Cisco VPN :: 2801 VPN IPSEC Is Restarted
Oct 14, 2012
I have a Cisco 2801 with flash: c2801-advipservicesk9-mz.124-16.bin where I use to doing VPN IPSEC.My problem is where I do a connection with a client, if my VPN dont have a traffic, the tunnel are closed. If a receive or send any traffic, the tunnel get up again.If don't have traffic, this tunnel is closed and after is opened other tunnel where is changed the conn-id to 999 for example.This comportament is normal? Exist a form that my tunnel never close? I enabled the parameters below: [code] But the tunnel continues closing if a don't have traffic.
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Mar 21, 2012
We are setting up a new VPN from an ASA to a cisco 2801 router (behind a third parties checkpoint firewall). We seem to be almost there with the setup but the tunnel is not working correctly. I have included a debug from the 2801 router and its config and a diagram of the setup. [code]
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Feb 14, 2011
I'm trying to gather netflow data over an IPSEC VPN and through my research I've learned that I need to configure Flexible Netflow. However, I have a Cisco 2801 router with the latest ROMMON and IOS and the Flexible Netflow options aren't available.
For instance:
flow exporter dwtmonitor
destination 10.0.16.172
source Loopback0
transport udp 2055
output-features
When I type "flow exporter <name>" it only allows me to enter "flow <name>" and there's no "destination" options or anything else.
ROMMON: 12.4(13r)TIOS: 12.4(25d)
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Jan 12, 2013
I have an issue where I can get traffic to pass from HDQ to two branch offices over our ipsec/gre tunnels even though the tunnels appear to be UP. The HDQ is a 2811, branch is a home office using an 871W and branch runs a 2801 router. I initially had HDQ working fine with the 871W but when I configured branch2 (2801), they both broke. The tunnels appear to be up but traffic is not routing across them. The two 2801 routers run 12.4 (c2800nm-adventerprisek9-mz.124-24.T2.bin). These are gre over ipsec tunnels. Currently traffic flows over an exsting MPLS network that we are getting away from due to cost. As soon as I change the routes to point to the Tunnels, it breaks. Traffic doesn't appear to pass through the tunnel. I have attached my sanitized configs.
HDQ#sh crypto sessCrypto session current status
Interface: FastEthernet0/1Session status: UP-ACTIVEPeer: 205.205.205.21 port 500 IKE SA: local 204.204.204.66/500 remote 205.205.205.21/500 Active IPSEC FLOW: permit 47 0.0.0.0/0.0.0.0 0.0.0.0/0.0.0.0 Active SAs: 4, origin: crypto map IPSEC FLOW:
[Code]....
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Mar 31, 2011
i'm triyng to establish a vpn ipsec tunnel between my cisco2801 and a cyberoam equipment, at the end point.Debugging isakmp, i have this output, where xxx.xxx.xxx.xxx is the remote peer address, and yyy.yyy.yyy.yyy is mine.What can i try?
Apr 1 14:48:12.542: ISAKMP:(0): SA request profile is (NULL)Apr 1 14:48:12.542: ISAKMP: Created a peer struct for xxx.xxx.xxx.xxx, peer port 500Apr 1 14:48:12.542: ISAKMP: New peer created peer = 0x661C2D4C peer_handle = 0x80000003Apr 1 14:48:12.542: ISAKMP: Locking peer struct 0x661C2D4C, refcount 1 for isakmp_initiatorApr 1 14:48:12.542: ISAKMP: local port 500, remote port 500Apr 1 14:48:12.542: ISAKMP: set new node 0 to QM_IDLE Apr 1 14:48:12.542: insert sa successfully sa = 66DF4F5CApr 1 14:48:12.542: ISAKMP:(0):Can not start Aggressive mode, trying Main mode.Apr 1 14:48:12.542: ISAKMP:(0):found peer pre-shared key matching xxx.xxx.xxx.xxxApr 1 14:48:12.542: ISAKMP:(0): constructed NAT-T vendor-07 IDApr
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Apr 20, 2012
My CORE Switch 4507R Suddenly restarted (Powe is good) , and gets the business down for 30 Mts,my boss came to me and asks why it has restarted , what is the root cause of this restart, i dont have any syslog or NMS enabled in my network to be informed
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Feb 8, 2011
I've got a Belkin N+ Wireless router. Every day or two, all internet connections fail. If I pull the power plug on the router to restart it, all connections come back up as normal.
