Cisco WAN :: 3560 - Lost Connection When Ip Routing Enabled

Dec 13, 2011

i am configuring a 3560, everthing is fine until i enable the "ip routing"
i lost connection to all vlan

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Cisco Routers :: RV082 V03 Randomly Connection Lost When Firewall Enabled

Sep 11, 2012

Hardware: RV082 V03
Firmware: RV0XX-v4.2.1.02
Static routing: to

The unit is configured as internet gateway. 4 NAT ports are active. When firewall disabled all works fine. When firewall enabled I do get connection lost at random interval. In firewall only 4 rules added to the default 3 rules. The added rules are:

1/ permit port 25 to any
2/ permit port 25 to any
3/ permit port 25 to any
4/ deny any port 25 to any
I do get at random times connection lost when navigating with windows explorer on a PC with IP 192.168.1.x to a share on a PC with IP The same happens when copying files.  Sometimes it works, later it fails or reties are needed.  When the firewall is switched off all runs fine.

Ping from 192.168.1.x to allways give a <1ms response
Is there a RV082 perfomance problem or do I have a configuration problem?

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Cisco Switching/Routing :: Catalyst 3560 - Routing Enabled With / Without Default Gateway Or IP Route Command

Feb 25, 2013

We have two catalyst 3560 switches running  c3560-ipbasek9-mz.122-58.SE2.bin  They are connected using etherchannel using gi 0/21 -  24 interfaces.
on 3560-1 switch, there isn't any ip-default gateway or ip route configured. It only have 1 interface vlan configured.
on 3560-2 switch, there is ip default gateway configured along with 1 interface vlan.
What i dont understand here is that, i can reach out to other subnets from 3560-1 switch in which the routing is not enabled?

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Cisco Switching/Routing :: 3560 Password Recovery Enabled Procedures?

Dec 21, 2011

Following procedures get to the switch: dir flash and get the following.....unable to stat flash//: no such device

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Cisco Switching/Routing :: 3560 POE Lost Ios?

Jul 29, 2012

I have a 3560 POE that will no longer boot and I am not able to load a fresh copy of software onto it.  It appears that it has lost all data.  When I attempt to TFTP a new IOS, I receive that following error: 
Transfer cancelled by remote system
I have tried using dir flash: to see what is contained in the flash directory but I receive the below message:
unable to stat flash/: no such device
I am stuck in rommon mode so when I do switch: dir command, I don't even see flash as being a filesystem.  The below list are the only systems registered.
bsdcs[0]:  (read-only)
bstage[1]: (read-only)
fstage[2]: (read-write)
xmodem[3]: (read-only)
null[4]: (read-write)
tftp[5]: (read-only)
Is this switch finished or is there something else I could try? 

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Cisco Switching/Routing :: Updated 2960-24TT-L To 15.0(1)SE3 And Lost Connection

Mar 1, 2013

After not seeming to be able to save any configurations in 12.2(25)FX, I thought an upgrade would work since it said it didn't recognize my browser or OS but let me continue. I was able to see everything just couldn't save changes.
I updated to 15.0(1)SE3 and everything seemed to be going well. Tried to log back in HTTP (have not set n IP yet since it is still at my house... DHCP seems to be working) and I get a user/password screen that says level_15_access and it won't let me in.
Attempts to log in terminal have been unsuccessful. I can log in my dell switch which I am replacing and my APC units terminal just fine using USB to serial and Ubuntu.
I tried cisco as a password, user and password, admin, administrator no luck.
What is the best way to resolve this, is there a sure fire windows serial program or settings I should use in linux (currently 9600,8,N,1) to connect? I have looked through manuals till I am blue in the face.

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Cisco Switching/Routing :: 3560 To Make Sure Not To Take Over Console Connection

Jun 11, 2013

I have two 3560s that i would like to upgrade. But first i would like to make -absolutely- sure i dont wind up in a situation where i have to roll back over a console the day i still cant understand why oh why someone removed (or chose not to implement it everywhere) tftpdnld from rommon ;)

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Cisco Switching/Routing :: 2821 And 3560 Multicast Servers Connection

May 9, 2012

I  start configuring Cisco 2821 router for multicast . First short  description and attached sheme explanation. Let we say  I have small  network with 100 users. One router and Cisco switch 3560. Two VLAN’s,  one for data another for multicast. Data from internet works fine but  now I want to connect multicast servers (or source of more multicast  streams) from another subnet. Router have three interfaces.I expect there should be no problems with multicast configuration, but unfortunately it is not like I expect. What I did ?

