Cisco Switching/Routing :: 3750 / Replacing Failed Member In Stackwise?

Dec 18, 2012

The stackwise marketing info states that when a failed member is replaced with a new switch the replacement switch "gets the exact configuration of the old device".  I would figure it takes a little more than just disconnecting and connecting a new switch in the same spot on the stack. doing this with 3750 family switches?  What are the steps to prepare the stack for a new member?  what steps need to be taken on the replacement switch before insertion into the stack to make sure it gets configured like the unit it was replacing?

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Cisco Switching/Routing :: Replacing 3750X Stack Member?

Feb 7, 2012

I have two 3750X in a stack. Each 3750X has one 10Gb uplink to primary core1 and one 1Gb uplink to backup core2 configured in 2 etherchannel groups. The member switch has bad ports, so I need to replace it. I have spare 3750X unit. Is it possible to connect the spare unit to the stack and then move the RJ-45 cables from the member with bad ports to the new member? That way I can minimize servers downtime to just a few seconds..If that would work, then the last step would be to move the 10Gb networking module from old member to the new one, as well as the secondary PSU. Is it doable? Also according to the documentation, all I need to add new member is matching IOS version, correct?

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Cisco Switching/Routing :: How To Reconfigure Stackwise 3750

May 1, 2012

there were three 3750s in a stackwise configuration but later it was decided to remove sw #1 from the stack and make it a standlone sw. I was trying to reconfigure the new combination and tried renumbering the switches and also changed the priority but the switch #1 in a stack if 2 now, shows three switches still!?how can I make sure that new configuration is done clean and the master switche only shows two switches with switch number 1 being master i.e. with "*"?

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Cisco Switching/Routing :: 3750-x / Separate Module To Enable Stackwise And Stackpower?

Aug 22, 2012

As I understand Cisco Catalyst 3750-x supports stackwise and stackpower technology.Do I need to purchase a seperate module to enable stackwise and stackpower? Or are stackwise and stackpower modules included be default on the switch already?

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Cisco Switching/Routing :: 3750E-24PD-S Stack Member Fan Failed Syslog Message

Aug 6, 2012

I have a pair of 3750E-24PD-S stacked together, it seems after stacked together the stacked switch always flood the console screen with these messages which are not true: [code] Switch-2 is the stack member, Switch-1 is the stack master. The RPS fan failed refers to RPS2300 or the internal power supply of 3750E? Even when I turned on the RPS2300 the stacked switch still display the messages. Also I have two RPS2300 serving stack master and stack member respectively both RPS2300 were switched off why the messages only refer to Switch-2 and not Switch-1? [code]

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Cisco Switching/Routing :: Add Stack Member 3750?

Jul 10, 2012

One of the stack member has failed and we need to replace the same with the new one.
 
[code],....

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Cisco Switching/Routing :: Cannot Console Into 3750-X Stack Member

Sep 27, 2012

I have 2 3750-x members in a stack running 12.2(58)SE2. I am able to console into the stack master, which happens to be the top switch, but not able to console into the 2nd member. I get the screen stating the console is available but never get the prompt to login. Is this expected behavior?On our stacks of 3750v2's, I'm able to console to any switch in the stack?

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Cisco Switching/Routing :: 3750 - Change Stack Member Numbers

Mar 3, 2011

I've got a 3750 stack with a 3750-48p being switch 1 and a 3750-12s being switch 2 and switch 2 is the master. I would like to change the stack member numbers. I would like the 3750-12s to be switch 1 and the 3750-48p to be switch 2. I undertand I will have to reboot the stack for the change to take affect but here are my questions: How would this change affect the stack running-config ? will the switchport config follow the change ?

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Cisco Switching/Routing :: 3750 - Changing Stack Member Numbers

Feb 5, 2012

I've got a 3750 stack with a 3750-48p being switch 1 and a 3750-12s being switch 2 and switch 2 is the master. I would like to change the stack member numbers. I would like the 3750-12s to be switch 1 and the 3750-48p to be switch 2. I undertand I will have to reboot the stack for the change to take affect but here are my questions:
 
- How would this change affect the stack running-config ?

