Cisco WAN :: 2851 Crashes Every Night?
Feb 15, 2012
We have a Cisco 2851 router that crashes every night. Below is the 'show log' output. The provider is telling us that it is our equipment. We have replaced the router and still have the same problem. Is it our equipment or the provider?
Feb 15 19:29:43: %BGP-5-ADJCHANGE: neighbor x.x.x.x Down Interface flap
Feb 15 19:29:43: %BGP_SESSION-5-ADJCHANGE: neighbor x.x.x.x IPv4 Unicast topology base removed from session Interface flap
Feb 15 19:29:44: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0:0, changed state to down
Feb 15 22:34:13: %CONTROLLER-5-UPDOWN: Controller T1 0/0/0, changed state to down (LOS detected)
Feb 15 22:34:15: %LINK-3-UPDOWN: Interface Serial0/0/0:0, changed state to down
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Sep 19, 2012
I'm having problems with a cisco switch WS-C2960-24TC-L version 12.2 (50) SE5. every night the equipment goes down, and every morning around 8am comes up.
I know it comes up at 8am because at that time I arrive at my workplace and see the alarm that the switch did not backup the config. ip using his web page and see what's up for a few minutes.
but I never could discover what time vai below. is there any way to see?? with the command show logging don't appear the hoursthat came down...he was only following the hours that he came up ...
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Dec 24, 2012
My DCS-942L is almost always in night mode with IR on resulting in a B/W picture. Only when the light is very bright it changes to day mode. How to adjust the day/night threshold?
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Jan 10, 2012
I've got a sky router at home with some devices connected wireless and some on cables. I want to be able to disable some devices at night so the kids cant go online with Xbox's and PC's at night.I dont want to just turn off the router as I want to go online at night.
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Oct 30, 2012
As the title says, I would like to know what are some ways in which a group of computers on a network can be imaged at the same time over night. The reason this must be done is because in the training room at where I work, each different training session configures the computers differently, so it would be nice to have them all start off from the same point, rather than a new instructor having to learn all of what the previous instructors had done to the computers.I know some ways in how to image multiple computers. A little background on the environment:
About 15 computers connected a cross a network
Must be repeatable, and remain available (no dismantling)
Image will be Win7 32 bit, with applications already on it
Must be able to run, and complete over night
The image must be pushed out from one computer to all of the others
The OS of the computer doing the pushing can either be Win7 or XP
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Sep 16, 2012
my internet works normally during daytime but starts to disconnect and reconnect every few minutes at around 11pm. I've tried restarting my modem but to no avail. My home telephone line is not working when my internet starts disconnecting and it starts working during daytime. My modem is connected to the telephone.
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Jul 19, 2011
Recently, my PC has been losing connection to the internet at 1am.It doesnt tell me its lost connection and when i repair the connection it says that it has been repaired - but nothing will connect to the internet and the Zone Alarm symbol stays static instead of its usual green/red activity bars to let me know data is moving in and out.
My xbox is fine all of the time and the other computers in the house are also fine when i checked them at night.- I also checked the ethernet cable from my pc to my xbox to see if that could be the issue - but the xbox worked fine with it.
[code]....
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Jan 16, 2011
I'm running Windows 7 64 bit with a Linksys WAG 320N modem.
The last few days my internet disconnects every night at roughly 12:30. I have checked my wireless drivers in devices and the part to automatically disconnect is unticked.
I can't find anything in the modem to automatically shutdown
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Mar 28, 2012
Just set up 2 dcs-942 cams, and both were working fine. Now for some reason, the ir on one is not working, or very dim. This is in complete darkness, and its not seeing anything beyond 3ft. I've tried unplugging it, but didn't work. I haven't tried a hard reset yet, but may have to. Btw, no difference even if I force dark mode.
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Sep 12, 2011
I would like to save power by scheduling the PoE switch ports on my switches to shutdown every night and turn on at a specified time during day.
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May 25, 2011
I've had enough of BT's shoddy Home Hub router dying whenever I transfer large files over wifi so I want to go back to a trusty Linksys and I'm looking at the WAG320N.
I've got a family member who is convinced wifi is harmful, so to avoid an argument I've agreed to switch it off at night. My last Linksys let me do this via a custom firmware, but the WAG320N isn't a Linux based model. So, my question is: can I set wifi to switch itself off at night from e.g. 11pm until 8am? Preferably this will be an actual switch-off rather than just preventing access via certain wifi devices.
