Cisco Switching/Routing :: SG300-28P And SF200-24P Connected Via LAG Group / Configurations Won't Save
Dec 10, 2012
I have a SG300-28P and a SF200-24P connected via LAG Group. SG300 routes. I also have 2 VC240 IP Cameras. They are connected on ports 18 and 19 on the SF300. If I lose power, reboot or anything that makes the switches restart, the configuration is not saved. I know this by the fact that after a reboot, ports 18 and 19 are placed in VLAN 4 Untagged. If I put them back in VLAN 2 Untagged, save the configuration and reboot, they are placed back in VLAN 4 Untagged.
I read something on here about firmware the other night from my iPad so today, I upgraded both switches to the latest firmware, 1.2.7.76. After the update, I could not access the IP Cams. I went back into the configuration and they were in VLAN 4 Untagged. I once again put them in VLAN 2 Untagged, saved the configuration and rebooted. They went back to VLAN 4UP.
There was previous discussion also about xml version of files or something and that a factory reset and setting the switch up from scratch would take care of it. I cannot do this, I am a seed corn salesman. Is there a simpler way? Like saving the config to TFTP and then uploading it after factory reset? There is LLDP settings for my IP Phones too that if I lost them, I would have no idea how to regenerate them to make my switch work again. Cisco tech support had issues with it when I first got them and they set it up via remote session so I am lost beyond this. I just know that I cannot keep going into the switches to change settings and not have them saved. I lose my security cameras and video recording.
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Jun 11, 2012
I like to know how I can save or export all of my devices configurations to an FTP server for example.Cisco Prime LMS 4.2 appliance.
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Nov 18, 2011
I have 2 Air-Lap1242 that wont save their config after reboot. They are managed by a WLC (4404) and it all seems pretty fine and dandy, but when i reboot them, they dont want to save anything.I am setting them up as bridges (mesh), and it works until i reboot them, then I have to do it all over again.Using CLI to type in "write mem" or "copy running-config startup-config" only results in.
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Dec 20, 2012
In my LAN environment, I'm using two cisco SG300-10 switches. Both switches are connected by GE10 on both switches, where both ports are set to trunk.Now on all ports 1-9 on both switches, I'm having client computers attached. So I set ports 1-9 to "access" mode.All interfaces on any switch is left in default vlan.
Is it normal that I see all traffic from all connected devices on any port where I connect a listening device?What I'd like to achieve is, that only traffic that is meant for a specific workstation is actually forwarded to this workstation. By now it seems that I get all the traffic from everybody.
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Jan 15, 2013
I have in my office switch Cisco Small business series SG300 with 50 x 1G ethernet ports. Now I wanna enlarge my network. I want to buy Cisco SF200-48 with 2 x combo Gigabit SFP . My question: is it possible to connect SF200-48 to 300Series at 1G speed over ethernet? Can I use ethernet port on combo Gigabit SFP on SF200 like uplink and connect it to any port in 300Series?
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Jun 25, 2012
I am trying to connect a SF200-48 switch via Mini-GBIC MGBLX1 fibre module to a Cisco 3750 switch with a GLC-SX-MM fibre module installed both running a 1000 Mbps. When connected together they do not enable. Are there compatibility restrictions or is it that the Mini-GBIC modules cannot be used to uplink to a LAN?
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Jul 10, 2012
Has anyone implemented a working Nat on a Stick?I am looking for 3750 configurations for Nat on a stick.Our users need to access the camera monitoring from home as well as in work.We will like to setup the monitoring software with public address (and port) of the cameras, as the users use the same configuration at home and work.DNS will not work for us as the monitoring settings only accept IP.
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Sep 25, 2011
I built a VSS pair with a couple of 6509's. This was our first pair so we took the opportunity to do some testing. One of the features we tested was the priority/preemption feature, which we decided not to use. After some time we shutdown switch 1 and relocated it to another building. Unfortunately, because of a lack of fiber, it was not connected to switch 2 for several months. Also, unfortunately, I failed to remove the priority commands. Now while switch 1 was "unconnected", we made changes to the config on switch 2. Months later, when the fiber was complete and I connected switch 1, preemption caused it to take over. I'm guessing switch 1 thought it's config file was the better one, and proceeded to overwrite switch 2's production config. I quickly disconnected the fiber but not before losing my production config on switch 2. We of course recovered from that with a backup, but now I need to connect switch 1 again. I have removed the priority command from switch 1 and rebooted it.
