Cisco WAN :: Fail Over Configuration On 2801 Router
Jan 27, 2013
I have to configure failover on both router. if one get fail then the other router should be dial.Physical connection
•1. Two routers (Cisco 2801) are connecting with splitter through RJ 11 port.
•2.Only one ISP link is coming in splitter.
Requirement: As per as customer requirement. He wants redundancy with in both 2 routers. If one goes down then the other router come up. And same configuration on 2801_R2 router. I am planing to do HSRP on our lan network (2801R1,2801R2 ehternet interface which connected to switch). from switch i will create two default route with (next hope) virtual ip address.
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Sep 2, 2012
I have HQ and Branch router
HQ = 2811
Branch = 2801
Connection type Freme-relay between HQ and Branch
CDP enable on interface
The Branch router show in UNCONNECTED DEVICE VIEW of Topology
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Feb 11, 2013
Im using a 2801 router with a nat configuration.
The issue im having is the nat seems to be allowing only one machine at a time through the nat.
the range i am testing is 192.168.243.0
The firmware is c2801-spservicesk9-m
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
[Code].....
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Feb 2, 2012
Cisco 891 configuration Details: [code] I could connect to the Giga bite thernet wan, based on above configuration.When I test on FastEthernet8 for the secondary ISP connection it will not go through the internet.
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Feb 29, 2012
I have been having an annoying issue for the past few weeks with my ASA setup. We are using the ASA as our Remote Access Gateway and originally had it setup in a Active/Standby failover configuration using 2 x 5520 ASA's.The original setup of the devices was that the 2 x ASA were setup in a failover configuration, with both of them connecting back to the internal network via a 6500 device. Because of using failover I created a VLAN on the 6500 and put the two ports that connect the ASA's into that VLAN. I then configured the VLAN interface to be the EIGRP interface for the neighbour relationship to the ASA's.
The problem I am seeing is that the EIGRP neighbour relationship between the Active ASA and the 6500 keeps flapping. It occurs abour 4-5 times every day at randmon intervals. Sometimes the neighbour relationship will stay up for 6-7 hours, other times it flaps every 1-2 hours. I initially thought it was due to the failover configuration so I removed one of the ASA's and removed all of the failover configuration, but the EIGRP neighbour flapping problem still exisits. [code] Since removing the failvoer configuration I am thinking it could be a physical cable problem?
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Oct 19, 2012
I have 1 2611xm router and 1 2801 router. For my own lab purpose, i want to configure them back to back to support voice services. I don't know what configuration will be required at each end. in 2611xm, i have NM-2V and its also detecting the card, so i hope it will work ? also what commands i need to run on both ends .
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Feb 22, 2012
We have two Cisco 2960 TT-L switches. I'd like to reduce single points of failure and have dual servers for most tasks. For example, two firewall servers and two web servers. Should one server fail the other will act as a failover.I'd like to extend the redundancy to the switches, and am thinking of connecting one web server to one switch, and one to the other. In the event a switch failed a set of servers would still run, and be able to talk to each other.I'd like to run two VLANs, one for the LAN, and one of the WAN, and connect the two VLANs on each of the switches with the associated VLAN on the other switch.
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Dec 27, 2012
We have a customer who has a network consisting of two ISPs, one as a primary and the other as a backup. We are trying to create a configuration that would allow the primary link to fail and the secondary link to automatically pick up traffic and begin routing .how to set something like this up. Both routers are non Cisco routers and there for HSRP is out.
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Jul 23, 2007
I looked but could not find any information on what's the use of the USB interface on my 2801 router. I saw something about Cisco USB memory module and eToken by Aladdin. Is this interface restricted to Cisco and Aladdin only?
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Aug 4, 2011
I have a Cisco RV110W small business router setup at my home. It has one of those HTML GUI interfaces, check the boxes, etc.., to get things working. Basically, your typical home router with VPN. I have enabled the VPN, it's PPTP, added the password, and now it's automagically configured! I can successfully VPN to my home with a Windows7 client. Here's my problem, I now need to VPN into my home router with a 2801. Is this possible? Everything I found on the subject has only been to setup a Cisco IOS router as a VPN server or tunneling to another IOS router. No examples using an IOS based router as the client.