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Cisco Switching/Routing :: 3550 / 3560 - Can Multiple Connection Between 2 Switches

Jul 9, 2012

For some special arrangement, I would like to connect 2 access ports from a 3550 switch to 3560 switch.1 port for vlan 200, another port for vlan 201.Will this introduce bad thing to the switches?

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Cisco Switching/Routing :: 1900 Series Router Needs Reboot Every Time Connection Is Lost

Jan 1, 2013

i have a cisco 1900 series router from the isp and we connect it the our router the rv042 small biz, and we have here a cisco catalyst 2950 switch with just default configuration connected to the hosts.
my problem is from time to time that the connection is lost there is no connection with the router and the only solution is to turn off and on the cisco 1900 router and the connection will be back.
do we need to configure the routers and switches? what do you need to configure?

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Cisco Switching/Routing :: 3560 G - Static DHCP Client Drops Connection

May 31, 2012

i am not sure if this is something with my DHCP setup or not, but it certainly seems to be the culprit.  I am running a 3560G and using it as DHCP and to do V LAN routing (Geiger protocol).  I have 10 pools configured with a few static addresses per pool.  Now to get down to the problem.  I have a computer (and this problem seems to be a gremlin as it changes what computer is affected quite often) that will connect, get its IP, immediately disconnect, then send out a DHCP req again.  The computer has a static assignment in the pool, and for the brief second that it connects, it gets the right address.  If i move the computer to another v lan, all works right.  If i delete the static entry it will get an address in the right v lan no problem.  The command i have been using to add static entries is:

address client-id 01xx.xxxx.xxxx.xx
That seems to have been working on all my static routes except for a bank of computers in vlan3.  I have went as far as to delete the pool and recreate it, heck i even recreated the v lan and i am still having issues.   Below are some snippets of the running config for review.
The DHCP Pool for the affected LAN:
ip dhcp pool Dev3
boot file
dns- server
 [Code] .....

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Cisco Switching/Routing :: Shape 3560 For 10Meg Metro-E Internet Connection

Nov 12, 2012

I have been reading for awhile now on all the Cisco forums on the 3560 and shaping egress traffic but I wanted to verify my thoughts on this.  I have 3560 that connects to the ISP that is policing at 10Megs, I want to shape my egress traffic going to the ISP, I do not want to provided QOS to any specific traffic type but only shape all traffic outbound.  Will my config below shape "all" egress traffic going to the ISP on the 3560, on a port that is physically connect at 100Meg Full duplex?
int gi0/1
srr-queue bandwidth shape 40 40 40 40
I gathered these numbers using the formula of 100* 1/weight, which would equal 2.5 and if each queue has 2.5 meg that would = 10Meg.  However another concern is that I don't think I have the full 100Meg on the interface to use (correct?)

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Dhcp Is Not Enabled For Wireless Network Connection

Feb 14, 2013

am trying to connect my laptop withgalax tab via mobile AP configuration, it give me this error {dhcp is not enabled for wireless network connection}

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DHCP Not Enabled For Local Area Connection

Jul 7, 2012

I've been trying to set my IP to a static IP so I can host servers for a few different games and every time I change the IPV4 settings my internet stops working and when I troubleshoot it says "DHCP Not enabled for local area connection.".

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Cisco Wireless :: WAP4410N Connection Shows Enabled Instead Of Connected

May 9, 2012

My WAP4410N is configured with 4 seperate SSIDs. Two of the SSID status are showing "Enabled". The other 2 are shown as "Connected". The one that are showing as Enabled are not receiving any packets. Devices connected to the SSID that shows "Enabled" are unable to connect to the network. Any one else encountered similar issues before? This issue just surfaced few hours ago. The device has been using for around 2-3 years with minimal issues.

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Wireless Router Limited Connection (DHCP Not Enabled)

Dec 11, 2012

I was trying to port fwd my RDP and then I ended up getting side tracted and changed my routers password [URL] it would cause my router to stop working. I know my adapter is fine, because I can connect to the internet via wired connection. My wifi DHCP is not enabled however and I have no clue on how to enable it.

