Cisco WAN :: 3845 Fails To Route?
Dec 6, 2012
I have a 3845 that will not let me ping to the internet from my PC.On interface g0/0 I have a connection to a internet connection (another router), using DHCP to get it's address (it gives g0/0 IP 192.168.0.3).On interface g0/1, I have a connection to my LAN (I assign the interface IP 10.10.1.1).
I can ping the router. The router can ping the internet, do DNS resolution, etc.I have ensured routing is enabled. The only route I have configured is a default static route: 0.0.0.0 0.0.0.0 192.168.0.1.Oddly, if I choose 0.0.0.0 0.0.0.0 g0/0, I cannot ping sites on the internet from the router.
I tried setting up ip nat inside for my LAN and ip nat outside for the WAN/internet uplink, but this did not work.
This was the issue, I missed finishing the NAT setup.I can make the router ping out all day, and have my PCs ping the router, but getting the connection between the two is not working.
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Jan 16, 2008
I have this card installed onmy 3845 running version 12.4(18). But this card fails to show up.
here is what I found in a show tech.
WIC Slot 0:
Unknown WAN daughter card
WIC module not supported/disabled in this slot
Hardware Revision : 2.0
Top Assy. Part Number : 800-27738-02
Part Number : 73-10677-02
Board Revision : B0
Deviation Number : 0
Fab Version : 02
PCB Serial Number : FOC********
RMA Test History : 00
RMA Number : 0-0-0-0
RMA History : 00
Product (FRU) Number : HWIC-2FE
Version Identifier : V01
CLEI Code : COUIAFUCAA
Base MAC Address : 001a.6c70.260b
MAC Address block size : 2
Connector Type : 01
EEPROM format version 4
EEPROM contents (hex):(code)
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Apr 29, 2013
We have a 3845 router at one of our remote sites. We want to connect the router to our central office using the two gigabit ports. One link would be the primary and the other would be the secondary (backup).
The router is running EIGRP and the two ports would have different ip addresses. How can we set up the router to use gi0/0 as the primary port and gi0/1 as the secondary (backup) port? The backup port would only be used if there was congestion on the primary port or if the primary port went down. Is there a way to force the router to make the primary link the best route?
Remote Router Sample Config:!
int gi0/0
desc primary link to Central Office
ip addr 10.0.1.84 255.255.255.0
[code]....
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Nov 16, 2011
I have a 3845 router. Setup SSH Version 2generated rsa keys (1024)set login localtransport input ssh and telnet is enabled since I can't get ssh connection working When I connect using SSH, I get the following error. server refused authentication protocol.
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Feb 6, 2011
I m using ospf between HO and Branches for two links. branch router are 2811 and HO router 3845. when i enable ospf at branch i get all branch route like HO router and a default route. My requirement is each branch get only HO but no other branch. I have no default route.
I attached show ip route status for a branch router.. Why default route comes and why all branch's route come ?
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Feb 1, 2013
I am having this problem trying to connect to my university network trough the vpn client from a pc running Windows 7 Ultimate 64-bit: the client connects but I have no Internet access. I first believed that the problem was related to the fact that I had ZoneAlarm Free Antivirus+Firewall installed, but I made several steps, including the complete removal of the ZoneAlarm product, and I still have the same problem.
Here's what I see in the log:
Cisco Systems VPN Client Version 5.0.07.0290
Copyright (C) 1998-2010 Cisco Systems, Inc. All Rights Reserved.
Client Type(s): Windows, WinNT
Running on: 6.1.7601 Service Pack 1
[code]....
Using the same client (32 bit version) in another pc of my lan which runs Windows XP and that had never ZoneAlarm installed on it, I have no problems.Also, using Shrew Soft Vpn Client 2.1.7 on the problematic pc I can connect to vpn without problems, so I am really stuck trying to understand what's wrong with Cisco Vpn Client.
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Dec 30, 2011
Is it possible to re-route our Site 2 Site VPN over our Static Route (T1) if the WAN fails?
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Dec 10, 2012
Is there any physical or technical diferrences between PWR-3845 AC/2 and PWR-3845 AC? We are trying to order replacement parts and wondering if PWR-3845 AC is for one power supply and AC/2 means you get two with one order?
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Dec 7, 2012
Is there any physical or technical diferrences between PWR-3845 AC/2 and PWR-3845 AC? We are trying to order replacement parts and if PWR-3845 AC is for one power supply and AC/2 means you get two with one order.
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Jun 24, 2011
I've enabled antispoof on all interfaces on asa 5510.If you start a traceroute to a network on the default route, everything works, since replies comes to an interface with route 0.0.0.0/0 defined.If you start a tracer route to a network that is NOT on the default route (let's assume coporate MPLS), you only get response from first carrier router, the other are discarded because of anti spoof violation.
I have ICMP inspection and icmp-error inspection enabled.
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Mar 10, 2013
I have cisco 3845 on my network now its working fine.Now one of my client is asking to they want to connect their network through my router ethernet interface.
now my doubt is 3845 router will support two different gateways.
how can i route their network they have bring new router.
