Cisco VPN :: 1802 Tunnel Goes Down For Several Hours / Then Goes Up Again Without Reason
Jul 12, 2011
I've mounted a IPSec G2G tunnel with Cisco ASA one end & Cisco router 1802 another end. The 1802 is connected to a BT 2wire Gateway Router to join the BT network. But from time to time, the tunnel goes down for several hours (or several minutes) then goes up again without reason.I've checked the IPSec configuration, it seems correct. Anyone has experience on the BT 2wire Gateway Router ?
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Nov 29, 2012
I have an N750 DB router and it has been rebooting every few hours for no reason. This has just started happening about 4 days ago. I don't know why but when I check the system logs its filled with the following. [code]
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Apr 18, 2012
I have a RV082 that has an issue keeping an IPSEC Gateway to Gateway VPN running from itself to our ASA 5510. At 8 hours of connectivity (I can almost set a clock to it) the Tunnel will say it is connected on the RV082 but on the ASA 5510 the tunnel is not up.
If I click on disconnect on the RV082 under the VPN Summary page things will come back up. from the ASA 5510 side there is nothing I can do to get things back (ping inside "vpn network" or even trying to make a connection to a networked VPN machine).
To make things more complicated I have another VPN on the RV082 to a PIX 506e that works with no issues. I also have another RV082 at another location with the same settings that keeps its tunnel with the ASA 5510 with out any issue. Some things I have tried to try and fix the issue are:
I upgrade the firmware on the Rv082 V3 from 4.0.0.7-tm (what it was shipped with) to 4.1.1.01-sp) - This seemed to have no effect.
on the RV082 I have changed the MTU from automatic to 1428 and 1452 - all this does is make the connection to the PIX 506e unstable like it is for the ASA 5510 I have changed this back to automatic.
since the time of stability seems to be 8 hours I have changed the "Phase 1 SA life time" and "Phase 2 SA life time" to 28800 both at the same time and individually - This seemed to have no effect.
The current configuration on the RV082 are:
Local security gateway type: IP Only
IP address: (local ISP provided static IP address)
[Code]......
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Jul 5, 2011
i have an ipsec tunnel between two rv082 routers. (1 v3 Hardware and the other with v2). On both devices are the latest firmware installed.
Everything working fine, the routers establish an ipsec connection but after about two hours, the router with hw version 3 freezes.... nor the wan neither der lan interface is pingable. I can only pull out the power cord. Below attached are the ipsec settings. It´s a Gateway to Gateway connection
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Jan 15, 2012
I have a Cisco 1802 to connect my company to ADSL over ISDN. But my boss wants to change the ISP. The propose was (still is) to configure de router with VPN, IPS and use the WAN port to connect the new ISP, that provides an Ethernet signal to 100Mbps.The WAN port will work with Ethernet signal (when we change of ISP)?Any good book (or a paper) to configure the router to work properly with VPN and IPS?
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Jan 19, 2012
The router that was used to connect to the internet over ISDN it is not possible, because we have now a Ethernet incoming signal from ISP.
So, is it possible use the Fast Ethernet 0 port in the Cisco ISR 1802 as WLAN instead of ISDN port?
The figure below show what we trying to do.
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Mar 26, 2012
I have a router 1802 with a several vlans with IP 192.168.x.0/24 for each vlan (x, it meaning 1, 2, 3, 4, etc.).Now I need that an IP address outside from my network (this IP it is always the same) to be access to on particular machine that is in a private network (192.168.3.0/24) through a several ports:
25 (TCP,UDP), 80 (TCP,UDP), 554 (TCP,UDP), 2000 (TCP,UDP), 10002 (TCP,UDP), 10000 (TCP,UDP), 3000 (TCP,UDP), 3041 (TCP,UDP)
How can I do it?
Outside PC ---------Internet ----MyRouter -----MyParticularPC
83.240.194.99 193.136.80.1 192.168.3.1
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Sep 2, 2012
Using a Cisco 1800 series router (1802) with IOS 15.1(4)M2.I am quite sure the following should somehow be possible in IOS, but I can't figure out how to do it ... :I have the situation that I need to bind specific devices by DHCP to the same IP range.