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May 29, 2012
We have one Router Cisco 2801 at the customer site and facing issue of having very High CPU coming to 99%.CPU utilization for five seconds: 99%/28%; one minute: 99%; five minutes: 98%
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May 31, 2011
I'm having trouble setting up a Cisco 2801 as an internet router between our firewall & our ISP.I've setup FastEthernet0/0 as the WAN port & FastEthernet0/1 as the LAN port. I've setup a default gateway pointing the next hop (the ISP),when I plug in a pair of laptops configured to mimic our IP scheme, I'm able to ping thru, but when I put the router between our firewall & ISP I'm not able to get out to the internet (can't ping google) I can still ping the next hop.,Our old router died, so I am unable to pull up its configuration. Here is the code I'm come up with so far.
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Dec 26, 2012
I need some clarification if it is possible to do an IPL connection between Cisco 2801 (T1) to Cisco 1841 (E1) via Ethernet (2801) to Serial (1841).
I am unable to find any documentation about this and I need to connect our network to an offshore network.
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Mar 7, 2011
I have a 2801 router with a HWIC-3G-cdma card that I have inherited from a predicessor. How to use a cellular card on a router and need to get this thing up and running. Any example config that I can see or point me in the right dorection to get this up and running? I have the cellular card set up as Cellular0/1/0 on the interface, I assume that that was done by default, and it has an IP address. The Static Route of 0.0.0.0 0.0.0.0 Cellular0/1/0, in the config with only 2 other interfaces as being direct connection. But that is as far as I recognize. Do I need to set up a router protocol? Which one? How do I use the cellular card? Do I need to have an ISP connection?
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Mar 20, 2012
I have just received Time Warner Cable and get 16Mbps down from them directly through their modem (motorola DOCSIS 2.0 modem- SB5101) to my PC (using speedtest.net). When I then connect TWC's modem through my 2801 router on fa0/0, the download rate I get is considerably slower (on the order of 3-4Mbps via same testing method). What am I missing?
Here is how the passthrough interface is setup:
interface FastEthernet0/0
bandwidth receive inherit
ip address dhcp
ip nat outside
ip virtual-reassembly in
duplex auto
speed auto
I have attempted removing bandwidth command - nothing changed with it not there. I have also hard coded the speed and duplex to 100/full to no avail....
Other possible relevant configs:
ip nat inside source list 1 interface FastEthernet0/0 overload
ip route 0.0.0.0 0.0.0.0 dhcp
access-list 1 permit 192.168.1.0 0.0.0.255
Basically this things is wide open... for testing but the download speed differential is perplexing to me.
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Dec 26, 2012
I need some clarification if it is possible to do an IPL connection between Cisco 2801 (T1) to Cisco 1841 (E1) via Ethernet (2801) to Serial (1841).
I am unable to find any documentation about this and I need to connect our network to our overseas office.
Our side uses the 1841 router and our provider has set-up our E1 connection to be via Serial interface while on our overseas office uses the 2801 and will connect via the T1 card, which by the way does not have any serial interface ports just ethernets.
So far checking on how to configure this, I am unsure on how the connection will happen since the info that I got is that T1 does not have the option to hold an IP address (also unsure on this though). With this in mind and that the 2801 does not have serial interfaces, does that mean that IPL connection would be via the available Ethernet ports?
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Apr 9, 2013
I want to block access of some clients from the vlan1 to acces internet blocking their MAC address. How can i do this?
I have tring this way:
access-list 700 deny mac address 0000.0000.0000
access-list 700 permit 0000.0000.0000 ffff.ffff.ffff
int fa00
bridge-group 1 {input-address-list 700 output-address-list 700}
but it's not working .
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May 10, 2011
I have 5 routers. Four routers are: c2801-IPBASEK9-m v 12.4(24)T2. One router is a C2800-IPBASEK9-M v 12.4(24)T3. so, it appears that the IOS on all 5 routers is very similar, the only difference is the T3 at the end of the version and that 4 are 2801s and one is a 2800. What is very wierd is the 4 2801 have the embedded scripting language "tclsh". The 2800 does not have tclsh. If I issue the command: tclsh on the 2800, I get:
Center-GW#tclshTranslating "tclsh"
% Bad IP address or host name% Unknown command or computer name, or unable to find computer addressCenter-GW#
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Apr 12, 2011
I have problems with the Router 2801.When i give the command show processes cpu, the command show me that the router is working in 98%.
