Cisco Switches :: SG 300-10 And SF 300-08 Dropping Configuration After Reboot?
Jun 20, 2012
My company uses the SG 300-10 and SF 300-08 switches to deliver services to our customers. We have been using the upgraded firmware version 1.1.2.0. Our normal procedure is to configure the switches in house and upgrade the firmware before sending them out to the customers. The configurations are confirmed in house after the new firmware has been loaded. Recently we have had several of these switches lose the Vlan configuration that we setup. These incidents have occurred after power outages and scheduled reboots. We do not generally have to reboot our customer switches.
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May 3, 2011
I have a couple of SF300-24 switches. When I made needed configurations using CLI or GUI and then saved all configurations. The problem is that switches do not save configurations after reboot.
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Jan 30, 2012
is there any way to reload the current saved (not running) config without a reboot of the firewall?
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Jan 26, 2012
For a customer I have to move the ASA 5505 firewall to a new internet connection. I have modified the config in a notepad textfile and want to put it on flash or so, so that it will be loaded at next reboot.
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Nov 13, 2012
I have a Belkin N750DB (F9K1103) that has been working great for many months. All of the sudden, when I reboot it r power cycle it, it loses its configuration. Even if I restore the configuration, it immediately goes away. I have tried unplugging for an extended time and holding the reset button for a full factory reset.
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Apr 4, 2013
We have several SF-300-48P switches, eveytime there is a power failure the switches need to reboot 2 or 3 times before they are able to route packets again.
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Aug 9, 2011
My SG300-52 is struck in reboot loop after i set tcp congestion avoidance in webui.
********************************************
Boot1 Checksum Test...............................PASS
Boot2 Checksum Test...............................PASS
Flash Image Validation Test.......................PASS
[code]....
i've tried flashing new firmware via xmodem but still have problem.
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Aug 26, 2012
I have a Synology NAS that is connected to several IP Cameras through a SG300 switch. From time to time the IP cameras become "disconnected" at random When I reboot the switch, the access to cameras is re-established.
Problems: it requires an external device to reboot the switchall ports are shutdown while rebooting the switch
Q1 Is there a way to program the SG300 to reboot itself automatically every X hours?
Q2 Is there a way to automate the following process on the SG300 switch itself. ping a camera every 1 minutesafter three unresponsive ping, shutdown and restart the port to which the camera is connected
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Mar 9, 2013
Cisco SG200-26 (not PoE model). After a power failure, at restart the switch seems unable to reboot. The power led starts blinking in green, after some seconds the connected ports start blinking as well, but the the switch reboots automatically after few more seconds.I tried to disconnect lan cables, power cord, and reset to factory by pressing and holding down the proper button for 30s and more, but no success.In the small amount of time the switch's ports seem to be powered up, clients don't receive packets, don't ping each other or the switch manage address.
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Mar 10, 2012
I have a problem with switches SPS208G2. They're conected with SFP module after Linksys SPS224G4 and another swithes. After reboot switches which are conected with SPS208G2 don't see link. However previous switches phisical link status is up show LED, but protocol status is down show command "show interface status". I changed Firmware, it doesn't work, i changed SFP module it doesn't work. Yesterday i got new Firmware ls_sps2xx_bx-10600.ros but no luck. I don't understand what's wrong with switches SPS208G2. I have 500 or 700 switches SPS208G2. They installed different places at city. They don't ping until reboot their or previous switches. Reboot previous switches usually doesn't work, works only physical reboot or pulling SFP module.
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Nov 15, 2011
We have 3 sf-300 series switches in Layer3 mode deployed in different offices. We have found that approximately every 2-3 months at all 3 locations users experience a serious reduction in bandwidth. Only after rebooting the cisco does the problem go away and we're okay for another few months. some setting/feature that may be contributing to this? We are only using several ports and 1 static route on each switch. We are not using any of the bells and whistles on the switch. 2 of the switches are using the original firmware, whereas the other is using the newest firmware. Maybe this is just what we should expect from a Small Business switch?
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Aug 31, 2012
I have two Cisco SG300-20 switches. Both of them are configured in L3 mode. They have several VLAN's configured.
When I reboot my switches some VLAN membership settings are lost! I have already saved the settings over and over before rebooting, and even tried to save it to the backup memory and so on. Say for example I have changed port 9 to 14 from VLAN 101 to VLAN 105. I save the configuration, reboot the switch. And then the changes are lost. This is a big problem, because servers and my iSCSI network loose connectivity. They already have the latest firmware. This issue was there three firmwares before.
