Cisco :: Upgrade A Router From A 2811 To A 3945?

Nov 10, 2011

I need to upgrade a router from a 2811 to a 3945.

2811 has the following modules:

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Cisco WAN :: 2811 - Upgrade Router

Jan 9, 2012

I am looking to upgrade a 2811 router to 15.1.2T and see in the release notes that this image is only compatible with  the "C Series" older ISR routers?  What is a "C Series" ISR and how do I know if I have one?

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Cisco Switching/Routing :: Router Upgrade 2811 To Latest Version

Aug 22, 2012

I upgraded a 2811 router to the latest version and apparently everything went smooth.   I reloaded and did a sh ver the IOS show the correct version, but the boot strap shows the old IOS.  How can I change the boot strap to show the new IOS.

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Cisco :: 2811 To Upgrade LMS 3.2 To 4.1

Feb 29, 2012

I want to upgrade LMS 3.2 to 4.1. But when I look to "Special Notes and Exceptions for Devices Supported" document ,It seems that 2811 have 2 SysID.

Why there are two IDs for the same hardware and under which ID will my 2811 routers be classified into inventory database. This information is important since customer want to have support of 2811 in CiscoView of LMS 4.1 (around 200 devices).

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Cisco WAN :: After IOS Upgrade To 15.x On 2811 MEM Util Raised From 20 To 43 Percent

May 29, 2012

after IOS upgrade to 15.x on Cisco2811 MEM util raised from 20% to 43%. Is it critical?Which level of MEM utilization is critical?

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Cisco WAN :: 2811- ILPM 4 Motherboard Out Of Order After Upgrade

Apr 2, 2012

I recently upgraded my 2811 router with an AC- IP power supply, and installed a HWIC-4ESW-POE, with an Inline Power Daughter Card (ILPM-4) installed on the HWIC.
The second I turned the router's power on, there was a spark and a burning smell. Everything still works, except POE. Examining the card, I see it caused a circuit on the ILPM-4 motherboard to blow, and there is black residue everywhere. This is a Genuine Cisco power supply, but why it's done this.
Furthermore, when the power supply was first installed, it had so much electricity (and I know this is why the card got toasted) that touching the end of the console cable or an Ethernet cable connected to the router, or even the router chassis, would cause you to get a small electric shock, like touching a mild electric fence. Clearly, the power supply I installed is "too-powerful", but it is a 2811-AC-IP and nothing should have caused this.

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Cisco Switching/Routing :: 2811 / Upgrade DRAM Of 256MB To 512MB To Support 15.1 IOS Image?

Dec 12, 2012

I want to upgrade my DRAM of 256MB to 512MB to support 15.1 IOS image.Can I buy Cisco approved DRAM from third party Like [URL]

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Cisco WAN :: 3945 Router CPU Temperature?

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


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Cisco WAN :: 3945 Router NAT Output Interpretation?

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


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Cisco WAN :: URL Based Filtering In Router 3945

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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Cisco WAN :: Access-list On Router 3945

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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Cisco WAN :: 3945 Router IOS For VoFR Feature?

May 18, 2011

3945 Router IOS Required  for support VoFR Feature

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Cisco WAN :: 3945 Router And E3 / T3 Network Cards

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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Cisco WAN :: Router 3945 Log To Get 100 Mbps As Sum Of Tunnels

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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Cisco WAN :: Cannot Configure A Voice-port On Router 3945

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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Cisco :: 3945 Router Error While Adding In CiscoWorks

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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Cisco WAN :: 3945 / How To Remove A File With SNMP From Router

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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Cisco Switching/Routing :: VPN Configuration For 3945 Router

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
I highlighted strings with possible problems of of unabling to connect but doesn't know what to do with it.

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Cisco WAN :: Assigned Task Of Configuring 3945 Router For Sip Circuit

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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Cisco :: Monitoring Raid Status On SRE-910 Module In 3945 Router

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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Cisco Switching/Routing :: 3945 Router Password Recovery?

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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Cisco WAN :: 3945 Router Generating Crash Info And Booting

Jun 15, 2011

We have Cisco 3945 Router and generating crashinfo while firing PRI from this Router.

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Cisco WAN :: Memory Increase To 4G To Router 3945 But Show Version

Nov 15, 2011

Recently, I have increase to 4G memory ram to the router 3945 but when I show version, it does not state there are 4G in there but still showing the old mem ram size. Why is that so ?