Is there something I can pinpoint that is causing this? Is the router getting "overloaded" or something? I didn't see anything in the router settings that I could tell would be related to this. Really getting tired of having to constantly manually restart this thing...
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Oct 26, 2011
I was just at a "customer's" house doing some virus removals and what not. After I was done he asked me if I would network his printer to his 3 pc's throughout the house. 2 of the computers worked fine with the printer, but the one laptop (HP dv9000 running Vista 64 bit) wouldn't print unless I restarted it. I could click print, the job would go to the print queue, but that's it. It'd just stay there until I shut down the laptop and restarted it. Soon as vista would boot back up the job would automatically go on through and start printing.
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Apr 7, 2013
I have an issue that started showing up since I bought a new computer. The old computer ran XP, the new one runs Windows 7. Almost every time I start the computer I get an error message telling me Windows has detected an IP conflict. Sometimes when I click okay I get the message a second timeAbout half the time, I have no internet connection when I start up and have to restart my router, which fixes the problem (after restarting the modem, I do not need to do anything like renew with ipconfig; it just starts working). I do this so often I attached it to a power switch to make it easier than unplugging.My setup is this. My PC is connected to a router connected to my cable modem. The router is also connected to a wireless hub. This hub is used by only one device, my Wii U. I can get the error message even if my Wii U is turned off.
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Mar 21, 2011
Router is Airport. Interference to all am radios (in both cars, transister radio, and plugged in clock radios) within 10 m radius of our house. Have had router for two years, but problem started suddenly last Sunday morning. Figured it was the router by turning it off (no interference) then on again (interference returned).
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Oct 21, 2011
I bought a few months ago a WRT54gl router for home use. It works nice and everything, but today was the second time it totaly resetet without pressing the reset button. Why the router is resetting by its own?
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Apr 29, 2013
I tried any type of combination and just couldn't make it works. Only PPTP works well. Whether Apple iOS IPSec VPN is supported or not?
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Feb 5, 2013
I have a Cisco 2801 with dual ADSL WAN connections, PATing to a network hanging on the fa0/1 interface. From the server connected to the router (hanging off of the fa0/1) interface, I can ping any address and there are no issues. But from inside the Cisco CLI, pinging certain addresses causes erratic behavior. [code]
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Nov 9, 2011
I have a 2801 router. The Fa0/0 int shows up/down. I have plugged it into diffrent cisco and non cisco switches and even a cross over cable to my laptop. I cant seem to get the protocol up. I have changed the speed to 100 and duplex to full to try to get it up that way and nothing. [code]
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Dec 23, 2011
I have a 2801 with dual ISP connections, and I have configured route-maps to direct voice traffic over ISP1 (working just fine), and I'm attempting send all other traffic over ISP2 (traffic is load-balancing instead). The connection to ISP2 is DHCP, and I have configured a route-map to route this traffic using the 'ip next-hop dynamic dhcp' command, but when I look at the route-map, it states the following: ip next-hop dynamic dhcp - current value is UNKNOWN..Is there something that I need to enable in order to see the next-hop, and properly send traffic over the ISP2 connection? [code]
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May 3, 2012
I have a Router 2801 What conf should i make to access the webserver from the same LAN.
!
no ip dhcp use vrf connected
ip dhcp excluded-address 192.168.1.1 192.168.1.63
[Code].......
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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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Oct 31, 2012
I am trying to run the following commands on a 2801 router, but the commands are missing:
mls qos
mls qos map cos-dscp 0 8 16 40 32 46 48 56
The only QoS command i have in global config is (no MLS qos) :
REMOTE-ROUTER1(config)#qos ?
restore-show-output Restore old show output
shape-timer Set the HQF shape timer interval
The router is running IOS:
System image file is "flash:c2801-ipbasek9-mz.151-4.M5.bin"
Am i just running the incorrect IOS or am i missing somehting, i need to change the QoS Map for my Nortel VoIP. The VoIP phones connect to a 3750 PoE which used to conenct to a 2651XM to route VoIP and data traffic over the same copper pairs (WAN link to hub site) hence the need for a Service policy but being Nortel phones, require changing the cos-dscp map. the 2801 is going to replace the 2651XM using a new HWIC.
