Cisco Switching/Routing :: Changing Power Mode On 6500
Oct 2, 2012
We have two 6500s. One is running in power redundant mode and the other is running in combined mode.We need to change the one running in combined mode to redundant mode to ensure it can run ok on one supply if needed but I have a couple of questions.
1. Assuming that we are not oversubscribed on the power allocated, does changing the mode cause any disruption?
2. The switch running in combined mode seems to have allocated some power for an "Inline Local-Pwr-Pool" which is not allocated on the switch running in redundant mode (see attached). Does this allocation will be needed if we change the power mode?
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Feb 28, 2011
I have a 6500 chassis with 2 power supplies. At the moment I am using the default configuration:
power-redudancy mode redundant
The problem is that an inserted module is in "power deny" state due too insufficient power.
I know, that It's not a good idea to change into combined mode (loss of redundancy), but my customers requested this anyway.
So I will change to combined mode. So here's the 1 million dollar question: "Which modules will go into power deny, if one of my power supplies fails?"
The 6500 config guide states:
"Power supply is removed withredundancy disabled
• System log and syslog messages are generated.
• System power is decreased to the power capability of one supply.
• If there is not enough power for all previously powered-up modules, some modulesare powered down and marked as power-deny in the show power oper state field."
Well, do you know if there's any way to configure some kind of priority? E.g. I definetly don't want by 10Gig Module or WiSM module to be in power deny. Can i statically make sure, those module will be powered on for sure? Like: "power enable module slot_number" How is this calculated? Or is random?
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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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May 18, 2012
The following discussion is based on cisco cat 6500 switches with two power supplies: p1 and p2. . Both power supplies are running in combined mode .Each power supplies is rated with 500 watts max( I just picked 500 watts for simplicity)Combined mode In combined mode, each power supply provides approximately 83% of its capacity to the chassis. This allows for greater utilization of the power supplies and potentially increased PoE densities
1) Let say our specific 6500 switch's configuration requires 1000 watts. We have two power supplies p1 and p2 ,each with rated power of 500 watts. Both power supplies must operate in combined mode. Will power supplies be able to meet the total load power requirement of 1000 watts?
Here is my understanding :The maximum power delivered by each power supplies is 83 percent of its rated power, assuming power supplies are running in combined mode.
So Maximum power delivered by power supplies
= 83% of p1+ 83% of p2
= 83% of 500 + 83% of 500
= 415 +415
=830 watts
Thus the required load of 1000 watts can not be met by our power supplies in combined mode.
2 )Suppose our switch's switch configuration needs 500 watts. Again our power supplies each rated with 500 watts, are configured for combined mode. How much power is being delivered by each power supply? Is it 83 percent of the total load i.e 500 watts?
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Mar 12, 2013
I received the following info from Cisco's TAC and wanted to inquire further before I start reconfiguring the switch:
In a redundant Sup-6E setup, the following configuration is supported :
- 1 TenGig uplink on Active Sup and 1 TenGig uplink on Standby Sup
- 1 TenGig uplink on Active Sup and 2 Gig uplinks on Standby Sup
- 2 Gig uplinks on Active Sup and 1 TenGig uplink on Standby Sup
- 2 Gig uplink on Active Sup and 2 Gig uplinks on Standby Sup
If you invoke shared backplane mode, the following configuration can also be supported:
- 2 TenGig uplinks(blocking) on Active Sup and 2 TenGig uplinks on Standby Sup
- 2 TenGig uplink(blocking) on Active Sup and 4 Gig uplinks on Standby Sup
- 4 Gig uplinks on Active Sup and 2 TenGig uplinks(blocking) on Standby Sup
- 4 Gig uplink on Active Sup and 4 Gig uplinks on Standby Sup
Here's the command and information about the "shared-backplane" mode :- [URL]
Currently, we have 2 SUP 6-Es(Module 5 - Active and Module 6 - Stand-by) setup in a redundent mode. I am planning on changing the redundent mode to the shared backplane mode so I can use 2 TenGig converters to uplink 2 access-switches. We purchased 2 TenGig converters and here is how I am planning on using them:
1- One will be used to uplink to two 3750 switches(stacked)
2- One will be used to uplink to a 2960 using a Gig SFP
My questions are:
1- Do I have to install the 2 TenGig converters(4-Gig Uplinks) in the same Module? Or can I use one one in module 5 and the second one in module 6?
2- Will changing the redundant mode to the shared backplane mode require rebooting the switch or disrupt the funtionality of the other linecards?
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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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Oct 30, 2012
we have 6500 series switches by default all port channel loadbalancing is src-dst-ip.Now we have a requirement to change LACP load balance method to src-dst-port.
