Cisco WAN :: 3825 Router - Add Two More Gig Ports Additionally?

Feb 26, 2013

I am having Cisco 3835 with 2 builtin Gig ports , now We need to add two more Gig ports additionally , which Ethernet module would be recommended (model) ?

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Cisco WAN :: How Many Of 881 Switch Interface Ports Can Be Used As Router Ports

Aug 7, 2011

How many of the 881 switch interface ports can be used as router ports, have used the 877 etc where i can use 2 but need a low cost router that supports 3 for routing. (needs to be physical ports)

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Cisco WAN :: How To Configure PAT On 3825 Router

Jun 26, 2012

I want to configure PAT on the router I have no configuration yet

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Cisco WAN :: 3825 Router - RAM Upgrade To 1 GB

Nov 6, 2012

We need to upgrade the RAM on our 3825 Cisco Router. Currently, it's 512MB and we want to upgrade it to 1GB. So do I just order another 512MB DRAM Memory? What is the part number that I need to order?
 
Here is the show ver:
 
Cisco IOS Software, 3800 Software (C3825-ADVENTERPRISEK9-M), Version 12.4(24)T2, RELEASE SOFTWARE (fc2)
Technical Support: [URL]
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Mon 19-Oct-09 21:05 by prod_rel_team(code)

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Cisco WAN :: Replace Our 3825 Screening Router

Mar 25, 2012

We use a 3825 router to screen alot of the junk from the internet side or our firewall. Its worked well for the last 4 years buthas rebooted multiple times in the last month for no apparent reason.At this point I think  I would prefer to replace it.Our current internet link is 100Mbps and this router handles that quite well. Is there an equivalent that I should replace it with, or should I just buy another 3825 ?One with an OOB management port would be nice.

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Cisco WAN :: 3825 - HSRP Between Two Different Series Router

Mar 8, 2011

I want to configure HSRP between two different series routers. In my case the router are 3825 and 3925.

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Cisco WAN :: Capacity Benchmark On 3825 Router

Aug 3, 2011

What is the maximum amount of traffic a 3825 router can take. I know that a 3825 is rated to handle half of a DS3/T3. We are planning to put a 50Mbps point to point metro Ethernet circuit between two 3825's and run encryption over that line. I just want to make sure we don't max out the router as I remember once a customer maxed out a 3825 with a ton or GRE tunnels and the router crashed every time they did their nightly data dump.

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Cisco WAN :: Can't Put A Second HWIC-4ESW In A 3825 Router And Don't Work

Aug 4, 2012

I put a second HWIC-4ES in a 3825 router and it does not work, only work the first card that is inserted, I use the slot 0 for it, the 0/0 and 1/0 work with serial card only if I put the HWIC-4ESW in this slots the router does not work, only work in 0/2 and 0/3 but only one, I need to know if there is a command to active it because the data sheet in CISCO indicate that this model of router support 2 HWIC-4ESW. url...

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Cisco Switching/Routing :: CF Error On 3825 Router

Jan 22, 2013

After formatting the CF, the router is able to see the flash without a problem. I copied files to the flash - still able to see the contents okay. The problem ia that if i restart the router with the new flash, i get this error:
 
Jan 22 17:44:12.454 MSK: %SYS-5-CONFIG_I: Configured from console by bt_admin on
vty0 (10.10.10.44)
Jan 22 17:45:41.847 MSK: %SYS-5-RELOAD: Reload requested  by bt_admin on vty0 (1
0.10.10.44). Reload Reason: Reload Command.
System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
Technical Support: [URL]

[code].....

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Cisco WAN :: 3825 Confirm Image Size For Router

Jun 12, 2011

imagine IOS image required size lists:DRAM 256 / 64 Flash
 
Then show ver on my router 3825 lists the below. Technically speaking the below should have the 64M flash required right? Why again it shows as 62592K and not 64000K?

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Cisco WAN :: Install VWIC2 Card Into 3825 Router

May 29, 2011

We have a cisco 3825 router with OS version 12.4 and one VWIC2-2MFT-T1/E1 card at Slot 0. Now I have to add one more card of the same type in the router.
 
I need to know the steps or process to add the the 2nd card in the router.

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Cisco WAN :: 3825 Router Interface Does Not Pass Traffic

Mar 7, 2012

we have a Cisco 3825 router which does not work well with a DSL  modem(ISP provided). I have configured the Gi0/0 port of the router to  plug into this DSL modem but it does not ping to the ISP gateway. If we  do a shut/no shut on the interface then it work fine for about 30 secs.  Sometimes even for 1 hr. Then the packets drop and we cannot pass any  traffic through this interface.
 