If it can't do it, any alternative Linksys ADSL2+ modem that can?
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Dec 20, 2012
I have a DCS-932L camera setup in my living room with motion detection activated in DView. During the day it works great, but after nightfall the camera shows random lines in the [poor] video. These lines are being picked up as motion and as such the camera records all night long taking up massive amounts of disk space. Even when I put the camera motion detection on 'lowest' value, it still picks it up.
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Oct 7, 2011
our kids at home always hugs the internet at night time, which is way past their bed time. i have been trying to disable their internet connection during night time only. im getting concerns what their watching at night or who their chatting with at 3am
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Dec 2, 2011
I have a E4200 fw 1.0.03 my pc, laptop connect to E4200 is OK but have a problem with my iphone 3Gs iPhone 3Gs connect to E4200 at day is OK althought sometime loss packet but at night (after 17:30) iPhone can't connect to E4200, althought I don't config anything.This is my E4200 configure fw: 1.0.03 No set schedule access internet
At Day This is a log DHCP when iPhone(MAC: 00:26:bb:fb:29:a0) connect to e4200 at Day Sun, 04 Dec 2011 07:11:00 received REQUEST from 00:26:bb:fb:29:a0 Sun, 04 Dec 2011 07:11:00 sending ACK to 192.168.1.136 get IP very fast ping packets at day (loss some packets):
But at Night everything change althought I don't config anything on e4200This is a log DHCP when iPhone(MAC: 00:26:bb:fb:29:a0) connect to e4200 at Night Sat, 03 Dec 2011 22:11:20 received REQUEST from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:22 received REQUEST from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:27 received DISCOVER from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:28 sending OFFER to 255.255.255.255 with 192.168.1.135 Sat, 03 Dec 2011 22:11:28 received DISCOVER from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:28 sending OFFER to 255.255.255.255 with 192.168.1.135 Sat, 03 Dec 2011 22:11:31 received REQUEST from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:31 sending ACK to 192.168.1.135 Sat, 03 Dec 2011 22:11:32 received REQUEST from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:32 sending ACK to 192.168.1.135 Sat, 03 Dec 2011 22:11:34 received REQUEST from 00:26:bb:fb:29:a0 Sat, 03 Dec 2011 22:11:34 sending ACK to 192.168.1.135
Very difficult to get IP from e4200 at night, sometimes getting IP but not on the Internet, sometimes can not get IP and iPhone get message "unable to join the network "ciscoTNTn""ping packets at night (can't ping):
While iPhone is connected to the Draytek Vigor2600VG good no matter day or night.I re-upgrade fw 1.0.03 and restore factory defaults but still not fixed.Is that a bugs ?
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Dec 4, 2011
Our DIR-615 has started freezing and when reset (power cycled), it reverts to factory settings.This has been running 24/7 for several months with no problem. Three days in a row now I've woken up to find our home network is down and the DIR-615 status lights are "yellow". Power cycling the DIR615 resolves the problem however the DIR-615 looses its settings, reverting to factory defaults (looses the admin password, wireless settings, etc). I can reload the settings from a file saved on my computer but needless to say, this is a bit annoying. I don't believe there are any wireless clients connected at the time as most of the wireless is served by an airport two floors up. There are several wired devices always connected:
a Zoom ATA carrying our "land line"
a tivo (doing whatever tivo boxes do)
a SSL based Voip phone (different than the zoom ata)
an AirPort Express 802.11n (bridge mode) which may have a couple of wireless clients
a laptop which may or may not be sleeping at the time
There are a couple of ethernet switches in the network.Some of the devices acquire addresses via DHCP, others are assigned fixed addresses outside the range of the DHCP addresses served by the DIR-615.Nothing has changed on the network in months.
The only settings I've messed with on the DIR-615 are:
a) set the admin/user passwords
b) Set the wireless network name, enable WPA, set the WPA Key
c) enabled ntp (this is now disabled and I've set the time manually)
d) Change the network base from 192.168.0. to 192.168.4.