Here is the settings from ipconfig/all

Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.


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Dhcp Is Not Enabled For Local Area Connection In Windows 7?

Dec 8, 2012

dhcp is not enabled for local area connection in windows 7" my error is this and each time when I on my pc it will ask for a new connection..

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Cisco Switching/Routing :: Power Connect 6224 With Routing Enabled With Several VLAN Setup

Jan 19, 2013

I have a power conncet 6224 with routing enabled with several VLANs setup.VLAN Database: 6,8,10,90-254VLAN 6 is our management vlan10 is for our core network services (DNS, Domain, Exchange etc)90-254 are isolated vlans.What I need to accomplish is to prevent vlans 90-254 from communicating with each other and only allow communication to VLAN 10 and the internet. All internet firewall work will be handled by our Sonicwall. [code]

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Linksys Wireless Router :: Low Speed Connection E4200 With Both Bands Enabled?

Dec 13, 2011

When I have both 2,4 and 5,0 GHz band enabled on the E4200 router my PC (WMP600N-PCI adapter) has max. 130Mbps.When I enable only the 5,0 GHz band it has a speed of 270Mbps.The same speed issue with my Dell laptop.Router and PCI adapter are new (3 days old) and both have the latest firmware.Both PC and laptop are running on to increase the speed with both bands enabled?

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Windows 7 Proxy And Ip Routing Not Enabled

May 14, 2012

I have repaired tcp/ip stack and winsock by command prompt. When I check my ipconfig /all there are alot of things not enabled and default gateway with no address etc... I checked my advanced setting and dhcp auto obtain is enabled. When I try to release and renew ipconfig the addresses are missing and when I renew, it's completely missing.

OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: AMD FX(tm)-4100 Quad-Core Processor, AMD64 Family 21 Model 1 Stepping 2
Processor Count: 4
RAM: 8189 Mb
Graphics Card: NVIDIA GeForce GTX 460, 1024 Mb
Hard Drives: C: Total - 57138 MB, Free - 30554 MB;
Motherboard: Gigabyte Technology Co., Ltd., GA-990FXA-UD5
Antivirus: Norton Internet Security, Disabled

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Cisco Switching/Routing :: Nexus 7000 Vrf Not Enabled?

Dec 9, 2012

Should I install any special license to enable vrf within Nexus 7000 VDC? I observed that vrf routing instance is not enabled in the VDC.

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Cisco Switching/Routing :: IOS License Not Enabled In New 3750x-12s-s

Oct 28, 2012

We have just received a new 3750X-12S-S to put onto our existing network but I am having a few issues getting this switch working correctly. For this post, the permenant license is not activating/applying, switch boot up gives the following errors:
*Mar  1 00:00:05.377: Read env variable - LICENSE_BOOT_LEVEL =
*Mar  1 00:00:05.972: %IOS_LICENSE_IMAGE_APPLICATION-3-FAILED: Image application receive image level as NULL.


From my understanding these switches come with the ipbase license as default, and the other switch I received (3750X-24P-S) has this license loaded with no issues.

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Cisco Switching/Routing :: Connecting VPC Enabled N5K To 4 X Stacked HP E3800?

Mar 17, 2013

I have a customer who just bought a pair of N5K and wanted to replace his current HP E3800 as Core. He wants to use the 4 x stacked HP E3800 connect back to the N5K. Will I be able to utilize VPC through a bundled 2 or 4 x 10G (40G) connection (10 or 20G on 1 switch, and 10 or 20G on another switch)  from the stacked HP E3800s to the N5548s? I know you can do that with Cisco 3750s.

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Cisco Switching/Routing :: 2960-S Possible Switch Behavior When QoS Is Not Enabled

Jan 30, 2012

Document at url... is quite interesting,One of these goes about the behavior of a switch (2960-S and 3750G) when QoS is not enabled vs the one when QoS is simply enabled with "mls qos".What additional commands, beside "mls qos", would be needed so as to simulate as accurately as possible the switch's behavior when QoS is not enabled?