1) If we change LACP loadbalance method whar are the effects we are going have on our core network and all the existing servers
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Nov 28, 2012
I have a pair of data center core 6500 is running a single EIGRP AS with the standard core redundant cross connects. Recently an SVI sub net was expanded from a /24 to a /23 and dropped out of the EIGRP routing table. Subsequent trouble shooting lead to the router id being one using an IP address that is no longer active IP address.
Reviewing old configurations I found, that year ago, the ip address used for the EIGRP router-id (10.100.106.3) was removed from the active interface and changed but the EIGRP router-id was not updated. The switch has not been rebooted since, no loop back is configured and there is not a higher IP configured on an active interface. Reviewing documented material on it, I cannot find anything specific on this condition but do see in the discussions on duplicate IDs, that new route updates can be a problem. I know how to update the router id but I am looking for confirmation on what would be the impact when I add a new loop back and manually configure the router-id under the EIGRP process with the new loop back IP.
My assumption is an EIGRP update and route re convergence with the standard 90 seconds of outage. How to confirm this is assumption is correct? I have no test bed to find out myself without doing this on the active cores.
show version Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(33)SXI5, RELEASE SOFTWARE (fc2) show inventory NAME: "WS-C6504-E", DESCR: "Cisco Systems Cisco 6500 4-slot Chassis System"PID: WS-C6504-E VID: V01, SN: <deleted> NAME: "1", DESCR: "WS-SUP720-3B 2 ports Supervisor Engine 720 Rev. 5.3"
PID: WS-SUP720-3B
EIGRP configuration is pretty basic:
router eigrp 10
network 10.0.0.0
redistribute static
passive-interface Vlan110
passive-interface Vlan80
[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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May 14, 2012
I have 6500 core switch with 2500W power supply, and I want to install a second power supply with 3000W ? is this applicable ? if yes, is there a specific configuration that must be done ?
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Oct 2, 2012
I know that the 6500 with a Sup 720 reserves power for a redundant 720. If there is no plan to install that redundant Sup, is there a means of releasing that reserved power? I know that one approach would be to insert a card into that slot to cut the reserve down, but I need to reclaim all of that power.
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May 1, 2012
We are having troubles getting a 10Gig interface to come up with a carrier... it shows down down.We are using X2-10GB-LR on a 6500 and SM fiber, distance to carrier hand off is about 90 feet.
According to: [URL]
The receiver power on a X2-10GB-LRis
Max
0.5
Min
-14.4
Our carrier is sending at +5db. Currently the interface is down.
My question is; would the interface even come up if it is receiving a powerful signal?
Here is DOM output for our interface.
show interfaces transceiver detail
Optical High Alarm High Warn Low Warn Low Alarm
Transmit Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
[Code]....
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Feb 12, 2012
Cisco IP phones attached to a Moduke in one of my Cat6500 access Switches suddenly went down. Upon closer inspection of the Switch Sys log, I observed the following Sys log error messages: [Module 9 is experiencing the following error: Inline Power Module - PS Voltage bad. ]A sh Mod output indicates the PoE daughter card and Main Module are "ok" - see attached output. It appears issue is related to the the actual Power Supply module and not the blade module and installed PoE Daughter card. I am inclined to open a TAC case for a PS replacement, but wanted to see if this can be resolved without a hardware replacement. At this time all 48 IP phones attached to this module are out of Service.
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May 9, 2013
can I plug power supply from 4500 to 6500? more specifically we have power supply PWR-C45-1300ACV. And we need to place some power supply to 6500, which has only one active module. So 1300 should be enough for it. But we dont know if they are physically compatible, if it is possible to plug. I didnt find this power supply to be officially?
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Dec 26, 2012
I am getting the below messages on my Cisco 6500 series switches every 1min. The IOS version is 12.2(33)SXI6 & with SUP32-GE-3B
%ILPOWER-7-DETECT: Interface Fa1/1: Power Device detected: Cisco PD
%ILPOWER-7-DETECT: Interface Fa1/1: Power Device detected: Cisco PD
%ILPOWER-7-DETECT: Interface Fa1/1: Power Device detected: Cisco PD
These messages are I am recieving on few ports only not on all port having IP Phone connected. I tried changing the phone to some other model but that also did not resolved my problem. Also I tried powering on the phone using power adapter but the issue still persist.
Client are not facing any issues due to this error, but still I would like know what can be the issue which is generating these logs.
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Mar 20, 2012
I have a network with spanning-tree mode mst, but, we want change this for spanning-tree mode rstp. I have two cores(6500) and need know what is the better mode for change this with no impact in my network?
We dont have distributing layer, like a "topology" below.