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Mar 7, 2013
I have 2 x Cisco 3845 each one with a DS3 circuit, both running c3845-spservicesk9-mz.124-15.T3. In each of them I have one pvc provided by my carrier and I received the following info to configure:
vc-class atm ATM
vbr-nrt 44096 44096 1
oam-pvc manage
oam retry 3 10 1
encapsulation aal5mux ip
That worked fine for the first one with the NM-ATM-DS3, however, using NM-1A-T3/E3, it seems that I'm restricted up to 40700 kbps PCR/SCR:
router(config-vc-class)#vbr-nrt ?
I tried to look for some reference but couldn't find... Is there a way I can have a full DS3 with this card?
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Jun 28, 2011
We have 3845 Router which is using for only Internet connectivity with one ISP(X) Customer has only one Vlan, Public AS number, and Public IP pool.Scenario:User--> L2Access-SW--> L3 (6500) SW--> Firewall (5520) --> IPS--> 3845Router.Now we have another ASR Router, which also has Internet connectivity from another ISP(Y).Now the issue is we would like to use both ISP in active/active scenario.
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Dec 31, 2011
I have two routers 3845 and HSRP is configured properly. Currently we are using default route to ISP and right now I want to use BGP as I have 3 Public pools and that's why I want to advertise in the public network. How I can configure that in my Router.
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Apr 21, 2013
I am replacing our core router, which is a very old 7204VXR, with a T3 card in it. We are using it to terminate about 10 point to point T1's. It is also the central gateway for our entire network.
I am planning on replacing it with a 3845, and an NM-1T3/E3 card for my DS3. I think I've got that part worked out.
My real question is concerning future upgrades. We are trying to convert many of these point to point connections to Metro Ethernet, and get rid of the huge DS3 cost. When that happens, I'll probably have a handful of point to point T1's left over (maybe 2-6 of them). So, what I need is a good solution to terminate those 2-6 PTP T1's in my 3845. In the past I have just been using the old WIC-1DSU-T1-V2 cards to terminate my T1's. I am looking for a solution that won't break the bank. I looked at both the HWIC-4T1/E1 and the NM-8CE1T1-PRI cards (which terminate 4 and 8 T1's), but they are like $4,500 and $8,500 respectively. That's way beyond my budget for these. I definitley don't need a card that will do PRI's (DSP's etc.). I just need it to terminate plain old point to point T1's.
So it may be that I'm just looking at the wrong cards. Or maybe the make cards that will go in the back of the 3845 that will house 2, 4 or more WIC slots, and I could just use WIC-1DSU-T1-V2 cards?
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May 6, 2013
I am upgrading from an old 7204VXR to a 3845. I am running a DS3 in the 7200, channelized into 28 point to point T1's. I need to break them all out into individual Serial interfaces on the new 3845, like I have on the 7200, but I don't know the correct commands.
[code]...
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Mar 24, 2011
I am installing Cisco blank CF upgrades (double the capacity of the CF that came with the router) in Cisco 3845 routers and I cannot get the IOS to load.
Network security requires tftp be disabled, so I am limited to xmodem. Slow, but it works. I know the IOS download is good, because I can load it on the CF that came with the router.
I can install, format and read the new flash. But the download locks up and bombs about 1/3 of the way through.
Note: CF that came with the router was "C" so I used the format flash: command. The new flash reads the same as the old, except that there is no file IOS loaded.
I've never had an issue upgrading an IOS, but this is my first shot at installing on a new CF.
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Apr 26, 2011
1841 & 3845 router. We send 30 GB data on 100 Mbps link. First time we use 3845 router for sending the data and 47 Min are required to complete the data, during this link utilization was 100%. After that we send same data through 1841 router & 46 Min are required for the same. Only difference in data transfer is CPU Utilization of 1841 router goes 30% & 5 % of 3845 router Can we use 1841 router instead of 3845 router ? .
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Apr 26, 2011
I have 3845 router where 200 branches are connect. Ho have database server where branch are synch interval period.some of days observation cpu load average 70 % and sometimes it reaches 100 %.yesterday when I give command clear arp then instant cpu load reduce and 20 % yesterday cpu load 12-20 %. Today morning when I give command Cpu proc history then I found cpu load 60 % and at night it was 3 times reaches 100 %. so my question is after clear arp command at least 10 hours cpu utilization 20 % but after that it increase.so for any LAN broadcast it happend ? how i understand cpu high for Broadcasting or anything else.
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Feb 6, 2012
I have a 3845 Router with three connected interfaces, one to my WAN, one to my LAN and another to my wifi zone. I want to limit the amount of WAN bandwidth the WIFI zone can take to say a max of one third and not restrict WAN bandwidth from the LAN at all.
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Aug 18, 2011
I have a router 3845 connected to a LAN and other routers and providing internet through a link on an ethernet interface
Gi0/0
LAN connection
GI0/1
WAN connection
fa0/0
Internet connection
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Nov 12, 2011
I received a syslog message on my cisco 3845 router, what is that message mean. 11 13:36:06.265 UTC: ASSERTION FAILED: file "../les/if_ng_dslsar_tx.c", line 385
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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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Jul 14, 2012
I am using cisco (C3845-ADVIPSERVICESK9-M), Version 12.4(11). some static nat is configured. Now i want to remove all nat and configure again? i am using router# clear ip nat translation * router (conf) # no ip nat ...... but no enty is beign delating. How to detate all nat or single nat?
