Cisco :: 3945 Router Power Supplies Load Balanced By Default?
Dec 5, 2012
CISCO 3945 Routers - Are the 3945 Router power supplies load balanced by default? We are trying to determine if our switch/server rack at our remote location has maxed out it's power load requirements. I just need to know if the 3945 power supplies load balance by default or if the redundant power supply is ON but not really providing the router with power and is just there incase the other power supply fails .
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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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Aug 17, 2011
We have two Cisco ASA 5510 Firewalls at one site, and two non-Cisco firewalls at another. Both firewall pairs are configured for high availability (Active-Passive), and both have redundant links to the Internet via routers running HSRP. In the event that one of the Internet routers were to fail, we require the VPN to dynamically move from using the old path via the failed router to using the new router with minimal downtime.
I have been looking at using VPN load balancing to achieve this but the only configuration example I can find is for Cisco VPN Client url... Is it possible to define a static crypto map with the VIP of the load balanced group as the peer IP? So in the non-Cisco devices I will define the VIP of the load balanced group?
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Sep 26, 2011
I just purchased 5 RV220W to act as internet/wireless router at a remote site. There is no VPN, just LAN and Wireless routing to the internet.I have setup remote management and it works fine when I am directly connected to the internet. However, everytime I try to connect through our HTTP/HTTPs proxy farm, it usually fails. Specificially, I get the log-in page and can log in. It starts to render the landing page but redirects to a page stating "Your session has been terminated." On rare instances the first page will appear, however within a few clicks I end up with the same terminated page.
As a test, I bypassed the farm and forced my browser to use one proxy exclusively. At that point I could access the HTTPS interface with no issue. I have not had any issues with other SSL sites with the proxy configuration in use.Is there some sort of MITM prevention I could be running into? If so, can it be turned off.I am new to the RV-series of routers. Is there any logging I could turn on that would provide insight on why the session may be getting terminated?
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Jan 30, 2012
Our Exchange 2010 hub servers run multiple services/ports: smtp, www, pop3,135, 143, https, 993, 995, 6001,6002,6003,60200,60201,8400, and 8402 what is the best way of balancing these servers so that if only one of the services failed on a server, it would switch only the failed service to remaining servers. At present I only use an smtp probe, so as log as that sevrice is running the server is marked good.
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Jun 9, 2011
I am running a 4507 with the Power Supples PWR-C45-2800ACV. url...
Can I plug this power supply into this UPS unit? url...
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Feb 10, 2010
I have a 6509-E with redundant 3000W power supplies (WS-CAC-3000W) but one supply is current non-operational.From the outputs I'm not sure whether the issue is (more likely to be) with the supply to the PSU or the PSU itself, i.e. whether my first action should be to get an electrian to check the supply or fault call the PSU with our maintenance providers and have it replaced?
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Mar 12, 2012
I have two WS-C3750X-48PF-S in stack, but every one has just one power supply. In the package of the switches is included one stack power supply cable.does it make sense to use stack power cable if every switch has just one power supply ??
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Sep 12, 2012
Are the power supplies on these switches interchangeable? I know the model numbers are the same with the exception of the /2 at the end if it. Customer wants it to have a dual power supply but not sure if I need to order a secondary powere supply or just another powere supplu from a spare switch.
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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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Sep 19, 2012
If I'm upgrading dual redundant power supplies in a Catalyst 4507 from 1000W (data) to 1400W (data), can it be done without taking the switch through a power cycle? I'm guessing no as I read that the switch will not recognize a 1400W PSU in bay 2 if there is still an original 1000W PSU in bay 1.
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Jul 26, 2010
We just purchased a Nexus 7010 switch and we are at a stand still with our COLO trying to figure out what power source should be provided. APC recommends a 50amp 3phase vertical cabinet PDU (AP7867). What type of power sourcereakers will be sufficient in handling the Nexus 7k /w (3) power supplies? Do the COLO need to provide single phase or 3 phase power recepticals?
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Nov 29, 2012
Right now I have 2 default routes load balancing 100MB internet links. This is on my 2 6509's.
ip route 0.0.0.0 0.0.0.0 10.47.2.1 (FWSM)
ip route 0.0.0.0 0.0.0.0 10.47.2.250 (5510)
Is there anyway to make the first default route take more of the traffic, like 60/40 or 70/30?Any program that I could use to see top users going through the FWSM?
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Mar 26, 2012
I have a internet router 2921 .my isp is providing 100 mbps internet link with static public ip network .I am using a default static route to the isp wan ip .I am planning to upgrade 100 mbps to 114 mbps .Unfortunately my isp doesnt have gig port in their side .So they are ready to provide two 57 mbps line .Isp agreed they will route my public ip networks in both the links .
As a result i have two 54 mbps link with same network with two wan networks .My question is whether two default static route to both wan ip will carry out the load sharing correctly ?
Eg :
172.24.66.0 255.255.255.252 -first link my fa0/1 172.24.66.1
172.24.66.4 255.255.255.252 -second link my fa0/2 172.24.66.5
ip route 0.0.0.0 0.0.0.0 172.24.66.2
ip route 0.0.0.0 0.0.0.0 172.24.66.6
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Aug 14, 2012
I have deployed 2 x Cisco 1522 mesh access point and configured both as root ap. On top of that, I have also customized the power setting for the 802.11a/n signal to value 5. However, I discovered that whenever the mesh APs reboot, the power of 802.11a/n signal to will be reset to value 1.
Thus, I would like to ask is this a norm behaviour or I have mis-configured some setting?