This issue pop-ups when I have a power loss, or I need to reboot/shutdown them manually. It may be off-topic but I also have the feeling that the performance of the switches goes down during uptime. A reboot solves the performance issue. I don't have a performance benchmark, but I can notice it on the performance transfer rate between clients and servers.
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Dec 4, 2011
Running the newest firmware available
$ show version
SW version 1.1.2.0 ( date 12-Nov-2011 time 23:34:26 )
Boot version 1.0.0.4 ( date 08-Apr-2010 time 16:37:57 )
HW version V01
This is how I can cause the reboot to happen every time.
$ show lldp neighbors GE 10
Device ID: <mac address>
Port ID: 22
Capabilities: Bridge
[Code]....
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Mar 12, 2012
I have an SG300-52 gigabit switch that has been constantly rebooting and is effectively unusable.This started after Enabling TCP Congestion Avoidance, specifically:
-Turned on TCP CA
-Saved Running Config -> Startup Config
-Rebooted Switch
Since then the switch has been rebooting roughly every half a minute, and the management (HTTP) interface is inaccessible. In addition the factory reset (i.e. reset button for greater than 10 seconds) does not make a difference. I suspect that there is some bug with TCP CA that causes the switch to fail to start up, and that factory reset has failed to clear the startup config.
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Jun 26, 2011
I have a Campus LAN setup which is layed out using Cisco SRW2024 and SGE2000 SB switches. On the LAN we are running various services. These are CCTV, VOIP(SIP), Public Address(multicasting) and Internet hotspots to various locations. I have attached a layout of the setup. A unique VLAN is setup for each of these services.The problem we have is that the PA audio is breaking up at intervals making the output distorted this is also happening for the SIP phones within the facility. Using the user guide we have tried to setup QoS on the system but we seem not to improve the services.
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Aug 21, 2011
How to erase or remove configuration file from ESW 500 Series Switches?
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Apr 10, 2012
We have a customer who we sent to Cisco to replace some aging Dell switches. They purchased 5 SG300-52’s for 2 different networks. Their production LAN has 2 “live” switches and 1 spare. The 2nd, a development LAN has 1 switch and 1 spare. Their primary production SG300-52 has GE1-8 VLAN’d off as VLAN2 for public IPs. The untrusted (WAN) interfaces of 2 x ASA-5510’s, 1 x ASA-5505, and 2 x RV082 v2’s are connected to GE2-6. GE1 is the uplink to the co-location center’s Cisco switches. GE7 & 8 are spare ports. Each SG and device port is hard coded for 100/Full.
One of the ASA-5510’s and the ASA-5505 maintain a site-to-site VPN (the development LAN used to be in a different facility hence the VPN). Recently the developers have stated the performance is horrible. I noticed ping traffic loss from PCs on the dev side to servers on the production side in the order of 20-30%. I assumed it was a VPN issue so I opened a ticket with Enterprise TAC (all the ASAs and the SGs have either SmartNet or extended support contracts). TAC determined the problem happened even if you ping from inside the ASA to the untrusted side of the other ASA thus eliminating the VPN as the culprit.
The 2nd ASA-5510 has the AIP module and was not even live until this weekend. Turning it up and giving it a basic config returned the same results. #ping x.x.x.x repeat 100 will drop 20-40 packets. I have no security enabled on the SGs and even tried using the spare SG300-52 this weekend in place of their primary with the same result. I’m to the point of returning one of the Dell switches to production, but this cannot be a good sign. I’m also a bit frustrated that I’ve yet to figure out how to get Cisco Enterprise to speak with Cisco Small Business on this. The customer has over $10k invested in Cisco equipment and Cisco isn’t jumping in to figure this out.
The latest rep wants a packet capture from the SG300’s VLAN2 but there are no PCs there to do this with and the manual doesn’t even talk about doing this. How we can do this as well as get the 2 divisions working together to fix this? BTW, the RV082’s exhibit the SAME exact problem. I can ping from ANY device on VLAN2 to any other device and drop packets. Copying a simple 1MB file over the VPN can take minutes where it should take 1 second. I can reproduce this for 24/7.
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Jul 10, 2012
Some day, then my internet jut died. then I got the router restarted(unplugged the electricity and plugged it back in) and it worked for like a day and then it died again. I restarted the router again Internet worked and then some hours later it died again.This problem only happens to me and not anyone else in the house.I'm connected from my pc with and ethernet cable to a switch/HUB where it's then connected to the router.
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May 7, 2012
For the past few months my internet connection will randomly drop for about 5-10 seconds when someone else connects to the network. I am using a wired Ethernet connection and as said when someone connects either via WiFi or also through a wired connection, the internet for me will drop as soon as the device is connected, and then randomly every 20 minutes or so thereafter. I should also mention that rarely the connection will just drop for again, 5-10 seconds even when nobody else is connected.I tried my computer at someone else's house using their router and it worked fine, no disconnects at all.