- will the switchport config follow the change ?
 
switch 1 provision ws-c3750-48p
switch 2 provision ws-c3750g-12s

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Cisco Switching/Routing :: 3750 / Reload Member Switch In Stack?

Apr 5, 2012

I have just upgraded 2 3750 switches in a stack via the master and reloaded the master switch remotely, how can I reload the 2nd (member) switch?

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Cisco Switching/Routing :: 3750 Stack - Changing Switch Member Number From 3 To 2?

Sep 24, 2012

1)  current  switch have below mentioned  switch stack details
   . 
switch#sh switchSwitch/Stack Mac Address : fcfb.xyz.8b80H/W CurrentSwitch# Role Mac Address Priority Version State----------------------------------------------------------*1 Master fcfb.xyz.8b80 10 0 Ready3  Member 2893.xyz.3180 1 0 Ready
 
2) I am in process of changing switch member number from  3 to 2   , I executed the command on the global config mode " switch 3 renumber 2 "but I yet to reload the switch .
 
here I have I doubt . as currently  the ports module are   fas 1/0/1-48  and  fas 3/0/1-48 under respective vlan  . once I reload the switch is the switch port module number will get change to  fastethernt 3/0/1-48 to   fastethenet 2/0/1-48 ???  .  if it happens  the vlan configuation which configured on the fas 3/0/1-48 module  also get configured automatically  or I need to configure  manually
   
3) as i said  i have execuated  the command  :  "switch 3 renumber 2 " , how to remove this or revert the change  , as i checked in the running config  this command not exist .

switch ( config) # switch 3 renumber 2WARNING: Changing the switch number may result in aconfiguration change for that switch.The interface configuration associated with the old switchnumber will remain as a provisioned configuration.Do you want to continue?[confirm]Changing Switch Number 3 to Switch Number 2New Switch Number will be effective after next reboot

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Cisco Switching/Routing :: Replacing WS-3750-48p With WS-C3750X-48PF-S?

Mar 10, 2013

In my MDF I have a 4stack of the WS-3750-48P switches. Is it possible to replace one with a C3750X48PF-S with out causing any issues? Or would it be better to just have 3 stacked and trunk this one to the core 4506. Keeping in mind I bought this one to expand the port number for one of our remote offices.. I would hate to send them the gig switch when there isn't as much usage..Besides if I can get my CFO on this switch he might authorize me to replace the rest... He is reticent to believe it makes really all that much of a difference.

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Cisco Switching/Routing :: Replacing Two 3750 (stacked) With 3750X

Jun 3, 2013

I was wondering what general steps might be taken in order to "replace two(2) 3750 (stacked) with one (1) 3750X - Server Access". General steps and what I might have to do configuration wise. I know i'm copy pasting the existing configs into the new switch, but are there any caveats?

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Cisco Switching/Routing :: 3825 / Replacing Routing Function With 3750 Switch?

Jul 27, 2012

I have the task of replicating the router config on a 3825 router on a 3750 switch. Reason is we are taking out the router and replacing it with the switch to make use of the router for other functions.
 
Below is main part of the router config:
 
!
ip source-route
ip cef
!
!
multilink bundle-name authenticated
!
license udi pid CISCO3825 sn FCZxxxxxxx
!
vlan internal allocation policy ascending

[code].....
 
The 3750 switch I have runs C3750E-UNIVERSALK9-M, Version 12.2(55)SE3 on a LAN BASE license.
 
The first thing I have done is to order for a license upgrade to IP BASE which would give the support for OSPF routing.I do not see much of an issue with the Interface configs, however, I am not too sure about replicating the routing config on the switch.
 
My question is can I run the commands as shown for the OSPF routing on the switch? If not, can I get suggestions on how best to set this up on the switch?

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Cisco Switching/Routing :: Replacing 3750 24 Port With 3750 48 Port?

May 21, 2012

We have a stack of switches that is at the max number of members allowed in the stack. Problem is we are running out of port density and need to add more ports. So instead of adding a whole new stack I would rather replace 2 of the 24-port swicthes with 48-port switches.
 
