e-universalk9-mz.SPA.151-4.M2
3560e is running c3560e-universalk9-mz.150-1.SE
I've got brand new 3945's with onboard 16-port 3560e switches. On the first power up I see that there are several new vlans added that appear to be default vlans..
vlan 2 name fst2
vlan 3 name fst3
vlan 4 name fst4
vlan 5 name fst5
vlan 6 name fst6
vlan 20 name VLAN0020
vlan 21 name VLAN0021
vlan 22 name VLAN0022
vlan 23 name VLAN0023
vlan 99 name VLAN0099
I deleted the vlan.dat and reloaded the switch but these vlans come back. What these vlans are intended for and is there a better way to get rid of them? What does "fst" stand for?
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Oct 14, 2012
I am using a catalyst 2970 switch for 2 vlans. Corporate data and a separate VLAN for backups. What I want to do is create an LACP etherchannel to the switch and also trunk these ports so the server is part of both VLANS.Due to fact that some of these servers are on totally separated networks, they really shouldn't be able to talk to the backup server. Creating the VLAN for backups works to achieve this. I plan to create inbound ACLs on each port to allow only the ports and IPs for the backup network and allow everything we need for corporate data.I read somewhere that you can't have ACLs on an etherchannel and I just want to get it all straightened out. I notice I can't add an access group to the port-channel itself but I can on the port- channel member ports. Is this all I need to do or does this not work?
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Feb 17, 2013
I am trying to guarantee 100mbps for a vlan across a gig link. I have done some research and found this command for switches
mls qos srr-queue input priority-queue 2 bandwidth 20
However it doesn't seem to work for my 6500. I know the 6500 uses PFC for QOS but I have no idea how it works. how I can guarantee a vlan 100mbps across a 1gig link?
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Jan 24, 2013
configuring a switch or a router to limit the bandwidth for a specific user/IP when need it. Most of my remote offices are configured like this:
Users ------ 3560 switch ------- 2801 router -------- T1 to NOC -------- 7204 router with channelized DS3
I use Netflow Analyzer for high bandwidth usage alerts and can see the user's IP right away when someone is clogging our T1s. My goal is to be able to temporarily limit the bandwidth of the user taking over the T1. Whatever is best switch config or on the router.
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Jan 30, 2013
We have 4507 distribution switch in our network.I am trying to enable ssh in those switches but seems that ssh command is not supporting. IOS version - cat4500e-universal.SPA.03.03.00.SG.151-1.SG.bin
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Jan 6, 2013
I have been trying to get the http server enabled so I can access Cisco Network Assistant. I have my interfaces configured but for some reason the server in not running, port 80 is still closed. [code]
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Nov 8, 2011
I'm trying to setup a port on a catalyst 3750 so it will pass traffic for 2 vlans. It connects to a (watchguard) firewall which I've configured with a primary IP (for vlan 27) and a secondary IP (for vlan 29).
However I can't seem to find the correct commands to enter on the cisco switch port (I've tried a variety).
FYI the current configuration is...
interface FastEthernet1/0/38
description ## Connection to WG vlan27 and vlan 29 ##
switchport trunk encapsulation dot1q
[Code].....
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Feb 22, 2012
I have a small cisco switch cluster (seven different 2924, 3524cisco switches) with 3550 as a cluster control which does all the inter vlan routing that works fine.
This cluster is in semi production PBX interop testing lab. This is a closed network without internet access and not connected to our corporate network.However now I have to add this capability so some equipment in the lab can get Microsoft updates over the internet.
I've created a port on a 3550 (fa0/19) and connected it to another network that has internet access. It picked an ip address and when I'm logged in to the 3550 I can ping hosts on the outside network. However I can't ping any hosts on that network from any hosts that are connected to my vlans.I've tried a few different things, but still can't make it to work.
Here is a short version of my 3550 configuration:
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log datetime
no service password-encryption
[code]....
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Feb 20, 2013
Is it possible to configure both Catalyst WS-C2960-24PC-L and Switch Cisco SG300-28 to work together for VLANs for voice and data ? If yes, can you give me the resources which I can refer to ?
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Feb 13, 2013
I have 2 Chassis 6506-E with sup 720. one of them work properly(Switch1) but another(Switc2) not boot form bootdisk and go to ROMMON mode. I Captured IOS from Switch1 with tftp but I cant Copy this image to switch 2 with tftp.