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Jun 23, 2011
We have a 2801 rotuer in place that hooks up to a metro ethernet link that's obviously dropped off to us via ethernet. Anyway, the throughput granted to us is 20MB, but for some reason I can't get it to go anything above 11MB at the most. I've spent a day going through documentation trying to find the fastest speed the 2801 supports and I can't find my answer. I've seen that the high speed wan cards in this router support up to 45MB, but I'm not using a WAN card, only one of the two built in 10/100 ports.
what the maximum throughput speed is on a 2801?
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Mar 26, 2011
I have a FWSM in my 6509, this firewall is managing three VLANs, one of which holds a file server. As you all know, FWSM do not support VPN like the ASAs and PIXs do. I have been trying to add remote access to this file server LAN all week. The only VPN device i have is a 2801 router.
first layout: VPN router behind FWSMstatic translation from FWSM LAN (private) to VPN WAN (public)default route was facing back at FWSMip address pool was to be NAT'd on the interface facing the FWSM the idea was that my VPN address pool would be NAT'd back to the FWSM on it's VLAN. since the FWSM was managing this VLAN and recognized the source IP of the translated address pool, i would have access to my precious file server.
second layout: VPN router fa 0/1 on a /30 with 6509 (public)VPN router fa 0/0 still on the same LAN as FWSM (private)address pool for VPN once again NAT'd to fa 0/0default route pointed to fa 0/1static route of FWSM LAN pointed to fa 0/0 this idea was to have more of a 'inside' and 'outside' interface on the VPN router. this too did not work, having used every trick in the book, i could still not ping anything on the FWSM LAN while VPN'd in the network (aside from the LAN interface on my router)
trace route was showing that the all routes were headed out fa 0/1 (default route) and all to my FWSM died. i really don't think my address pool is being NAT'd, though my route map statement applied to the NAT policy is permitting my VPN address pool.
I am new to VPN technology, one of those things that happened to land on my lap. how this layout could work? there are no good VPN Remote access walkthroughs for a situation like this (2801 allowing access to a FWSM controlled LAN)
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Apr 23, 2011
i have configured remote access vpn on my 2801 router's gio0/0 int ip x.x.x.1. i connected my laptop through vpn client from internet. i connected successfully and my vpn router gives me the assigned ip block y.y.y.1. from my laptop i can ping the other int gio/1 ip z.z.z.1 but i cant ping the ip z.z.z.2 of my core sw which is connected on router's int gi0/1.
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Jul 31, 2011
The application here is a wind power project, built in two phases, without any effort to coordinate or integrate the two sites during the design phase. All operations activities for both phases are performed by one staff out of a common location. This is a rural area and Internet connectivity is mission critical due to contractual obligation with Electrical Utilities.
The client has a need to reconfigure a network which has grown over time in a layer by layer approach, whereas at every point in time that an additional T-1 or other changes occurred to address a specific need, no thought was ever put into integrating the entire site as a whole. It is at best a dysfunctional solution which somewhat accomplishes thier needs, and at worst, a kludgy, grossly security compromised, and difficult to use infrastructure. There is every kind of equipment one can imagine, each installed by some entity providing needed services on the site, but forced to make uninformed decisions because the client really has no IT department to coordinate with. Over time, every vendor just provided their own switch, router, or maybe figured out how to reconfigure another existing device to also provide the routing or access needed, To say the least, it's a mess.
The client requests a solution which provides a means to accomodate 6 internet connections (4 T-1 lines, and 2 satellite) in a manner which aggregates available bandwith and provides redundancy. The T-1 lines will be the main internet access, with the satellite connections only used if available bandwidth falls below some threshold, say 3Mb. There are many internal networks which need to be routed to and between, in total, about 20 subnets. There are 2 SCADA (Control) networks which have a mandatory requirement of 1Mb each, a VoIP system which does not use any internet connetivity as there are 6 POTS lines dedicated to it, an internal office LAN and a turbine manufacturers site LAN.