These devices (medical equipment, used in hospital) are all from the same vendor.So the first three octets in the MAC address (Organizationally Unique Identifier , OUI) are the same for each device. The next three are always 'unknown'.I know how to bind a fully known MAC address to a host ip or ip range , but is it somehow possible to do this by the OUI ?Like using some wildcard option.
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Feb 15, 2012
Why does my internet keep disconneting and i run a troubleshoot and it cant find the reason, i rest and unpluged my router and my wifi and my dsl box and it has been doing this for 3 days now, and my network want to charge a service fee to come out and im broke, and nobody has moved any wires or anything and im the only one using this net.
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Sep 6, 2012
I have v4 mpls working fine but v6 refuses to work correctly.Looking at the ipv6 routing table for the VRF we can see prefix's coming from the remote PE's BGP is up in vpnv6 and ipv6 unicast.Everything seems fine but I just cant seem to ping between the sites.as mentioned, ipv4 works fine for the same vrf.
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Mar 29, 2012
my Internet has been acting up lately, generally I get download speeds of 1 mB/s but now I barely even get past 50 kB/s. Also whenever I attempt to download something I get large amounts of ping (500-900).
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May 6, 2011
Findout what is the Reason for does not Opening a bin Extension File?
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Feb 24, 2011
Just looking for some good reasons why I should upgrade a Cisco PIX 515e cluster to an ASA Cluster to present to the business.
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May 10, 2012
I am trying to add an AP (1231G) with autonomous code (Version 12.3(8)JEC2) to WCS (v7.0.172.0). I recieved the following error:
Failed to add device to WCS Reason: Unified AP with same MacAddress already exists in WCS. Remove Unified AP first.
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Sep 10, 2012
I have a problem with SNMP. I using Cisco 3845 in distribution layer. >600 subinterfaces. When my managment system send response - the cpu Utilization on cisco3845 near 100%. I want to prohibited my Cisco answer on response about interface status.
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Jan 13, 2012
VPN client 5.0.07.0410 on Windows Vista sp2 when I try to connect to my cisco 851.Secure VPN connection terminated locally by the client Reason 412 The remote peer is no longer responding.I turned on debug crypto isakmp and debug crypto ipsec no information displayed on the console.I was a lot futher before but now do not know where to turn.
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Aug 12, 2012
I have a number of 2960 switches that have crashed without any reason
Under show version System returned to ROM by address error at PC 0x108971C, address 0x0
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Dec 19, 2012
we have configured VpC between two Nexus 5596, for Vpc-Keep-alive-link we configured L3 interface with 1G (GLC-T) ,it shows the below status message "L3 not Ready" with interface LED glows in Yellow in color. is this a physical layer problem
Ethernet VLAN Type Mode Status Reason Speed Po Ch
Eth1/17 -- eth routed down L3 not ready 1000(D) --
Eth1/18 1 eth access down SFP not inserted 10G(D) --
Eth1/19 1 eth access down SFP not inserted 10G(D) --
Eth1/20 1 eth access down SFP not inserted 10G(D) --
Eth1/21 1 eth access down SFP not inserted 10G(D) --
[code].....
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Jun 24, 2011
Do I correctly understand that when two ASA 5510 are in fail over pair, the switchover from primary to secondary if one interface of primary goes down shall happen ONLY if failover link is up? So when the fail over link is down and one interface on primary got down also, interface tests between the two ASAs still are being done , but secondary SHALL NEVER try to become active.
In this case why to make tests on data interfaces ? What is the reason to make them? If the knowledge of that some interfaces of primary became down comes through failover link - no need to make additional interface tests - primary will tell about the failure to secondary. If so should run no monitor-interface if name command to dis load devices and network by foolish tests?