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Jun 8, 2011
I am facing a issue on Cisco 3845 router, IOS is :c3845-adventerprisek9-mz.124-22.YB8.bin
I have changed the IOS as well as the Hardware but again the router is restarting. I have put the show tech-support and crash-info in Output interpreter, result is below:
ERROR MESSAGE NOTIFICATIONS (if any)
%PAR-1-FATAL (x): [chars]
Explanation: A parity error has occurred. The problem might be caused either
by a motherboard that has failed or motherboard settings that are incorrectly
set.
[Code].....
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Jan 6, 2011
Imagine on a 3845 router, I need to bond 2xDS1 circuits (for a Metro Private Line, point-to-point circuit). I have done that multiple times for NxT1s with MLPPP - OK.So my question is, is the card below and MLPPP valid for 2xDS1? I read all the product specification and it always mention "T1", but it does not officially say I can configure DS1.VWIC-2MFT-T1-DI#Two-port RJ-48 multiflex trunk - T1 with drop and insert
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Aug 16, 2011
Can i Use 1 single IOS in all 3845 Router?
I have S384AESK9-124xx (T) version IOS in one of my 3845 router, can i copy the IOS and install it in my 4 x 3845 Router as i require (T) Version IOS to support HWIC-2FE module.
Like wise, i have Cisco 1800 IOS- S184AESK9-124xx (T) and Cisco 2800 IOS- S28NAESK9-124xx (T) installed in my routers, will there be any issues if i copy and use the same IOS in all my respective devices?
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Dec 13, 2011
I have a 3845 that I am trying to configure but it won't save. It doesn't matter what i do (write mem, copy run start). No matter what, if I reload it, it wipes the config. Am I missing something, or is it just a bad memory? I don't get any errors when I save, it looks like it takes, but no dice.
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Aug 3, 2011
I am using 192.168.1.1 as database server in head office. my branch user are more than 500. all user hit at 192.168.1.1 for database. Now i want to NAT with application server 192.168.1.50 and 192.168.1.51 with load balance As some user hit 192.168.1.1 form branch but traffic go to 192.168.1.50 and some users traffic go to 192.168.1.51.
I want to do it in My core router (Cisco 3845) in Head office. How i do these two things ?
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Aug 28, 2012
We are running two Cisco 3845 routers, one at our central office and one at a remote site. We bonded two T1's together and it worked fine (link 1 and link 2). We now want to add two more T1's and bond the four together but can't seem to get it to work. The original T1's still work fine (link 1 and link 2) but the new ones do not (link 3 and link 4). Here is our config does it look right?
***CENTRAL OFFICE***
!card type t1 0 0card type t1 0 1card type t1 0 2card type t1 0 3card type t1 2 0card type t1 2 1!network-clock-participate slot 2 network-clock-participate wic 0 network-clock-participate wic 1 network-clock-participate wic 2 network-clock-participate wic 3 network-clock-select 1 T1 0/2/0network-clock-select 2 T1 0/2/1network-clock-select 3 T1 0/3/0network-clock-select 4 T1 0/0/0!controller T1 0/1/0clock source internalcablelength long 0dbchannel-group 1 timeslots 1-24!controller T1 0/1/1clock source internalcablelength long 0dbchannel-group 1 timeslots 1-24!controller T1 2/0!controller T1 2/0/0clock source internalcablelength long 0dbchannel-group 1 timeslots 1-24!controller T1 2/0/1clock source internalcablelength long 0dbchannel-group 1
[code]....
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Oct 31, 2011
how to see number of queues on particular port in 3845 router.
2 i want to apply qos mechanism on router for particular application suppose having ip 172.26.5.230 with dscp ip priority . this application access by 172.26.39.0/24 user at remote site . can any body tell me how to apply qos on class based that particular queue should carry dscp value defined traffic having defined percentage to queue.
3. how many packets per queue are supported and rate of forwarding of packets per second by ingress to egress in 3845 model by queue?
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Aug 29, 2011
I am switching to a single Ethernet hand-off from my ISP which currently gives me 4 T1 lines. I have a Cisco 3845 router that services the current T1s. My question is since my ISP is giving me just a single Ethernet hand-off going forward can I connect it directly to the internal NICs on the 3845 or do I have buy some other HWIC?
I will be running a 100Mbps connection over the hand-off and the NICs are Gigabit NICs. I will not be doing anything fancy over this, just simply a couple of routes in the routing table. No VPN, no fire walling, etc. The specs state that the 3845 is only for up to a T3 speeds but I am not sure if that is for the HWIC interfaces or for the whole thing in general?
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Oct 20, 2011
we have 3845 routers with internet service providers connected on it.we have configured router bgp 2.xxx as our AS. What is the concept behind router bgp 2.xxx with ISP ?
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