ACCESS LAYER SWITCHES
|
|
---------------------------------
|CORE1 ------ CORE2 |
--------------------------------
|
|
SERVERS
CORE1 CONFIG
spanning-tree mode mst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
spanning-tree uplinkfast
spanning-tree backbonefast(code)
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Apr 21, 2012
I have a very flat network. All of the gateways/SVI's exist on the same 6500. There are some vBrick IPTV servers that have a unicast address and 2-3 multicast addresses configured. After rebooting the 6500, the ip pim sparse-mode we had on all of our SVI's no longer work. I checked the old config and everything is the same as before I rebooted it. I troubleshot this for a while and found that the only way I can make this work now is if I enable ip sparse-dense on the SVI's. I believe this means that dense is the multicast method being used and I don't want to use dense mode because of all the flooding. How might I be able to make ip pim sparse-mode work again? I never had a static RP configured but I think I will need to. How do I decide on what ip address on the 6500 I should use as the RP? Should the ip address of the RP be a loopback address on the 6500 or should it be the SVI gateway ip of the vlan that the vBrick IPTV servers are on?
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Nov 28, 2012
We have a cisco catalyst 6509 with Supervisor Engine . After power outage, the switch always start in Rommon mode. Configuration register is 0X2102, we want to it always start in normal mode. What should i do?
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Jun 9, 2013
I am receiving the following error on 3750 stack switches. have already verified the power status and found ok.
IOS used: Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
211540: Jun 10 10:45:17.935 UTC: %PLATFORM_STACKPOWER-4-UNBALANCED_PS: Switch 4's power stack has unbalanced power supplies
211541: Jun 10 10:46:18.045 UTC: %PLATFORM_STACKPOWER-4-UNBALANCED_PS:
[Code]....
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Sep 4, 2012
After stacking two 3750X switches, with four equal power-supply's, with StackWise and PowerStack , still got the next message every few hours %PLATFORM_ENV-1-FRU_PS_ACCESS: FRU Power Supply is not responding (gn4m-rt1p08-04-2)( note that the message revers to the second switch in the stack ) although the stackwise and powerstack on the switches is oke and are working correctly. !
Config : Stack-power in power-sharing mode/strict With CLI on the switch : All the power supply's and stack-power details, prio look OK.
Only: LMS prime /inventory/cisco-view/configure/power supply status result : some power supply's are marked as disabled.with the command > power supply 2 slot a off/on I manage to get the status back to "normal", but after a few hours some power supply's are again marked as "disabled".
Looks like SNMP en IOS difference from opinion.
Hardware
WS-C3750X-24S-S
C3KX-PWR-350WAC
Software
15.0(2)SE
C3750E-UNIVERSALK9-M
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Apr 14, 2013
We have two switches of the same model (WS-C3560-48PS-S) that are not providing PoE. I'm trying to remotely determine what the cause of the issue is.
Here is some output.
Hostname#show power inlineAvailable:0.0(w) Used:0.0(w) Remaining:0.0(w)
Interface Admin Oper Power Device Class Max (Watts)--------- ------ ---------- ------- ------------------- ----- ----Fa0/1 auto off 0.0 n/a n/a 15.4Fa0/2 auto off 0.0 n/a n/a 15.4Fa0/3 auto off 0.0 n/a n/a 15.4Fa0/4 auto off 0.0 n/a n/a 15.4Fa0/5 auto off 0.0 n/a n/a 15.4Fa0/6 auto off 0.0 n/a n/a 15.4Fa0/7 auto off 0.0 n/a n/a 15.4Fa0/8 auto off 0.0 n/a n/a 15.4Fa0/9 auto off 0.0 n/a n/a 15.4Fa0/10 auto off 0.0 n/a n/a 15.4(code)
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Dec 21, 2011
how can we upgrade 6500 non modular ios to normal 6500 ios?
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Apr 4, 2012
In a stand alone 3750x switch configuration, can the secondary power supply only act as a redundant power supply (active/standby), or can it become a "pool" of power similar to power sharing mode for StackPower (somewhat active/active)? I understand there is no stack involved here but I'm curious if this functionality is possible.
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Feb 26, 2013
How can we know that 6500 and 7600 series switch and router are running in native mode or in hybrid mode.
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Sep 23, 2012
I have VLAN X with MTU 9216 on Switch-A. I also have VLAN Y with MTU 9216 on Switch-B. But not their SVIs are MTU 9216.They are not communicating to each other on packet size of above 1500. This is because SVI VLAN X and SVI VLAN Y connect to each other through SVI VLAN Z (Point-to-point Layer-3 connection between two switches). Although SVI VLAN X and SVI VLAN Y communicate through SVI VLAN Z, this inter-link port is a trunk port carrying other VLANs but VLAN Z is a native vlan for which SVI VLAN Z is defined.In order to make it work.