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Oct 12, 2012
Our environment consits of 4 cisco SGE2010 switches (stacked). I have implemented STP BPDUGUARD and Portfast on all client ports (suspected a loop). And our uplink to the Server DMZ recieves almost all of it's BPDU packets back(is that normal?) The issues lies where we have random ports dropping out - across all stacks for seconds at a time. We get errors/warning such as,Pinging between the DMZ network appears to be fine. Pinging from the client/switch network show packets being dropped quite frequently.All devices are on VLAN1 (I've have researched this and this could be the cause of the issue)
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Mar 23, 2012
* ADSL modem connected to internet
* WiFi router (Netgear WPN824v2) connected to ADSL modem
* CPU, iPhone and iPad connected to router, CPU wired connection.Everything has worked like a charm up until a couple of days ago. Now the link between the router WAN port and the modem randomly drops. Stays dropped for 1-3 secs and then connect again. When its really bad this happens with 5-10 secs intervall. This made it impossible to use the network from any of the devices.If I disconnect the CPU from the router and connect it direcly to the modem and change the IP settings to match the modem network the CPU connects without errors to the internet, iPad and iPhone connected to the router keeps having problems.Restarting the router does not change anything and it seems to be more frequent errors during heavy load hours, in the morning I have almost no problems at all, in the evenings I cant almost use the wireless devices (CPU works fine as its now connected directly to the modem not through the router).I havent changed a setting in the last year, it just came right out of the blue.I have hard reset both the modem and the router and reconfigured them (that I dont want to do again as I have some virtual servers, port forwards, port triggers and so on :P).As it came right out of the blue without me changing anything on any device and as it seems to be more frequent during heavy load hours I'm suspecting that the ISP is involved, but how can they be (it works fine with devices connected straight to the modem)?
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May 9, 2013
We have a remote site that is using 3750X switches as layer 2 switches back to our home site. The uplink port is showing dropped packets but the utilization on the link is never about 10%. We have a 100Mb circuit to this site. Our speed tests and iperf tests are not showing any issues that we can see. However the port is still droping packets. It is not dropping at a high rate but they are dropping.
switch#sh platform port-asic stats drop gi1/1/4
Interface Gi1/1/4 TxQueue Drop Statistics Queue 0 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0 Queue 1 Weight 0 Frames 52876 Weight 1 Frames 2 Weight 2 Frames 0 Queue 2 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0 Queue 3 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 1330874 Queue 4 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0 Queue 5 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0 Queue 6 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0 Queue 7 Weight 0 Frames 0 Weight 1 Frames 0 Weight 2 Frames 0switch#
Is there a way to capture these dropped packets to see what they are? We do have VOIP phones at the site and are using Qos.
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May 28, 2012
We have PC's that connect through the Siemens IP phones and back to the cisco 3750 which is connected to our core 6500 via L3. The phones use a voice VLAN and the PC's use another VLAN. The whole setup seems to work ok but I was just wondering if the QOS was configured correctly. Our current config on our 3750 switches are mls qos trust dscp on the port that connects to the phone and PC and mls qos trust dscp on the L3 links. The phones are configured for "QOS L2/L3"From the reading I've done so far it seems that any ports connected to a L2 device should be set to cos and not dscp?
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Apr 6, 2012
How do I make the following work with Cisco 302-08G ? I have a 4-port Cisco wireless/wired router that allows for a guest account. I also have Cisco SF302-08 that I bought so I could use its port/vlan mirroring capability. How should I configure the network, given the aforementioned equipment, so that I can get a single point sniff.
Assume I have two wireless clients, one using the "regular" wireless SSID, and the other using the "guest" SSID. I can see 192.168.1.x (regular SSID) and 192.168.169.x (guest ssid) on the internet side (one the same physical cat5 of the wireless router. So far so good. But, I would like to use 302-08 to actually allow the guest SSID/network comm cable)unicate with the regular SSID/network. For example, if I ping 192.168.169.x from 192.168.1.x, I would like to see a response. Can I make them communicate properly with the 302-08 ?? if so, what do I need to do ?? (I will also have wired clients tied into the 302-08..so its important that it be the central sniffer point).
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May 11, 2012
I'm having trouble in connecting a SG 300 switch with CCA v3.2. I have already connected the switch with CCA, however I can't see anything in my CCA's Front Panel and Topology view. Here is the view of my Front Panel view after I connect the switch ?