The DIR-615 is hardware rev E3, Firmware 5.10 The cable modem (from RCN) is a Scientific American model DPC2100R2
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Oct 2, 2012
I want to save energy. How can I turn off the Linksys N300 range extender at night. Can just unplug or will this screw things up.Is there a button
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Dec 20, 2011
We want to get MIB files for snmp v2 from Cisco 2851 Router running with IOS below,
c2800nm-advsecurityk9-mz.124-15.T7.bin
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Jan 31, 2012
We have Cisco router 2851 and asa firewall. We configured on he router for IP phones and ISP connected. The ISP directly connected on the router and asa firewall connected to the router. We have plan to configure VPN on the router. We have available public ip address. if i configure the VPN on the firewall we need to configure firewall local ip address to public ip address. SO how to configure firewall local ip to public ip ? Where we can configure , mean on the router or firewall. Firewall and router configuration.
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Aug 29, 2010
I have a Cisco 2851 (c2800nm-advipservicesk9-mz.124-25d.bin) Router configured with one site-to-site vpn. Is it possible to configure a failover vpn tunnel on this router?
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Oct 14, 2012
I have an office with 50 users. I have both a 2851 and a 2921 available. Which one would be a better fit?
Comparativley, which is the more powerful unit?
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Feb 16, 2012
Do I need to obtain license keys/files when upgrading a 2851 to IOS 15.x? I'm getting a bit confused seeing the documentation that says 1) IOS has gone to a universal image and 2) that feature sets are unlocked based on the installed license.
I was able to download a feature specific IOS image for the 2851 and it did not bother me about licensing upon boot up.
I read one post on here that stated 2800/3800 series (G1) do not have to worry about the licensing piece and that it's just 2900/3900 series (G2) hardware that require it.
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Jan 23, 2013
Is the 2851 router meet these requirements ? if no. What is the must specific series of the routers suitable for this requirement:
1. Comprehensive interface range supporting T1/E1, NxT1/E1, FE, and High-Speed WAN .
2. Wide array of Layer 2 access protocols including Frame Relay, Ethernet, and PPP/HDLC .
3. Rich and granular QOS and instrumentation for prioritizing mission-critical traffic such as voice .
4. A modular platform with a broad range of interface options.
5. Network Address Translation (NAT), and IP Sec .
6. Four (4) auto sensing LAN Ports (10/100/1000) Mbps built-in routed ports.
7. WAN Interface Slots (4-6 option Slots) .
8. WAN Interface Modules (2xT1/2xE1/2xSerial/2xFE/DS3).
9. Memory (512/1024 MB DRAM) .
10. Built in redundancy (Power Supply) .
11. Two (2) Integrated GE ports with copper and fiber support .
12. Support for a Small form-Factor Plugged ( SFP) port for GE.
13. Support Network Timing Protocol (NTP).
14. Security: On-board encryption Support of up to 2500 VPN tunnels with the AIM-HPII-PLUS Module Antivirus defense support through Network Admission Control (NAC) many more essential security features .
15. Voice : Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 240 IP phones.
16. Performance : Up to 1GB DRAM Up to 1GB Flash The maximum transmission unit (MTU) Up to 9576 bytes Throughput up to 1.2 Gbit/s .
17. 110/220 volts.
18. Warranty certified by Sis 98 or by OEM (original equipment manufacturer) .
19. Up to 115.2 Kbps for Console/Aux port with DDR capability.
20. Supports IPv6
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Oct 31, 2012
I seem to be having an issue getting a 3xT1 bonded solution to work. I can get 2 out of the 3 T1s to come up and pass traffic, but I can not get the third one to be added to the solution.
Hardware: 2851
IOS: c2800nm-advipservicesk9-mz.124-15.T8.bin
Modules:
NAME: "VWIC2-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1 on Slot 0 SubSlot 0", DESCR: "VWIC2-2MFT-T1/E1 - 2-Port RJ-48 Multiflex Trunk - T1/E1"
PID: VWIC2-2MFT-T1/E1 , VID: V01 ,
[Code]....
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Apr 24, 2013
Up to today I used Verizoon 4G to a Windows Visata box running Internet connection Sharing to get my home lab connected to the Internet . All was working well.
Today I had Hughesnet come and installl their service and I can no longer get access to the Internet from my PC netowrk. my VPN to my office for my IP phone coomes up an works just fine. At the router I do have Internet access which then leads me to believe that my problem is NAT related.