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Feb 19, 2013
In my ongoing project i need to monitor cisco 3750-X port status (uplink/downlink) i.e. whenever there is some problem at a specific port. I need to monitor it through an OPC server and right now what i am doing is as follows: i am using Kepserver and i have added SNMP driver in it for that purpose i am not a networking expert but what i have learnt till now is that SNMP agent (that resides in switch) delivers the status of MIBs to SNMP manager ( which in my case is kepserver (opc server)) for the above purpose i am adding IF-MIB to monitor OID 1.3.6.1.2.1.2.2.1.8 (which shows port statuses) but when i add that in OPC server then it indicated that this OID is not available in the Switch ( it might be disabled) so i need to ask if there is any way to enable OID's in a switch,
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Mar 19, 2012
can you enable dhcp service on a 3560 switch.
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Sep 3, 2012
How to Enable IP Accounting in Cre switch 4000 Running cat OS and Cisc ASA 5510 (8.2 )
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Jul 14, 2012
I`m looking to automate some functions in a web application.Functions like enable/disable interfaces on a Cisco 3550 switch.
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Dec 18, 2011
i want use CACTI for monitor my bandwidth so i have a question how can i enable snmp for a switch port ? or i shoudl just enable snmp from configuratiopn terminal and then in CACTI i will choose which port will be monitor? can i do something that CACTI connect to my switch with a encryption key ? i have cisco 2960 48 port switch
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Nov 6, 2012
I have a 3750x 48port POE switch that I installed a second power supply in. But it doesnt power on. Am I supposed to enable it in the switch somewhere? I've plugged it into a couple different outlets so I know that's not the problem.
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May 2, 2013
I have lost the "ENABLE" password on my 3750 switch.
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Feb 20, 2012
We have a network of 30 VLANS and currently all the vlans have access to everything. We are using Cisco 6509 switch for Layer3 routing.I would like to prevent some VLANs accessing the server VLANs. How can I restrict access to the server VLANs?Do i need to implement access-lists on the 6500 switch? or do i need to create VLANS on the firewall so that all traffic i filtered ?
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Oct 14, 2012
I have a routed interface on a Cisco 6500 Series switch. I am trying to find a way to adjust the tcp mss.To date I have not yet been able to find a way to accomplish this. Is this just not supported?
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Jun 9, 2013
ON switch 6500 i have configured an interface vlan x and applied policies on inboud and outbound directions as per below: [code] But the problem i am facing is that the policy outbound works ok , but the policy inbound doesnt work at all. specifically it doesnt match anything. [code]
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May 31, 2012
we need to relocate our core switch 6500 with sup 720 to another bldg
what is the command to gracefully shut it down I mean power off
I was told one can just switch off the power
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Aug 27, 2012
I am going to change a running 6500 switch. I am missing a best pratice doc for changing a cisco switch configuration. My question is if a startup-config has an error (due to typo mistake, or due to comands not supported on latest IOS) and I do copy tftp startup-config then what will happen ? I want to make sure when I do "reload" the switch then it should boot normally with the latest startup config !
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Apr 3, 2013
I tried many different things to get the accurate answer for my issue. I wanted to know, will i face any connectivity or looping issue in the network if i connect Broacade SAN switch on a cisco 6500 switch.Also need to know to maintain a DATA DOMAIN which SAN switch is better? Cisco or other vendor.
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Oct 24, 2012
The switch 6500-E is frequently crashing whenever the pm scp process reach 100% .I got it under the command "remote command switch show proce cpu".How to solve the problem. I opened the TAC and the engineer says to upgrade the image12.2(18) sxf.Is there any other work around that would avoid to reimage the switch and reloading.
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Mar 29, 2012
I'm in the process of upgrading the IOS of our 6500 switch and unfortunately, the images were messed up by other users. Here's the output of show redundancy. [code] would i have any issues if I reload this slave supervisor engine to load the SXI8 IOS?
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Jul 16, 2012
one of the most widely deployed switches in the world. The "Swiss Army knife of network", can do routing, switching, security, wireless and almost everything that you would want your core switch to do. Remember to use the rating system to let Akshay know if you have received an adequate response.
Akshay might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Network Infrastructure sub-community LAN, Switching and Routing discussion forum shortly after the event. This event lasts through July 27, 2012. Visit this forum often to view responses to your questions and the questions of other community members.
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Oct 14, 2012
We have two 6500 core switches and one(primary) of them is running in VTP transparesnt mode and the other (secondary) one is running in VTP client mode. I would like to change the VTP mode of the second switch to transparent mode. Would it cause any issue. I guess i have to create VLANs onto the switch.
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Jun 5, 2013
I am planning to migrate the core switch from cisco 3750 to Cisco catalysts 6513 switch. What could be the best approach to minimize the downtime or avoid disrupting the production. I have couple of thoughts, one method is to build the core and then replace the existing core, another option is to build the new switch as the second VTP server and once it recieves all the VTP information then disconnect the old server.
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Jun 19, 2012
changing the Spanning-tree mode on a live 6500 running in a VSS mode?If so what are the things to watch out?
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