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Mar 25, 2012
Will there be some pause in traffic on formed ether channel interfaces (4500E switch), when i will change the default ether channel load balancing method to src-dst-port (or any other non-default method)?
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Nov 8, 2012
I am trying to find out what the 'normal' operating temperature of the CPU in a 3945 router is? We have just replaced some 2800 routers for 3945's and the NMS server initially complained about the new router CPU temperature being too high. Compared to the 2800 the CPU temperature is much hotter - 50 degrees celcius as opposed to 20-smothing degrees. I have searched but can't find what are considered 'normal'?
This is the output:
router#sho environment allSYSTEM POWER SUPPLY STATUS==========================Internal Power Supply 1 Type: DCInternal Power Supply 1 12V Output Status: Normal
[Code].....
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Nov 10, 2011
I need to upgrade a router from a 2811 to a 3945.
2811 has the following modules:
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Oct 3, 2012
I have some lags on my 3945 router. From show ip nat statistics there is following output:
BR1#show ip nat statistics
Total active translations: 20 (0 static, 20 dynamic; 20 extended)
Peak translations: 8877, occurred 1w0d ago
Outside interfaces:
GigabitEthernet0/0, GigabitEthernet0/1
[code].....
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Jan 15, 2013
Is Cisco 3945 router support URL based filtering . For example to block website [URL] but not the main site [URL].
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Mar 15, 2012
I reported a really strange issue on a Cisco Router 3945. Here below info about release software used: [code] Please look at a brief extract of router running configuration file: [code] It’s an easy configuration of Extended ACL and the application on an Ethernet interface. The expected result is:
- The interface works properly (because access list is permitting every kind of data traffic in input)
- Checking “show access-list 180”, the counter of matched packets increments for all the packets that are forwarded inside the fa0/0/1.
But actually the Fastethernet 0/0/1 drops all the packets as if all the packets don’t match with access list (And this behavior is really incredible). The interface couldn't be used anymore because any kind of data traffic is denied.
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May 18, 2011
3945 Router IOS Required for support VoFR Feature
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Aug 11, 2011
I just got my first 3945 router and E3/T3 Network cards and when I do a sho ver I can see the E3/T3 card but when I do a show run all I see are the 3 GE interfaces.
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Aug 9, 2011
I am getting the following message from a 3945 router: %CERM-4-TX_BW_LIMIT: Maximum Tx Bandwidth limit of 85000 Kbps reached for Crypto functionality with securityk9 technology package license.
That router has 8 Gre/IPsec tunnels and one of those tunnels is 100Mbps.The question is, could I get 100Mbps as the sum of all tunnels, or is there a restriction to 85Mbps ??
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Dec 21, 2012
When I try to configure a voice port (like voice-port 0/0/0:15) after doing a conf t, it gives me an error of invalid input detected.We are using a Cisco 3945. We have successfully setup 3825 and 2851 in the past.
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May 29, 2010
I have a Cisco 3945 Router and when we try to add the same into the Cisco Works it gives me an error saying " CM0056 Config fetch failed for 192.168.xx.xx Cause: CM0204 Could not create DeviceContext for 1238 Cause: CM0206 Could not get the config transport implementation for 192.168.xx.xx Cause: UNKNOWN Action: Check if required device packages are available in RME. Action: Check if protocol is supported by device and required device package is installed.
We are using LMS version 2.6. Any info on the latest router 3945 with support or not.
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Dec 10, 2012
On a 3945 voicegateway,I want to remove a wave file (announcement), with the purpose that a new one can be automaticaly downloaden from UCCE to the box.Is there a way to do that automaticaly with SNMPSET <voicegateway> <MIB OID> <??wave file name??> <reload>
EDIT: or clear the cache, which it should be I think. (all wave file cache, or only one file, not sure what should be used and/or what is possible
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Dec 2, 2012
the router IPSec VPN config for remote users using Cisco VPN Client 5.0.07
Router 3945 IOS C3900-UNIVERSALK9-M Version 15.1(4)M4
Here is VPN related config part and log from router and client.
aaa new-model
!
!
aaa authentication login default none
aaa authorization network default none
!
!
crypto isakmp policy 5
encr aes 256
authentication pre-share
[Code]...
I highlighted strings with possible problems of of unabling to connect but doesn't know what to do with it.
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Jan 25, 2012
My wireless router only supplies half the house with consistent Internet access. What's the easiest way to ensure connectivity throughout the house?
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Aug 31, 2012
I have been assigned the task of configuring a 3945 router for sip circuit. [code] Where am I supposed to put this config? On the bonded serial link?
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Feb 7, 2013
We just recently purchased a 3945 ISR G2 router and have a SRE-910 module (with two hard drives) configured in a Raid 1. We are running a stand-alone version of ESXi on the service module and I'm trying to figure out how to monitor the status of the Raid on the drives (along with other health issues). SNMP has revealed nothing so far and even opening a support case for which MIB's to use has proved fruitless. All the documents I find on monitoring the modules say to use LMS which is now Cisco Prime. I've downloaded the trial copy, put in the SNMP settings and scanned the router. I get device results and it shows that I have the SRE-910 module installed, but I get no other configuration / device informaiton from the module itself.
I tried to create a new Monitoring template using the NAM health as the base template (which I'm assuming this is the correct template). Unfortunately, when I actually try to deploy the template against the discovered router, I get an 'Unexpected end of list' error which makes me assume I'm still doing something wrong.
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May 20, 2010
I understand that the password has to be changed the first time we login to Cisco 3945 router but i failed to do that and its not allowing me to connect using default username/password.
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Jun 15, 2011
We have Cisco 3945 Router and generating crashinfo while firing PRI from this Router.
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