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May 6, 2012
we have two WLC model 5508 with software version 7.0.116.0 (25 ap supported for each), i tried to add a new access point air-lap1131ag-e-k9 but after five minuts (maximum) the ap reboot, i replaced :
- power injector
- AC/DC adapter
- patch ethernet
- switch port
- switch
- ip of the access point
- reset a default of all access point i tried
- reboot of both wlc
I took the ap and connected directly to the switch (with or without power injector), but the access point reset with this reason.
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Nov 7, 2011
I have a 3845 router which got reloaded immediately and need to know the reason for the reload .Router have created crash info detail .
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May 3, 2011
I'm not entirely sure what's going on. I run 4 computers on this network, 2 Windows Xp, 1 Windows 7, and 1 Linux. All of which cannot access AIM, Gchat, and Minecraft(lol). I have no idea what would cause this, I run DD-WRT on my router(Linksys WRT-54G). I've checked all ports and I don't have anything blocked. I seriously need to fix this because I use AIM for my work. I can't even get into AIM Express which is web-based(tells me to check my network connection.
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Feb 13, 2012
I have a problem.My wifi disconnects randomly sometimes and I have to restart my router every time it happens.Besides me the wifi is used by my mother and father on they're own computer.My router is Thomson ST780.
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Jan 31, 2012
I have a E2000 for a half a year now.We have been on hollyday for 5 days so my routers has been shutdown.Today it happend 3 times that my complete LAN disconnected for no reasonI didn't have any wired or wireless connection.
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Oct 28, 2011
I have a E2000 for a half a year now.We have been on hollyday for 5 days so my routers has been shutdown.Today it happened 3 times that my complete LAN disconnected for no reason. I didn't have any wired or wireless connection
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Jul 31, 2012
Just installed a DIR-615, not impressed so far I have 3 clients, a Windoze 7 laptop, a Kubuntu workstation (wireless N) and a wireless HP printer. When I enable DHCP reservations and reserve the addresses then save settings the router reboots and when I go back in all info is gone and nothing is reserved. I have been having weird disconnection issues - I lose my internet periodically for no apparent reason so I increased the lease time and am trying to reserve addresses.
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Oct 2, 2012
One switch of our stack of 8 3750 have reboot with no reason. Nobody was in the room server when it appears et there was'nt any electrical problem at this moment.
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Dec 4, 2011
I have a capture set up of type "asp-drop all", and I am capturing certain packets with no indicated ASP drop reason. See output below (ASA 5510 with 8.0(5)23 code):asa5510-8.0# show capture, capture ASP type asp-drop all buffer 15000 circular-buffer [Capturing - 14912 bytes]
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May 30, 2013
I've run into an odd problem - I have connected two 2960s together with copper on FastEthernet interfaces, and STP on the new switch immediately puts that port into blocking mode. I don't understand why this would be, since there is only one connection between the two, in fact, there is only one connection at all on the switch that is blocking.
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May 25, 2013
Switch automatically restarts for no reason , I have upgraded the software.can not find fault. more crashinfo, see the following output:
HKZ-SSL-4-NAN-4506#more crashinfo:data
Current Time: 5/27/2013 10:28:10
Last Power Failure: 05/08/2013 16:55:28
Last Reload Status: 00000000
Last Software Reset State: 00000301
[code]...
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Jan 25, 2012
We have some AP keep on disassociating. All together we have 21 APs in the building but only this 7 APs keep on disassociating in every hours.
Below is the log i grab from our 5508 controller.
Last reset reason: operator changed 11g mode
Our controller code is 7.0.116.
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May 25, 2013
A 4506 Switch reboot several times a day for no reason, I have been trying to upgrade the software . Normal operation of more than ten days , Still there reason to restart . CPU and memory usage is normal
Switch output information below:
HKZ-SSL-4-NAN-4506#sh ver
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICES-M), Version 12.2(54)SG1, RELEASE SOFTWARE (fc1) [ code].....
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Oct 28, 2012
Can't connect a sony vaio laptop to the internet.Says wireless association failed due to an unknown reason. My other laptop connects just fine though
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