1. Do I need to change SVI VLAN X and SVI VLAN Y to 9216?
2. Change MTU for VLAN Z and SVI VLAN Z to 9216?
3. DO I need to change MTU sizes for other VLANs that are on TRUNK port?
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Jan 1, 2013
I have a new 881 router and am simply trying to change the ip address from the default 10.10.10.1 to 192.168.15.1
I tried doing this both in the CCP Express app loaded on the router, and also using the desktop CCP client. I can change other parameters without any problems, but when I change the ip address of the vlan the program hangs (as expected since the ip address should be changing). I then try to open it back up and reconnect but get no response from the router.
I can ping it no problem, and the http server is running according to the serial terminal.
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Sep 5, 2012
I have a MPLS cloud in our data center. I want one network coming into our core router to have a different default route than the other networks coming in. I'm getting hits on the acl but the route isn't applied and goes to the default route that is configured in the router. I have other PBR for setting local-preferences and as-paths and they are working fine.
The router is a 7206 Version 12.4(11)T3
!
ip route 0.0.0.0 0.0.0.0 1.2.3.4
!
ip access-list extended 2nd_Default_Route
[Code].....
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Nov 7, 2011
I just tested IP SLA with tracking on a 3750 12.2(46)SE. And the configuration was simple enough and tested fine for redundant static routing: [code] Then I tried to do the same on a 3560 switch running 12.2(55)SE3. ip sla went in fine. But when I went to put in the track I was presented with "list boolean and" (for example) after the track and the identifier.I tossed in the ip sla "10" as the object. But shopw track shows the boolean AND as down. I don't get why the track feature is different in two switches so close in IOS version. How do I get the 3560 to track the ip sla as my 3750 does?
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Oct 24, 2012
I have a client who is changing their management IP scheme as a bridge to replacing equipment and much of the old equipment (Catalyst 4000) is running CatOS and I am a bit weak in CatOS. The existing Management IP is setup as follows:
set interface sc0 1 192.168.252.209/255.255.255.0 192.168.252.255
set ip route 0.0.0.0/0.0.0.0 192.168.252.1
What we want to change this to is as follows:
set interface sc0 110 192.168.197.209/255.255.255.0 192.168.197.255
set ip route 0.0.0.0/0.0.0.0 192.168.197.1
The devices are spreadout over a large area and visiting each device is almost out of the question due to a time deadline I was wondering if I run this set of commands will this allow me to keep a remote session (SSH) running until the change is complete?
set ip route 192.168.197.0/255.255.255.0 192.168.197.1
set interface sc0 110 192.168.197.209/255.255.255.0 192.168.197.255
set ip route 0.0.0.0/0.0.0.0 192.168.197.1
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Apr 18, 2012
I have a 3560 switch with the following ports config [code] I would like to use theses ports on a different vlan to connect 4 pc's to them. Can I just remove them from the vlan, remove the trunk switchport and set up on the vlan i want them on with no trunking?
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Feb 25, 2012
I have 3750 Switch and need to activate the ipservices on it , it is need a license file to switch from ipbase to ipservices , if i installed the ipservices image from cisco site , do i still need an activation key to use it??
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May 15, 2013
we ordered a data e-delivery PAK L-SL-29-DATA-K9= (FOR A 2900 SERIES ROUTER) but after we received the PAK we discovered that the client actually has a 1900 router. Any easiest way of rectifying this mistake so that we can use the PAK on a 1900 series router?
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Jul 9, 2012
I have 2 SG300 switches, in layer3 mode, lag'd together for high availability, serving 2 Dell R815's and a Dell Equallogic 4100 for virtualisation. I have setup a number of vlan's, network traffic, mgmnt traffic, iScsi, vMotion etc and they seem to work.
However, Equallogic unit suddenly became unavailable to view for managment yet maintained iscsi traffic for the servers ok. After much head scratching, noticed that one of my SG300's had the vlan ports assigned to various vlans had *automagically* changed there assignment, ie tagged changed to excluded, but only for one of the iscsi traffic connections and the mgmnt port, both coming from the Equallogic, the other iscsi continued its assignment fine. The other SG300 hasn't changed. Guaranteee no one has been into change it and no changes have been made to Dell servers or Equallogic.
Q. Is there any circumstance where the switch can change the port setup itself? or is there any external circumstance that would trigger that change either?
This has now occured twice. The setup is running as a test lab, not in production until all setup is complete, then it will replace our existing harware.
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