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Apr 4, 2010
I have version 2 ssh configured on a Cisco 4507r-e. Unable to sync archives with CiscoWorks. V2.99 is unsupported on CiscoWorks. Does CiscoWorks need to be updated or does the switch?
cat4500-ipbasek9-mz.122-52
LMS 3.2
# show run
ip ssh version 2
#show ip ssh
SSH Enabled - version 2.99
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Jul 17, 2012
what is the best way to remove configs from ports (GigE or Fa) in a 6500 that we aren't using anymore (i.e. best way to return a port to default). Remove each line one at a time or is there a command to default a port?
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Jul 10, 2012
I am trying to research the possiblity of backing up IOS and configurations from an Etherswitch module, and being able to store the files onto the Host Router's flash (3925 ISR). and then being able to recover that IOS and configuration, in case I have to replace the Etherswitch Module.
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Nov 28, 2011
I am begining to work to apply Qos on switchs (C2960 & C6500), and I still have a doubt about the necessity to consider the cos value. I indeed want to apply Qos for ToIP, Video, perhaps create a scavenger class, ans in all cases, I classify my packets with TCP/UDPB port and mark them with DSCP. So is it really necessary to study all the DSCP/CoS mapping problematics ? Is it not possible to make the configurations only on the base of the DSCP field?
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Jun 1, 2013
The N7K can't save the configuration to start-up, here is the error message, the box is running 5.0.5, is it a software bug ?
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Jan 24, 2012
We are facing problem with cisco 6506 switch while configuring when we try to save it, we are not able to save the config, neither we are able to view running and startup config.
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Aug 22, 2012
I got trouble when tried to save configuration by 'write memory' command.
cisco WS-C2960-48PST-L (PowerPC405) processor (revision G0) with 65536K bytes of memory. Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(52)SE,RELEASE SOFTWARE (fc3)
Cat2960#wr
Building configuration...
% Warning: Saving this config to nvram may corrupt any network management or security files stored at the end of nvram.
Continue? [no]: no % Configuration buffer full, can't add command:
After this message continue typing "yes" sometime that switch reload all times. The service compress-config command is not available anymore.
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Feb 5, 2012
I recently set up a small photography business and am trying to get a Cisco 877 and Cisco SG300-10 switch to talk to each other.
What I want is for the Cisco 877 to handle the internet and the SG300-10 to handle the local network,
I have set up 2 vlans in trunk mode on the switch and want vlan2 to manage local traffic and vlan3 to handle the internet.
I have got the 877 connecting to the internet what I dont have, traffic going to vlan2 on the switch from the 877
Look at the running configs for the switch and the router and tell me how to get the vlan on the router to pass traffic to the switch. In a nutshell I am inserting the internet into the switch but am not sure how to progress. I have the c870-advipservicesk9 image file on the router.
Switch Config
interface gi2
description connection-to-data-vlan
exit
interface gi3
description connection-to-internet-vlan
exit
vlan database (code )
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Jul 15, 2012
i am not able to apply an access-list to FastEthernet 0 as the ip access-group is not supported in Interface mode but only in interface vlan mode.How can I stop traffic into the LAN network?
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Dec 8, 2011
I am currently having an issue with connecting a Catalyst 2960-S switch to a Small Business SG300 switch. When I connect them they are unable to form a link. When I do a show spanning-tree it says the mst link is in dispute.
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Dec 10, 2012
I am trying to configure Cisco SG300-52 switch for the first time and stuck without CLI configuration option. The configuration can be done using GUI, however, configuring using CLI would be more comfortable (as I am used to work with CLI of other Cisco switches)..
I was able to lo gin to switch using SSH, but the CLI appears in MENU format and was not able to find any way to go to CLI mode.