The T-1 lines, at 1.5Mb x 4 = 6Mb.
The 2 SCADA networks require a guaranteed 1Mb each, the remaining 4Mb is to be allocated between the office LAN and the turbine manufacturer site LAN. The satellite connection are only to be active in the event bandwidth falls below 3Mb.
There are 2 Cisco 2801 routers on site which could be reutilized if appropriate. Each T-1 has it's own Adtran CSU with Ethernet out. All T-1 lines are /29 IP Blocks. 2 of the T-1 lines are adjacent IP Blocks, for what its worth.
Everything here is open to reconfiguration. The client wants this finally integrated correctly with the ability to address emerging Electrical Utility cybersecurity requirements in the immediate future.
An ideal solution would be fully redundant to eliminate the single point of failure at the edge router. As to whether there needs to be separate edge and interior routers, I just don't know that. I would guess everything could be done with just a pair of redundant routers at the edge, but perhaps it is better to do the interior routing between subnets on a different router(s).
Again, the goal is a well integrated, redundant, and secure solution. My part is mostly complete, with the OSP part of the network finally at 100% after 5 years of stupid and careless misconfigurations and bad fiber splicing (by others).
I'm absolutely covered up in business at Layer 1 & 2 on these sites, as the physical plant and associated network elements are typically very poorly designed, specified, and implemented. The complexity of this job leads me to seek outside advice and ultimately a more qualified Cisco professional than me. I'm experienced enough with Cisco to know when I'm in over my head. I know a diagram would be nice, but at this point I've only got a very detailed diagram which reveals too much site identity information to make public. I'll wait to see a few comments and in the meantime work on removing site identity info so I can post a good diagram for everyone to see.
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Dec 19, 2012
Someone told me the commands, but I can't remember them. Have a router (2801) at the end of a highly utilized T1 link/router. How do I protect it so my SSH and/or Telnet sessions will get serviced if the router is real busy.
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Apr 20, 2012
1- Cisco Router
Eth0/0 : Ip address 192.168.1.1 /24 == connected my laptop of 192.168.1.2
/1: Ip address : 192.168.2.1 /24 = connected cisco swith
2 - Cisco Switch
VLAN 2 Name : Sales : ip address 192.168.3. 1 = connected computer 192.168.3.2
VLAN 3 Name : Marketing : ip addres 192.168.4.1 = connected computer 192.168.4.2
So I want my laptop that connected the router Eth0/0 Interface should access both VLAN 2 and VLAN 3 computers
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Oct 3, 2011
I've been looking and I can really find much info about this, I got a 1841 and 2801 router with ADSL WIC cards and both are synching really low compared to my cheap home router
This leads me to believe I need a firmware update so I got the adsl_alc_20190.bin and loaded it into flash and reloaded my router but its still saying my firmware is using an embedded one.
sh flash:-#- --length-- -----date/time------ path1 1000636 Oct 4 2011 05:59:54 +00:00 adsl_alc_20190.bin
sh dsl interface atm0/1/0ATM0/1/0Alcatel 20166/20174 chipset information ATU-R
[Code].....
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Dec 6, 2010
I have a nat and vpn setup on my Cisco 2801 router.Everything is working as expected except the NAT. I have a single static nat translation but it only works for inbound and not outbound. Going outbound, it uses the default overload nat address of the outside interface. [code] I want to add another mailserver. But I fear if one mailserver were to get black-listed, they would both be reporting there ip address as the same address (the one on the ethernet interface) which would blacklist both mail servers.Again, inbound nat works ok, but outbound is just using the IP of the ethernet0/0 address.
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Dec 14, 2011
I have a cisco 2801 router, My ISP in which i receive my bandwidth from has assigned me a ip address/gateway etc for my FA0/0 from our Telco switch. I need to figure out how to bridge through the public ip scheme they are issuing me through FA0/1 (setting up a transparent bridge) so in example if i was givin 192.168.1.189 on a /30 network for my router (assigned to FA0/0) how to i set it up to bridge through the publics?
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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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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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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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