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Aug 24, 2012
I'm adding it to an existing infastructure, with multiple VLANs. I believe I have it set up correctly, however whenever I daisy-chain the switch in with the trunk ports, it's not passing the VLAN info correctly. There's not a lot of configuguration involved, so I'm not quite sure where I might be going wrong. I've attached a couple screenshots that show my trunk port configuration.
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May 2, 2013
I have been trying to setup vlans on a SG300-28p but they are not working. This is my setup: I want Switch1 to have ports 1-10 to access the DMZ, and 11-24 the LAN. Then i wan to add switch2-4 to extend the access to LAN.
i tested with cisco 2960 switches by just telling what ports whould have access to DMZ and LAN but the small business switches are different..
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Feb 19, 2013
I am trying to get an SF500 in to CCA for configuration. I can find the device in CCA, and it prompts for a username and password, but it doesn't accept the u/p combo. I confirmed that the combo works when tel netting to it.
I have telnet, ssh, HTTP and HTTPS enabled on the switch, but the results are the same. On the console, it tells me that the the connection has been rejected. It appears as though CCA is also trying https, as it is rejecting that stating "credentials expected to be encrypted". Is the SF500 compatible with CCA? I've found nothing online to the contrary. I am using CCA version 3.2.1.
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May 15, 2012
I have several switches that don't show the key cryptext in their config when I do a show run.What would cause this? I am generating self-signed keys via "crypto key generate RSA"
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Sep 10, 2011
I am having an issue with LAG configuration on a Cisco SG300 52 switch. I have connected four Ge ports on the switch to the four NICs of a Dell R710 Server on which I installed Windows Server 2008 R2. Without LAG configured, these ports would forward traffic to and from the Dell server fine.However, if I configure LAG on the ports with LACP enabled, then they would not forward any network traffic. Debugging shows that the ports are up but their forwarding status show N/A. Am I missing any configuration? Can I configure LAG on edgeports?
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Apr 22, 2012
Before I launch into this can I say that I am very much a novice with regards to Managed Switches and their configuration. I have the following equipment which I have connected to the switch: [code] All of the above are on subnet 255.255.255.0.All of the above communicate with each other during normal operation.Our client is connecting to the switch but his requirement is for his system to "see" the PLC Comms Card as follows:IP: 10.0.3.61 on Subnet 255.255.252.0 .
Using the Internet Explorer interface connection I have created an additional VLAN (ID 2) on Port 10 with the intention of using this as the connection to the client ( I assume there will be further settings required to route the PLC connection to this port) but every time I try to assign the IP and Subnet values and click "APPLY" the changes are not made and the connection appears to hang leading me to reboot the switch.I have connected to the switch via console and changed the mode to Layer 3. I also assume that it is OK for the three pieces of equipment to remain on the default VLAN. How I should setup this VLAN and ultimately achieve my goal.
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Dec 4, 2012
I'm busy on configuring the backup of the configuration from Nexus switches 5K and 7K.I have installed COPSSH on my windows server and try to confiugre the sftp credentials. [code] I have tested from the CLI from the switch and i have the issue but if i use the default vrf 'default' it works fine.How can i change the command sent by DCNM to the Nexus in order to specify vrf default and not vrf management ?
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Sep 19, 2011
I've got multiple SGE2000P & SGE2010P switches
Originally I was happy just set them all up in a stacked ring configuration. However I've become aware that my back bone fibre links are contantly pushed to their max.
So I've decided that I should change this configuration and unstack the switches and make them all stand-alone units. and I'll configure 2 cable LAG links between all my switches Theorically I should now get 2GIGs between each switch and to complete the ring in my network for redundancy I'll turn on Spanning tree.
However I've tested the speed and I just can not seem to get a LAG connection with 2 x 1gig cables to push more data than a single link 1gig link cable would.
My test enviroment(not using fibre optic cables just cat5e copper cabling):
4 x pc's(all gigabit network cards)
2 x sge2000p switches
PC1 ---(1G eth)--- /---(1G eth)--- PC2
[SGE2000P]===(LAG1 2x1G cables)===[SGE2000P]
PC3 ---(1G eth)---/ ---(1G eth)--- PC4
If I send files from PC1 & PC3 simultaneously to PC2 & PC4 They don't transfer faster than if I I just use a single 1GIG Link cable
looking at the LAG configuration it shows both cables are connected & the LAG looks like it's working. But it really doesn't seem to be running at the expected 2GIG?
The LAG fail over seems to work fine if I remove either of the 2 cables from the LAG the link continues to work. (sometimes it will drop a ping when removing or readding a LAG cable)
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