If the two 24-port swicthes we are removing are stack members and neither of them are the stack master, I should be able to replace the 24-port switches with the 48-port switches without bringing the master offline? If the new 48-port switches are running the same IOS version as the current 24-port swicthes, they should add themselves to the stack?Would I have to tell the new 48-port swicthes what switch numbers they are replacing in order for them to be added to the stack since we are at the max number of members?Also since the 48-port swicthes are replacing 24-port switches will the master give the 48-port switches the configuration for only the 24-ports?

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Cisco Switching/Routing :: 3750 Switch IOS Upgrade Failed

Oct 4, 2012

I have upgraded my 3750X switch from

c3750e-universalk9-mz.122-53.SE3
c3750e-universalk9-mz.122-55.SE5.bin
 
later that by mistake i typed delete /force /recursive flash:now, I am unable to load new IOS error loading "flash:c3750e-universalk9-mz.122-55.SE5.bin" Interrupt within 5 seconds to abort boot process.Boot process failed...

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Cisco Switching/Routing :: Do 3560X Switches Include StackWise Cables

Nov 18, 2011

When purchasing part number WS-C3560X-48P-L is a StackWise cable included or do I need to purchase that separately?

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Cisco Switching/Routing :: Copy Flash Tftp Command Failed On 3750 Switch

Oct 5, 2010

I have a cisco 3750 swicth which i want to load a new ios to but unfortunately there's no enough space on the flash. This means that i need to backup the cureent (old) ios to my tftp server but the command keeps failing. It always gives 'No such file or directory' error .The free space on the flash is 8mb and my new ios is about 11mb.I also went inside the directory where the old is and inputed the same copy command but to no avail.Below are some of the command failure on the swicth:
 
[code]....

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Cisco LAN :: Four Member Switch Stack 3750

Apr 16, 2013

We have a current 3-stack 3750 ( 48-P,48-TS & 3750v2-48PS ) running fine. There is a plan to introduce a fourth stack member ( 3750X-48P ) into this stack.as per cisco documentation, it suggests to use 3750X as master for a mixed stack. In this case, we will need to upgrade current other 3 stack switches to a latest version.,Can we do a no-downtime ios upgrade on the existing 3-switch stack?, when this upgrade is done, is there any way to have the new ios pushed down to all three stack members at the same time or do we need to each member upgrade seperately?, for adding the fourth member, is it acceptable if master is ruuning ver eg. 12.2(55) and all rest of the members run ver 12.2(53) ? will this create any issues and will stacking be successful.

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Cisco Switching/Routing :: 3750X Performance After One Member Reboots

Aug 6, 2012

Pure 3750X-48PS ip base stack.One switch reboots from a power issue (possibly the master switch? Haven't confirmed yet in the 3 cases I've seen)The rest of the stack stays running fine (as it should), the rebooted switch rejoins the stack just fine
 
What I've observed after this scenario takes place is that network throughput on any port in the entire stack is severely degraded.  Prior to the one switch rebooting, I can hit gigabit transfer rates going anywhere on any of the switches in the stack.  After one member reboots by itself, I typically hit a transfer wall around 5-20mbps in one direction and sometimes better going the other direction. I've only confirmed this on 3750X stacks and I can replicate it every time.  Newest code I've experienced it with is 12.2(58)SE1.  I have not seen confirmed reports of this on older 3750 (E, G, plain) stacks of which we have a ton of.

Rebooting the entire stack so that all 3750X members are coming up at the same time solves the transfer rate issue every time.  I would think there has to be a better way to get performance back to normal or prevent the performance hit in the first place.

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Cisco Switching/Routing :: CBS 3120X-S Switch Stack Member Down

Mar 4, 2012

I have a 3 member CBS3120X-S stack in a HP C7000 enclosure (switches 1, 3, and 5). Switch 1, (the previous stack master) is not showing up in the stack and all the ports are down. Switch 3 has taken over as master, but I don't know what happened to switch 1.  The system and stack lights are green and I am not seeing any messages in the log. I reset switch 1 and that did not resove the issue. I disconnected the stack cable and reset the switch again (pulled it out and pushed it back in) and connected to it with a console cable. I get nothing on the console, not even rommon mode. I was connected at the default baud rate that worked when I connected the conole of the other switches in the stack, so I don't think is a serial configuration issue. If this is CBS hardware problem, I don't understand why the system light is green.