As per some blogs, in SG300 switches CLI mode can be accessed using Ctrl + Z in Menu, which did not work either in my case.
Switch is running with latest firmware version Sx300 Firmware Version 1.2.7.76.
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Feb 28, 2012
I have three Cisco SG300-28 switches. I setup a test lab environment with a core (server) switch in Layer 3 mode and the rest are (clients) in Layer 2 mode. As I understand, these switches doesn't support VTP, only GVRP. And GVRP works the same with VTP. Whenever you create VLANs on the core or main switch, other switches will learn from the core switch and no VLAN creation for the client switches will be made. (Hope I got it right. I guess GVRP is more complicated than VTP). I want to use GVRP to create VLANs on the main switch so that I won't be doing it all over on the other switches. The following is my (so far) configuration through CLI only:I haven't use the web GUI. My SW version is 1.1.2.0.
1. I already enabled the GVRP globally.
2. I configured GE 12 & GE 24 as TRUNK ports for the core switch that connects both switches, I also configured GE 12 ports for both the client switches. All other ports are in ACCESS mode. (I am connected to GE 2 port)
3. I enabled GVRP on the TRUNK ports only for all switches.
4. I allowed all vlans on the TRUNK ports. (#switchport trunk allowed vlan add all)
5. All TRUNK ports registration mode is NORMAL and dynamic vlan creation is enabled on all trunk and access ports.
6. I created 3 VLANs without configuring its IP Addresses:
-vlan 2 = MGT
-vlan 3 = IT
-vlan 4 = MKTG
I don't know if I missed something on the configuration or the connection.
1. Is it necessary to enable all switches to layer 3 mode? Or depends on the network setup? Does this affect the GVRP?
2. Does switching ports to TRUNK mode means they are already 802.1q ports by default? Because I can't configure TRUNK ports to 802.1q (#switchport encapsulation dot1q) config like other switches. [code]
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Jun 20, 2012
try to configure QoS on a Cisco Small Business SG300 Switch. I followed the instruction on [URL] and configured one Port for tagging my Traffic from a Aastra IP Phone. Tagging works fine (i verified with wireshark).The problem is, that all traffic to a PC connected directly to the Aastra IP Phone is blocked. Is there a possibility to tag any other traffic to the port as a default?
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Jun 6, 2012
I just purchased an SG300-10 (negular, non-POE) and planning on using it with no special configuratinos initially. Longer term, will be using VLAN and QOS for VOIP.What I would like to know is if ports 9 & 10 can be used as standard copper cat5e ports, or are they only useful for special purposes? When I hookup my router/firewall to port 1 it all appears to work. If I hook it up to 9 or 10, the port lights do not come on and it doesn't work. I read that ports 9 & 10 don't have POE on the POE switch, but I assumed that all 10 ports would function with cat5e?
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Apr 10, 2012
We are using the SG300 series switches, and have come across an issue where we need to block ARP broadcasts based on IP.
we have multiple computers, each with only one ethernet adapter, each adapter has two IPs configured, 10.10.10.x and 192.168.0.100.All machines have the same 192.168.0.100 address (Used for applications/hardware running locally to that machine and this IP cannot be changed).
When the machines are connected to the network, ARP is advertising BOTH the 10.10.10.x address and the 192.168.0.100 address.
As all machines have the same 192 address we receive IP conflict notifications on each machine.
How can the ARP broadcasts for the 192 address range be blocked?
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Mar 13, 2012
I'm looking to configure the QOS for VOIP on my network.I have a switch SG300 and several no Cisco VOIP phone. What are the parameters to be taken to implement the QOS?
What is the procedure for installing the QOS? I need to create a VLAN for the data and one for VOIP?I read in the quick start guide that there is auto-QOS for VOIP?This can be done from the GUI? what are the options to put?
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Jul 19, 2012
I have an SG300, configured with several VLANs. I'm replacing a E3000 with the RV180, I've got it in the environment, but I can't seem to get to the internet from hosts on the SG300.