Now, if the ISP connection is terminated on a computer it works fine. It works fine without dropping any packet.I  have tried various options like using a straight/cross cable. I have  tried to configure the interface negotiation for 100/full, 100/half,  auto/auto and almost all the options.I have also tried to interconnect the devices using a L2 device like a HUB. Nothing works.

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Cisco WAN :: 3825 Router Has Necessary Hardware Requirements For New Version Of IOS

Apr 4, 2011

I am trying to copy a new IOS image to a 3825 router.   I have verified that there is significantly more free space in flash than is needed to accommodate the image (83 MB free, new IOS is 34 MB).  I have also verified that the router has the necessary hardware requirements for the new version of IOS, though it is a moot point with this issue.  When I try to copy the image from either TFTPd32 or the Solarwinds TFTP server,the copy gets to about 97% and then shows a mixture of timeouts and out-of-sequence packets (.'s and o's) before telling me the copy job timed out.  I have tried bumping both the "timeout" and "max retransmit" on TFTPd32 to 2-3 times their defaults, but it made no difference.  The router and my laptop are connected to the same 3550.  I have also tried two FTP servers but all I get is "Protocol error" on the router when I try to use either.  I see the following in the TFTP debugs: [code]

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Cisco WAN :: 3825 Bring Up Dialer If ISP Interface On Mated Router Goes Down?

Dec 6, 2012

I have two 3825's. Each has it's own ISP connection. Nat is configued for both. They have an ethernet connection between them and I'm running OSPF between the two so the routes propogate. I have qty 11 Dialer interfaces configured on each router (each router has an exact copy of the other routers dialer interface). However, I only want the Dialers up if the ISP connection on the mated router goes down. Much like HSRP I need one to preempt and be active if both ISP connections are up. When one goes down the other Dialers must come up. Each dialer sends a Dynamic DNS host name and IP address pair to DynDNS.org. So I cannot have both up otherwise the DNS names will bounce between ISP#1's IP address and ISP#2's IP address (back and forth). Let me know if any option exists to make this happen. As an aside the ISP's are providing me DHCP addresses so I cannot work off of an IP, it has to be the physical interface (i.e. Gi0/0).

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Cisco WAN :: ASA5505 And Router 3825 - Double NAT With Port Forward?

Apr 26, 2013

This is my Cisco LAB environment used for study but also in production for daily use. I am trying to setup a double-NAT network with just one IP from my ISP through the ASA & 3825 going to (2) end nodes and multiple ports for port forwarding. It is currently working but only as simple PAT and I cannot initiate FTP from the outside. removing the router, but this is my study LAB and it's a bit unconventional for learning purposes. I attached the diagram and need parts of the config.

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Cisco VPN :: ASA And 3825 Router - Establish Connection With Interface (security Level Of 90)

Apr 15, 2013

I am trying to configure site to site vpn between Cisco ASA and Cisco router 3825, I need to establish the vpn connection with an interface that has security level of 90.I followed the procedure shown in the following link: URL.

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Cisco Switching/Routing :: 3825 Router - Netflow Isn't Working With WhatsUpGold

Apr 17, 2012

I have a router cisco 3825, it is configured with netflow for monitoring traffic with WhatsUpGold, but I can't monitor this router I don't know what is the problem.Device: Router Cisco 3825 IOS: C3825-ADVENTERPRISEK9-M 12.4. [code]
 
I have a switch4500 12.2 and a router 2801 IOS 15.1 and this device work well with the WhatsUp but these devices have the same configuration.I see diferents ouputs when I use show ip flow export, this output is for a router that work well with WhatsUp. [code]

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Cisco Firewall :: 3825 - ASA 5510 And Edge Router Not Altering SIP Packets

Oct 2, 2012

My SIP provider is not convinced that my ASA  and Edge Router is not altering the SIP packets.  On the ASA I've removed the inspect SIP, and H323, what else needs to be done to make the firewall not mess with the SIP Traffic.
 
Packets are flowing in/out. 
 
access-list hbg-outside-198_access_in extended permit udp host <SIP HOST> object sfipoffice_o eq sip
access-list hbg-outside-198_access_in extended permit udp any object hbgipoffice_o gt 49152
access-list hbg-outside-198_access_in extended permit udp any object hbgipoffice_o lt 53246
  
Here are my Policy Maps.
 
policy-map type inspect dns preset_dns_map
parameters
  message-length maximum 512
policy-map type inspect dns migrated_dns_map_1
parameters
  message-length maximum client auto

[code]...

On the 3825 Its jsut a pretty simple config that jsut routes packets form one interface to another, all Public Addresses, so no NAT on it.