Switches 1,3, 5 and provision configuration:
 
switch 1 provision ws-cbs3120g-s
switch 3 provision ws-cbs3120x-s
switch 5 provision ws-cbs3120g-s

[Code].....

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Cisco :: 3750 Stack Member Loss Power?

Jun 10, 2012

I have a switch stack with three WS-C3750X-48 switches running 12.2(55)SE. Recently, stack member 3 went offline for a few minutes, after being online for over a year. A show version on member 3 reports that the system returned to ROM by power-on.

Stack member 3 shares a UPS with a router that did not lose power and all three stack members have stack power with four 350 WATT power supplies between the three of them. There are no crashinfo files on any of the switches, log files show the stack ports on the other switches going offline then switch 3 being removed from the stack.

Surveillance recordings show there was no one near the switch during the time and AAA accounting shows no clues. Is it possible the switch crashed without leaving a trace in the logs, a crashinfo file and report that it returned to ROM by power-on?

I've read before that loose stack cables can cause stack member reboots. Would such an event generate log messages other than the stack ports changing states to down?

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Cisco Switching/Routing :: 5510 / VPC Member Ports In Suspended State

Apr 18, 2012

indicate why my ethernet ports are in suspended state for some reason, i need an indication why this may be and what i can do to fix this issue. configuration below. I have a 7010 which i'm using to connect to two 5510's. I have one vPC connecting the two 5510's to the 7010. I have a vPC domain configured between the 5510's. and no issues at all. My Nexus 7010 port channel members are suspended for some reason.

Nexus 7010 
vpc domain 100
role priority 100
peer-keepalive destination 192.168.1.2 source 192.168.1.1 vrf vpc-keepalive
!
interface Ethernet 3/1

[code]....

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Cisco Switching/Routing :: 3845 - License Installation Failed With Error / XML Parsing Failed

Jan 19, 2012

I am having Cisco 3845 series router with c3900-universalk9-mz.SPA.151-4.M2.bin IOS . I want to install new Licence on it for DATA. When i am trying to install licence on it  i am facing the error "% Error: License installation failed with error: XML parsing failed".

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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 10.18.136.1.  P1-5KA is the Active with P1-5KB as Standby.
 
I can ping between the four using their SVI addresses.  I am unable to ping the HSRP virtual address .1 from P2-5KA or P2-5KB.I can ping ok only if I shut the VPC between P2-5KA or P2-5KB or define another mac address under the HSRP config other than the system default.  IP Packet debugs show that ping sourced from P2-5KB to P1-5KA loop between P2-5KA -- P2-5KB.  Pings sourced from P2-5KA to P1-5KA are transmitted but none of the 4 device debugs show a receive. both peer-gateway and delay restore 120 have been configured under all vpc domains and all units rebooted.

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Cisco WAN :: 3750 - Access Switches Not Accessible When Stack Member Got Rebooted

May 20, 2012

We have got 2 3750 switches in the stack which are connected to access switches with 2 uplink ports .  each 1 uplink from each physical stack switch .
 
Due to some power issue our member switch got rebooted. After the reboot the access switches were not reachable through ping , but i was abe to see access switches in "show cdp neighbour" .   Then i rebooted the master switch and member switch one after other . after which i was able to ping the access switches.
 
IOS Version : c3750-ipservices-mz.122-35.SE5.bin

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Cisco Switching/Routing :: 4500 Sup6E Priority Queue On Port-channel Member?

Mar 18, 2010

I am trying to implement priority queuing (LLQ) on a pair of 10GE links between a 4507 with Sup6E and a 4948 which are configured as an etherchannel. I am unable to configure a priority queue on the 4507.  I am running into the following issues:
 
I want to have a priority queue for voice traffic and specify minimum bandwidth for a critical application. If I configure a class with the priority command it will not let me use the bandwidth command on another class unless the priority class is policed. If I try it without the police command I get the message "bandwidth kbps/percent command cannot co-exist with strict priority in the same policy-map ". If I add  a police statement to the priority class then I don't get this error. 

When I try to apply the resulting service-policy to the physical interface it says "% A service-policy with non-queuing actions should be attached to the port-channel associated with this physical port" and does not add the command to the config. 