I have vlans like voice vlan and others, I have one 20 Mb Wan Link and I redirect all traffic from my lan to this link and when i browse in internet or i do downloads the router goes to 98%, when i don't make it the router processes goes down.
I thought be problem with hardware, but i exchange to another router and the same problem happened.Before this situation, I had one link with 12 Mb and nothing happened, when i exchange this to the 20 mb link the problems starting.
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Feb 7, 2012
I have one problem doing a ping to a router lan interface, I have 3 routers (2801) connected between each other (separated 1 mile each), the link is established trough microwave signals (connected to the 2801 fast ethernet interfaces), every router has a connection to a LAN. One of them is located at headquarters.Last thursday I replace one of the router with a cisco 2901, i configure the router with the same configuration that was on the 2801, i power up the router and the 2 link were up without problems.One day after the noc called me to tell me that after i replace the router they can't ping the router IP lan interface on the new 2901 (before the replacement the ping was sucessful). I called one user the lan connected to that 2901, and they can do a ping to the router's LAN IP address.
I can ping the 2901 IP wan interfaces, I can ping the LAN users ip address, but i cannot ping the router LAN IP address, from my desktop, and neither the 2 routers 2801 connected to the 2901.I show the configuration on the 2901, I couldn't change it because i didn't have time to do that, but i'll change the configuration to use ipsec tunnels.The configuration as you can see, has a crypto map, but the acl used by the crypto map, only permits the interfaces ip address, so i think that doesn't work, so the traffic doesn't get encrypted, but i don't know if that is the problem why i can't do a ping to the lan interface. [code]
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Feb 28, 2012
I'm using for a company network a 2801 Cisco Router. This router has 2 FastEthernet Interfaces connected on 2 ISP's and one VLAN for internal users. What acl should i use if for example one client from the lan is using a torrent client to download from the internet. I want just to specify a maximum download speed or to block that client to access the internet when it's trying to download something that can affect other clients from the LAN.
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May 3, 2011
I have problems with router 2801, the version is
Cisco IOS Software, 2801 Software (C2801-ADVENTERPRISEK9-M), Version 12.4(24)T4, RELEASE SOFTWARE (fc2)
When i start a download the processes of the router cpu stay in 99%/97%. When i'm not doing a download the processes stay in 3%/0%. I have one 20 mb link to Wan.
I did the troubleshooting seeing the this document :
[URL]
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Jun 18, 2012
The HWIC-2CE1T1-PRI card isn't supported on a CISCO2801 router
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Feb 9, 2012
The goal is to add a 2801 router between a DSL modem and a switch and obviously still access the internet. I connected and configured as explained below and the results are:
- I am able to ping internet addresses from the 2801 router
- I am not able to ping internet addresses from userlaptop but I am able to ping LAN gateway (192.168.254.254)
I cannot understand why the internet requests from the user laptopuser are not routed to the internet but the router itself can access the internet.
INTERNET====DSLmodem=====CISCO2801=====unmanagedSwitch=====userlaptop
DSLmodem:
non-bridged mode and does the PPPOe authentication.
WAN interface: Dynamic IP address assigned by ISP
[Code].....
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Feb 21, 2012
simple configuration of a 2801 Router. I have 2 internet providers with static ip's connected to F0/0 and F0/1 and one Vlan for LAN area. I would like to configure the router to use one primary line and just in case to use the back-up line. [code]
Now if detects that it hasn't cable link on the FastEthernet interfaces it's working. I'm using 2 wireless gateways to acces the internet each one connected on the 2 FaEth for simulating the providers. If i simulate an issue on the provider ( i've removed the sim from the wireless gateway) it doesn't pass on the second isp.I haved trying to configure with "IP Service Level Agreements " for failover / load balancing but the command "ip sla" is incomplete. I can't make an update of the IOS because the customer do not have an Service Contract with Cisco.
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Mar 29, 2011
I have setup an eBGP session to a Cisco 2801 CE router. The BGP session establish, however, the session keeps resetting after 90 sec which is the BGP keepalive holdtime value.