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Cisco Switching/Routing :: 3845 CPU Utilization Reaches 100 % When NM-1T3/E3 Is Enabled

Jun 21, 2010

I have installed NM-1T3/E3 IN  A CISCO 3845 WITH IOS c3845-advipservicesk9-mz.124-9.T3.bin AND 512 MB RAM .WHEN I ENABLE THE CARD THE CPU PROC HISTORY SHOWS 100% WHEN DISABLED IT COMES DOWN TO 10%
Slot 0:        C3845 Mother board 1GE(TX,SFP),1GE(TX), integrated VPN and 4W Port adapter, 7 ports        Port adapter is analyzed
Slot 2: NM-1T3/E3 (clear/subrate) Port adapter, 1 port        Port adapter is analyzed

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Cisco Switching/Routing :: 2911 IP Conflict With Proxy Enabled

Jun 3, 2012

I had problem with  IP conflit address  from cisco router 2911 , all the time the router respond with ARP reply (duplicate use of IP : x.y.z.t with the same Mac Address ) and the IP subject of conflit dosen't appear in any router's interfaces configuration  (basic configuration without dhcp) ,the problem was solved  problem when I desactivete proxy arp but I can't understand this behavior , why arp proxy respond to all IP address with same Mac even the IP dosen't exist in router ?

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Cisco Switching/Routing :: C3560 Output Drop Without MLS QoS Enabled

Nov 24, 2012

We are seeing output drops on a C3560 switchport, this port does not have QoS enabled -- application does not need special qos treatment, as long as packets are not droppd, so I suppose all traffic will share the same queue? then how should I read the output of "show platform port-asic stats drop" which indicates that it is queue 3 weight 2 drop? I am wondering what is the best way to fix this? enable mls QoS and increase queue 3 bandwidth share on this interface or just increase the output queue depth?
switch#sh mls qos interface gi0/1
QoS is disabled. When QoS is enabled, following settings will be applied
trust state: not trusted


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Cisco Switching/Routing :: Enabled Syslog On 2960S Switch

Oct 3, 2012

I have enabled syslog on my Cisco 2960S swtich as shown below -
-logging facility local6
-logging host transport tcp port 514
I have sent the port to TCP since that is what is configured on the SYSLOG server which is a CENTOS 5.8, running rsyslogd.I have tested the rsyslogd locally and it work.However i want to send any and all log messages in the buffer to my syslog server and it is not working.there is no firewall on the CENTOS and the ASA firewall filter is enabled for outgoing traffic.

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Cisco Switching/Routing :: 3750 - Cannot Enable PBR On A VLAN WCCP Enabled

Jan 3, 2012

I would like to apply a policy-based route on one of our L3 switches (Cisco 3750) to change the next-hop of a couple of servers only. The VLAN where those servers reside got WCCP enabled on it. When I want to apply the route-policy to that VLAN interface it doesn't let me. When I try to apply the same policy to a VLAN interface without WCCP it does work. Is there any Cisco IOS limitations that would prevent me from doing that?
route policy config: 
access-list 70 permit ip host x.x.x.x (server IP)
route-map PBR1 permit 10


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Wireless Connection Get Lost

Jul 15, 2011

to play Xbox Live and use my computer at the same time and all of a sudden my connection would be lost. I eventually figured out that my laptops Wireless connection being lost was completely to blame on my Wired Xbox connecting to the internet.

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DSL Connection Lost After Reinstall

Oct 1, 2011

I'm not working on a computer now. This is just a question of curiosity since I am still learning networking. I did a reinstall for someone. Once they brought their computer back home their Verizon DSL connection was not working. He could not Ping

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Lost Power Now No LAN Connection?

Jun 27, 2011

I had lost power to my apartment and when everything came back on everything was working as normal...until about an hour later when my internet connection was sporadic at best. I called the ISP and they confirmed that the modem is fine. My other computers can connect to it via ethernet cable and wifi so it doesn't appear to be the router.

When I try to ping anything it seems to time out randomly.. (ran "ping Yahoo! -t1" and let it go for a while..times out every 10 requests or so).

I swapped out the ethernet cable but the LEDs on the NIC are Orange(Amber) for both cables. The wifi on the computer works fine. I reinstalled the driver for the NIC.

Lenovo H320
Windows 7 64-bit

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Cisco Switching/Routing :: 3750E - Sequestering Traffic On A Router-enabled Port

Nov 20, 2011

Is there a way to use the "no switchport command to enable routing on a port and yet sequester it from traffic on other vlans within the switch?
The switch in question is a 3750E

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