My router is a 2851.
When I enter PING 4.2.2.2 I get !!!!! but when i enter PING 4.2.2.2 SOURCE 192.168.69.3 I get .....
Here is my config info:
crypto isakmp policy 1
encr 3des
hash md5(code)
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Mar 29, 2012
I have a Cisco 2851 (with a 4 port switch module) that I am trying to set up with two different internet connections, and have it route traffic out to them based on the source IP. One connection is a 50mb Comcast connection, another is our T1 that our servers are hosted on. The goal is to guide server/phone system traffic to the T1 and have the rest default to the Comcast. I currently have the 2851 connected to our Layer 3 switch (Dell Powerconnect 6224) with a subnet created between them. Static routes have been created on the 2851 back to all of our existing subnets. Traffic flows internally without a problem between the subnets and 2851 (and vice versa). I set up the 2851 with route-map's in the NAT to control the flow of traffic, with the default route set to the Comcast connection. Default route works great, speedtest shows full speeds and everything looks great. The problem happens when I apply my route-map policy to the internal LAN interface with the ACL list of IP's that I want to guide to the T1 (with a next-hop of the T1's IP address). I tested some tracert's and pings from one of the IP's in this list and they would stop at the T1 modem and not go any further. I did a "show ip nat translations" and noticed that the "outside" portion (right half) was blank for every IP that was in the ACL or related to the T1. So my guess is it looks like this is not doing NAT for the T1? I double-checked that I had my "ip nat inside" on the LAN interface and "ip nat ouside" on the T1 VLAN interface and Comcast interface and they were there.
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Nov 15, 2012
I am using a 2851 router in mpls network. We had a power shut down activity recently and post to that i could not find any logs in the router.
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Jun 11, 2013
I am trying to find information on what the max clock rate supported on WIC-2T on a Cisco 2851 and Cisco 3845 Routers.
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Nov 12, 2012
I recently obtained a 2851 and have been battling this issue for a week now. An odd set of circumstances happen with the bootstrap startup process. If the router has loss of power or when reloaded; it fails to read the CF card and boots to rommon. I can tftp an image to it (tftpdnld -r) and IOS CAN read the flash card along with any saved configuration.In fact once in IOS, I can wr mem and print the hardware details of the CF card. Once I reload the router it goes to rommon, fails to open the flash, then sits until i tftp the image back. When the router load IOS, it also loads the startup config.I don't think it's a problem with the CF card as IOS can read it. I've tried formatting the card from IOS and from my pc as FAT, FAT16, FAT32, and NTFS - it didn't make a different. I updated the ROMMON to allow for USB booting but haven't purchased a USB Drive yet for testing. The upgrade didn't resolve this issue either. It almost seems like a firmware problem with the EPROM.
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Jan 15, 2013
[URL]I ran across this on the cisco site and I wondering if it was possiable with two 2851's? The part that is most interesting to me is this part of the config (this looks like what allows the use of the y-cable)
redundancy
#
mode y-cable
how to have a redundant border router with a T1
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Sep 4, 2012
Network newbie here asking an embarrassing question on logging We have a Cisco router with the following IOS version. I want to enable logging; so do I need to configure event-log enable before adding the following logging configuration?
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Sep 4, 2011
I need a configuration example of MPLS with VPN as a backup Router cisco 2851
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Feb 2, 2011
I am having issues bringing up a tunnel between a cisco 861 router and Cisco 2851 router. Tunnel has been dropping every week atleast once or twice. Usually router reboot fixes it but today it is just not coming back up. have updatee remote, reloaded the config still no use. It seems like it is partially coming up but I see the following two messages on the main router:
1- Death by retransmission P1
2- 11:03:03.789: %CRYPTO-6-IKMP_NOT_ENCRYPTED: IKE packet from 12.234.109.169 was not encrypted and it should've been
I have checked the config on both routers it is the same as the VPN was up and we didn't make any changes on either of the two routers.
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May 16, 2011
I have Cisco 2851 router & need to allocate bandwith based on IP's. eg. 192.168.1.1 should use 7 Mbps & 192.168.1.2 should use 2 Mbps & 192.168.1.3 should use 1 Mbps. Let me know the configuration on how to execute it on a router.
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