On the PE router I found that the OutQ doesn't clear = 22 when doing a "sh ip bgp x.x.x.x summary" - Session reset at 1:30.When I filter the amount of routes advertized to the CE neighbor with the "neighbor x.x.x.x prefix-list out" - I see the OutQ clear = 0 and the BGP session remains up.
-Number of NRLI advertized without prefix filter = 172
-Number of NLRI after filter = 52
why the OutQ doesn't clear.
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Nov 17, 2011
We have a cisco 2801 router in class which has a disabled password recovery. We tried almost everything, we cannot get into ROMmon and the break sequence doesn't work in any program (hyper terminal, putty, teraterm pro).
Here is the log from hyperterminal:
System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)Technical Support: [URL].Copyright (c) 2004 by cisco Systems, Inc.PLD version 0x10GIO ASIC version 0x127c2801 processor with 131072 Kbytes of main memoryMain memory is configured to 64 bit mode with parity disabledReadonly ROMMON initializedPASSWORD RECOVERY FUNCTIONALITY IS DISABLEDprogram load complete, entry point: 0x8000f000, size: 0xc100Initializing ATA monitor library.......program load complete, entry point: 0x8000f000, size: 0xc100Initializing ATA monitor library.......program load complete, entry point: 0x8000f000, size: 0xd49718Self decompressing the image :
[code].....
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May 7, 2013
I have a 2801 router that I am replacing with a 2911. I know the ports on the 2911 are Gigabits and the 2801 are Fe. I read where the IOS would not support backup and restore on each other . I am attaching a show ver on both routers. I need to know if backup and restore would work and or what other changes would need to get done.
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Jul 6, 2012
I was just recently hired in my company, we have an sf300-24p switch but I cant find the console cable for it, I think it needs a female to female db9 serial cable, all I have is a DB9 serial to rj45 console cable for the 2801 router, also I cant find the IP address of the sf300 switch, it is directly connected to the 2801 router, I issued a show arp to the router but didnt find the switch's IP add for web access, to sum it up I have no way of configuring the switch, is there any way to find the IP address of the switch? It also dosnt show on show cdp neighbors?
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Oct 16, 2012
We have recently implemented some QoS on our routers and i have noticed that the CPU usage has risen enormously as a result.
I checked the CPU Processes and found that the avg values are 50% usage. This seems rather high considering that only 75% of our edge routers have this feature enabled.
Our main router is a Cisco CISCO2911/K9 (revision 1.0) with 487424K/36864K bytes of memory. Our edge routers are either 2801 models or 881 models.
This is our first implementation of QoS and would like to ensure that it is working properly before implementing other QoS rules. Here is a copy of the config on the 2911 router:
class-map match-all Citrix
match protocol citrix
class-map match-all Print
match protocol printer
class-map match-all C-Coolingata
[ code]......
Here is the config on our edge routers:
class-map match-any Citrix
match access-group name Citrix-ACL
[code]....
As you can see we have different link speeds at different sites based on their size, location etc. How to be able to confirm that this config is correct?
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Jul 3, 2011
Currently we have a cisco router 2801 for Wireless Internet connection. And we are going to have another ISP that can provide us Fibre Optic internet connection rather than wireless.My question is that can we use this router for fibre optic internet connection? how do we go about this? what is the maximum bandwidth that the router can support?
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Mar 12, 2013
I am trying to install Radius server for a cisco 2801 router. I am not able to configure it properly.
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Jun 19, 2012
We have a Cisco 2801 router running IOS "c2801-spservicesk9-mz.151-4.M4.bin" which we upgraded from previous “c2801-spservicesk9-mz.124-3d.bin”.
Requirement.
We want to monitor the device temperature via snmp but unable to do because temperature ratings are not available on "show environment all" output like below.
Routeri# sh environment all Fan 1 OK Fan 2 OK ILP Power Supply - Absent Fan Speed Setting: Normal
Where as on Cisco 2811/51 & Cisco 3825/45 we can get temperature ratings on "show env all" output.
As per link [URL] below commands are supported on Cisco 2800 series router.
Command options
• show environment all
• show environment fans
• show environment leds
• show environment power-supply
• show environment table
• show environment temperatures
• show environment voltages
I want to know whether this is Cisco 2801 platform limitations or something else. tried to find Cisco doc on this but no luck.
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