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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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Cisco WAN :: 3945 Router Not Detecting VWIC3-2MFT-T1/E1 Voice Card

Dec 3, 2012

We have installed a VWIC3-2MFT card on a Cisco 3945 voice gateway but the router doesnt detect the card. out put is as below;
Router Version
System image file is "flash0:c3900-universalk9-mz.SPA.150-1.M.bin"
Cisco CISCO3945-CHASSIS (revision 1.0) with C3900-SPE150/K9 with 980992K/67584K bytes of memory.


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Cisco Switching/Routing :: 3945 Loose Connection Between Router And Switch

Jun 29, 2012

We are having problems with a two router 3945 in HSRP and a switch 2960.The two routers are connected to the switch 2960 through differentes ports. The problem is that we loose connection between the router and the switch.When we excute the command: show cdp neighbor at router, it shows nothing.If we try to make ping to the 2960 switch it is no reachable.If we make ping to the other router 3945 it is not reachable.All other function of the router are o.k.We are attaching the IOS of the routers and switch 2960 and a document in which make reference to a BUG in which mention about arp overwrite due arp attack which produce DoS.

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Cisco Switching/Routing :: Missing Commands Using DHCP / TFTP To Configure 3945 Router

Apr 10, 2012

I am using DHCP/TFTP to autoconfigure a 3945 router.  The router properly obtains an IP address and finds the correct TFTP server.  The issue lies in the download of the configuration file from the TFTP server.  The router downloads the file, gives the "Ok" message, and prompts you to press Return to get started.  When I view the running-config, several commands are missing from the Serial 0/0/0 section (HWIC-2T).  If I modify the config file on the TFTP server to use Serial 0/0/1 instead and repeat the process, the configuration file loads without any issues and Serial 0/0/1 has all of the commands.
I also tried moving syntax around in my config file, but the end result is still the same.  If I use Serial0/0/0 - I don't get all of the commands.  If I use Serial 0/0/1, I do.

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Cisco WAN :: 3945 To 7206 Router Via IGX 8400 / Configure VoIP With Existing Frame Relay Network

May 19, 2011

Application is that need to configure the VOIP  with the existing Frame relay network ,where VOFR  command is not shown in the router when type yhe command router config#dial-peer voice 123 need vofr On the 3945 router where in the router it is not accepting the above command,

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Cisco WAN :: 3945 Channelized E1 Not Pinging Self

Mar 3, 2013

We have recentrly replaced a 1700 router with Cisco 3945 router (Core Router) and the Channalised E1 interface is configured as given below: [code]
The issue happens intermittenly and makes network not reahable.Status of the links are UP/UP - No traffic forwarded through the link (Ser 0/0/0:1 and Ser 0/0/0:2) and at the same time not able to ping the local IP Address as well - issue on the Ser 0/0/0:0 link - Working fine.If you replace the new router with the old one all are working fine.

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Cisco WAN :: Configure 3945 With SM ES3G-24-P?

Apr 12, 2013

Our company have purchase new cisco 3945 and install SM ES3G-24-P.
Etherswitch already configure and can access service module. But assigned VLAN in a port and and ping the host connected on is RTO from the router.
Do i need to upgrade the IOS of the chassis so that the SM installed be detect as ordinary GE port?

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Cisco WAN :: Max Number Of PRI Ports In ISR G2 3945

Jan 7, 2013

How to find the maximum number of PRIs supported on a given router:
Let's say I need to find maximum number of PRIs I can connect on a C3945.
I see that I could buy  for example (4) VWIC3-4MFT-T1/E1. The C3945 comes with (4) EHWICs where such VWIC3-4MFT-T1/E1 cards can be inserted. Since each VWIC3 has (4) ports each, that would be total of 16 PRIs.
Then let's say I want to put more Service Modules and allow me to expand it further. The C3945 can support up to (4) service modules.
If I want to put the maximum number of PRIs possible, is it right I could install (4) NM-8CE1T1-PRI. That would give me maximum of 48 PRIs in a C3945.

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Cisco WAN :: NM-2W Is Compatible With 3845 And 3945?

Dec 27, 2011

I wanted to confirm if the NM-2W is compatible with 3845 (says it is compatible) and 3945.I wanted increase WIC density in these routers to install ISDN HWIC-4B-S/T 4-port ISDN BRI High-Speed WAN Interface Card.However, i am not sure if these cards are compatible on the NM-2W. Is there any other NM* module that can extend WIC density on those routers.

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Cisco WAN :: 3945 - Failover Between Routers?

Feb 13, 2012

I have 2 Cisco routers 3945. Use HSRP for links failover. Does exist any possibility (any protocol) which makes routers configuration's automatic synchronization (as failover for ASA firewalls)? I mean, if I will make any configuration changes on the Active router, automticly will taken this changes by the Standby router.

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