If I try to associate the same policy-map to the port-channel rather than the physical interface it says "% A service-policy with queuing actions can be attached in output direction only on physical ports" and does not add the command to the config. 
 
All of the other interfaces on the 4500 are working OK. The trunks have auto qos voip trust configured and access ports are marking the critical application traffic.
 
The 4507 is running 12.2(44)SG1 EnterpriseK9. I don't have the luxury to upgrade blindly to fix the problem unless I can identify a specific bug that is causing the problem.

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Cisco Switching/Routing :: Replacing Defective Redundant Sup-720

Oct 29, 2011

How to replace a defective redundant sup. I read on several articles that inserting new redundant sup should not be an issue as the active sup will always send its configuation to the standby. We are running SSO on the Sup720. Should I switch it to RPR before I install the redundant sup? I read a case wherein they switched it to RPR from SSO before inserting the new redundant sup. My concern is the IOS mismatch since Cisco doesn't always send the same IOS on RMAs.What I am planning is this.
 
1. Save/Backup configuration
2. Remove the redundant sup on slot 8 (since it is a 6513)
3. Insert the new redundant sup on slot 8.
4. Check if all the configurations were synced from slot 7 to slot 8.
5. Copy the IOS from sup-bootflash to slavesup-bootflash. (if the IOS are not the same)
6. Check show bootvar to see if the boot variables are correct.
7. If bootvar is the same, reload slot 8 to boot the new IOS.
 
Is this a good plan or am I missing something? I am worried with this document if the redundant sup has a different software. If i insert the card in slot8, according to Cisco, it will revert to RPR. If slot 8 boots and it has a different OS, then slot 7 will switch to RPR even if it's active. Would I still be able to access the slavesup-bootflash of slot 8? Is it going to boot 100%? I read that doing a force switchover will cause a flip and RPR would cause the line cards to reinitialize and I don't want that. Well I am not going to do a force switchover since i want slot7 to be active and retain slot 8 as hot.

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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 :: Replacing SUP 6L-E With 7L-E On 4506 Switch

Dec 6, 2012

We have sup engine 6L(WS-X45-SUP6L-E) on two 4506 switch. both switches connected in LAN (HSRP primary and Secondary).
 
We are going to replace it with Sup7LE. What is the best procedure to get this done with minimal outage?Any other important thing to be noted ? Note : We have Lincence for SUP 7LE

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Cisco Switching/Routing :: 3750G Replacing VTP Server Switch

Apr 8, 2013

I'm due to replace a stack of 2 x 3750 switches very soon with 2 x 3750Gs.  These 2 current switches are the VTP server for a small domain.  I have put the config on the new switches switches and I made it a server and used the same VTP domain and password etc and got the VLAN info ported over.Now I did this a while back and noticed the switches are in transparent mode with a revision number of 0, I need to set this back to server and swap the switches out but the revision will be lower than the client switches (around rev 200), what do I need to do?

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Cisco Switching/Routing :: Replacing 1841 12.4 Advsec With 1941 15.2M SEC/K9

Jul 2, 2012

I decided recently to switch out our border router (1841 12.4 advsecurity) with a shiny new 1941 (15.2 SEC/K9) as the CPU upgrade was needed.The core below acts as a VPN end point to various other remote offices we have, all of which have a similar network design at each end (and all entirely managed by me). All of these are still running 1841's with 12.4 advsecurity on them as well. These are all GRE tunnels with ipsec procection on them (not crypto maps). [code]
 
Everything else works fine (NAT, route-maps etc), it's just these IPSEC/isakmp tunnels that are not playing ballIt's definitely not an ARP issue (all arps were cleared) and ICMP appears to work fine (ie, I can ping the remote tunnel's public IP endpoint from the core using the loopback for that tunnel as the source). I am suspecting it's something strange with the stateful firewall config, but I did try and apply ipsec and isakmp-msft to the ip inspect list, with no success.

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Cisco Switching/Routing :: Replacing 2801 With 2911 Router

May 7, 2013

I have a 2801 router that I am replacing with a 2911. I know the ports on the 2911 are Gigabits and the 2801 are Fe. I read where the IOS would not support backup and restore on each other . I am attaching a show ver on both routers. I need to know if backup and restore would work and or what other changes would need to get done.

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