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Cisco Switching/Routing :: 3825 Router - Redundant Power System Is Not Present

Apr 10, 2013

I have a peculiar issue with a router whering I get the message in the Show Environment as below.
 
sh environment out
Redundant Power System is not present.
 
SYS PS1 is present.
    Type: AC
 
AUX(-48V) PS1 is absent.
 
Fan  1 OK
Fan  2 OK
Fan  3 OK
 
Fan Speed Setting: Normal
 
Alert settings:
Intake temperature warning: Enabled, Threshold: 55
Core temperature warning: Enabled, Threshold: 70 (CPU: 95)
 
Board Temperature: Normal
Internal-ambient temperature = 22, Normal
CPU temperature = 37, Normal
Intake temperature = 22, Normal
 
Voltage 1(3300) is Normal, Current voltage = 3300 mV
Voltage 2(5150) is Normal, Current voltage = 5210 mV
Voltage 3(2500) is High/Low, Current voltage = 2168 mV
[Code]...

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Cisco WAN :: 3825 Installed DSU / CSU Part Number HWIC-1DSU-T1 In Router / Doesn't Recognize

Apr 18, 2011

I have a 3825 router running 12.4t IOS.  I installed DSU/CSU part number HWIC-1DSU-T1 in the router and it does not recognize it.  Is this the right card for this router?  Is there anything I can look at to determine the issue?  I think the router only has 32M RAM.  Below is a show hardware. Card is still currently installed.

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Cisco Switching/Routing :: 3825 ISR - Traffic Route From Switch Port To Router Port

Jun 5, 2013

I'm fairly new to Cisco products am in the process of developing my network knowledge on a deeper level.  I have a 3825 with a HWIC-4ESW and I'm struggling to fully understand how the two "see" each other.  I've setup a V LAN with a layer 3 address on the HWIC and added the switch ports to it.  This seemed to allow devices connected to the switch ports to talk to the built-in router ports.  I thought this was all making sense until i applied an access-list to the router port.  It's a simple ACL i'm just using for testing and the only thing it does is blocks telnet from anywhere.  I know the ACL is setup properly because if I connect a device directly to the router port i cannot telnet to the port.  However, if i connect a device to one of the switch ports, i am able to telnet to the router port successfully. 

It seems that I'm missing something with how traffic flows from the switch port to the router ports and how the two "see" each other. 

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Cisco Firewall :: ASA 5505 / Use The Ethernet Ports As Pure Physical Layer 3 Ports

Jun 9, 2013

We have an ASA 5505. 5505 comes with two default vlans 1&2 with each of them marked as inside & outside respectively.My query is , if i do not want to use vlans on 5505 and only want to use the Ethernet ports as pure physical layer 3 ports, is it possible?i.e. i want to assign a layer 3 ip address on eth0/0 and eth0/1 and make them as the inside & outside interfaces rather than vlans. is it possible to do away with vlans in 5505 & will it work otherwise?

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Cisco Firewall :: ASA5555-X - Spare Ports Into Access Ports?

May 14, 2013

Is there a way to associate spare firewall ports with another port that is being used..For example...int gi 0/2 is being used currently for my web dmz. Its ip is 192.168.10.1..Is there a way for me to associate gi 0/3 with the same layer 2 as gi 0/2 ?
 
In my webdmz I use 2 ACE 4710 proxys in FT mode. I used a layer 2 switch to connect firewall and proxys together.
 
I would like to eliminate this switch if possible..and connect both 4710's (layer 2) direct to firewall.If I could make gi0/2 - 4 part of the same vlan, then I would be good to go.

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Cisco :: Changing Link Ports To Access Ports In LMS 4.1?

Feb 2, 2012

One of techs accidentally connected two access ports from different switches together.  Since then, LMS is alerting them as being Link ports down.  I tried to default the config and set them to access ports without any success.  what I should do in LMS to recognize them as access ports? 

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Cisco 3825 Killing The CPU

Mar 6, 2012

The process is IP Input and I'm not really sure how to troubleshoot it. I've read through all the doc's on high cpu load if I shutdown the port that feeds that network, CPU drops to around 30%, bring it back up and it jumps up to 90%+. I've got a policy map on the interface shaping the traffic
[code]...

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Cisco WAN :: 3825 Upgrade To 12.4(24).t6?

Sep 19, 2011

I am trying to upgrade the IOS on cisco 3825 from 124-9.T1.bin to 124.24.t6.bin, after I upload the configuration to the CF  and verify the file, everything appears fine but when I try to load the new image it fails with following error and falls back to old image :- 
 
System Bootstrap, version 12.3(11r)T2, RELEASE SOFTWARE (fc1)

Readonly ROMMON intializedboot: cannot open "flash:"
an alternate boot helper program is not specified
(monitor variable "BOOTLDR" is not set)
and unable to determine first file in bootflash
loadprog: error - on file open
boot: cannot load "c3825-advsecurityk9-mz.124-24.T6.bin"
 
Then after few minutes it boot to the Old 12(4).9 ios again.

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Cisco WAN :: Upgrading 3825 ISR From 12.4 To 15?

Apr 10, 2011

What are the prerequisites before doing this?  I have to upgrade a router this Wednesday evening if there is an opportunity to move it to a code that is more current that the one the client is currently running which is 12.4(25b).  I see on the Cisco Support site that after this code, everything moves to 15.

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Cisco :: Rate Limiting On 3825?

Feb 24, 2011

I have a 3825 with a 16 port etherswitch card installed that I'm trying to setup rate-limits on. Interface G0/0 is the connection to the outside world and int g0/1 has a couple of 2950 switches attached to it.

The etherswitch card, f1/0, f1,1 etc has corresponding vlans, 902, 903 etc each with an IP 10.110.1.x, 10.110.2.x and all part of access-group 111. The switches connect on sub-interfaces g0/1.101, g0/1.102 etc and have IP's 10.55.1.x, 10.55.2.x and part of access-group 101.

What i'm trying to achieve is that every port / IP that is on access-group 111 shares 3Mb of bandwidth in/out and access-group 101 shares a separate 3Mb of bandwidth in/out.

I've created two access-lists as follows;

access-list 101 permit ip 10.55.0.0 0.0.255.255 any
access-list 111 permit ip 10.110.0.0 0.0.255.255 any

And on int g0/0 I've created the following rate-limits;

rate-limit input access-group 101 3072000 64000 64000 conform-action transmit exceed-action drop
rate-limit input access-group 111 3072000 64000 64000 conform-action transmit exceed-action drop
rate-limit output access-group 101 3072000 64000 64000 conform-action transmit exceed-action drop
rate-limit output access-group 111 3072000 64000 64000 conform-action transmit exceed-action drop

Now instead of both access-groups having 3Mb each they all seem to be sharing 3Mb! I've tried class-maps and policy-maps but to no avail..

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Cisco EPC-3825 / WAN Conflicts With LAN Subnet?

Nov 11, 2011

LAN subnet conflicts with WAN subnet. My router is d-link 825 and my cable modem is Cisco EPC-3825. Op system is W7. Everything worked great with an older cable modem (Cisco 3000).

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Cisco WAN :: How Many IP Routes Does 3825 Support

Jan 23, 2011

I want to know the number of routes supported by CISCO3825-HSEC/K9(512MB DRAM).

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Cisco WAN :: Anti Spoofing With 3825

May 5, 2011

Is there any way  to configure 3825 to ensure that all packets have a source IP address  that matches the correct source interface (similar to ASA's 'ip verify reverse-path interface')? Currently, we manage anti spoofing with a bunch of ACLs, however I'm looking for a more manageable solution.

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Cisco WAN :: Downloading 3825 Security IOS

May 16, 2011

am downloading 3825 security IOS there are two IOS of advance security, am confused what’s the difference in both Advance Security Image
 
ADVANCED SECURITYc3825-advsecurityk9-mz.124-15.T7.bin.ASK9-ASK9 FEAT SET FACTORY UPG FOR BUNDLESc3825-advsecurityk9-mz.124-15.T7.bin

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Cisco WAN :: 3825 - Slow CIFS Over WAN

Jul 4, 2012

This is a multi site network. Site A has a Cisco 3825 router and connects to 3 other sites over ISP A and 2 other sites over ISP B. Both ISP A & B provide a layer 2 full mesh network. ISP A provides a 100mb pipe while ISP B provides a 20mb pipe.
 
File transfers (Windows - CIFS) over ISP A's fiber are fast enough and throughput is good. However, file transfers (Windows - CIFS) over ISP B's fiber are slow, even though latency is good. On the 100MB ISP A pipe, file transfer speeds up to 6 M Bps are achieved. On the ISP B 20MB pipe, speeds up to 300KBps are seen for file transfers.
 
ISP A connects to an on board gig port on the 3825. ISP B connects to a fast ethernet port on an HWIC-2FE card on the same 3825. Both ports then connect to ISP Switches and then full meshed to remote site Cisco routers. What could be the issue? Why am I facing these issues only with ISP B even though the configs for ISP A and ISP B are the same?

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