I have Port 4 on the RV180 connected to Port 20 on the SG300...Port 20 is in the native VLAN (VLAN1) and VLAN1 is configured as a trunk. I'm relatively new to networking so I'm not sure where to start troubleshooting. I have the default route on the switch and I have the static routes for the VLANs on the router, should I be using tagging someplace?
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Feb 28, 2012
I have a new redundant network with two cores C1 and C2 and five access switches A1 to A5. They are all Cisco SG300 switches. I have noticed there are too many STP messages emanating from one host which has a MAC address which cannot be traced on the network. In the redundant network, I made C1 the root bridge by giving it a priority of 4096 and C2 has been given a priority of 8192 so that it is the secondary root bridge in the network. I have left all other STP settings to default on the rest of the switches in the network.
The problem is that one host is advertising a RST root bridge all the time. Now it has a mac address which is different from the mac address of the root bridge itself and i cannot trace this mac address on the network. Look at the snapshot of Wireshark output in the attach.The source MAC address which is the host advertising all the time is 1c:df:0f:34:db and the root bridge is 1c:df:0f:bb:34:c4.
Why would the root bridge be resetted all the time?I've also noticed that one port in a LAG configuration on one of the access switches is flapping up and down all the time.I tried to troubleshoot this problem. It is not the cable. It would be something else. What could cause this flapping of the port?Could it be related to STP?
On the other Core switch C2 I can see a LAG status switching between forwarding and blocking all the time. What could make the LAG status to flap from forwarding to blocking and back all the time like this?
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Feb 5, 2013
Any one know when object-group ACLs will be supported in cat4500 IOS-XE ?? Doesnt seem to be supported now.
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Jan 2, 2012
In cisco router 2911 how to creat a network object with port permission on ACL. herz what i have done but couldnt succeed in port 22 and 24 should be denied and rest all port services are allowed to outside interface. [code]
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Apr 3, 2013
I have a cisco L2 SG300-10p Managed switch . I want to configure one port as a turn but cant find the command Encapsulation dot1q . Its a poe switch i want to use for both internet and voip in separate vlans.
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Jan 31, 2012
it says that the cisco sg300-28 managed switch default system mode is Layer 2. but i want to change it to layer 3.
i can't get inside the "Console Interface Main Menu" where the switching from L2 to L3 will be done.
I have done the ff:
1. Upgraded firmware to 1.1.2.0 (latest)
2. Reset the switch to factory defaults.
3. The guide stated that in order to perform telnet to the switch, you need to enable it. So I logged in first in to the web GUI and enable telnet service.
4. I can now start telnet on the switch but I can't see the "Switch main menu".
All I can see are these lines from telnet:
User Name:cisco
Password:******
switchd5928c#
I just want to know how to get into the console interface main menu where these lines should appear so that i can change the system mode:
• System Configuration Menu
• Port Status
• Port Configuration
• System Mode
• Help
• Logout
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Jun 1, 2012
I'm looking for feedback and constructive criticism on our network redesign project for our company.We are currently on a 192.168.1.x/24 and running out of addresses. We are looking to move to the following design and implement VLANs as well for segregation and security. We are probably going to use a few SG300s for switches. [code]
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Jun 1, 2012
Can a Cisco SG300-10P switch power a Cisco SG200-08 switch over POE? Or an SG200-08P power an SG200-08 via POE? I have an area where I'd like to put a small switch, but would like to avoid having to have electrical power run to it. Or will the SG300 and SG200 POE switches only power endpoint devices such as cameras and IP phones?
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Aug 27, 2012
A client of ours has installed an SG300-24P switch and would like to setup a LAG between the SG300 and the 3560 switch we manage for them. They would like the LAG to also pass the voice and two data VLANs currently in use; 5, 10, and 100 respectively. I configured the two ports as an Etherchannel with trunking on the logical port, but no luck. I reconfigured as follows:
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active
end
[code]....
I see no output when I do show lacp nei. At this point the client is looking to use for the configurations to use as he does not know how to setup the SG300 and it is a switch I have never dealt with. I have found some configurations that I believe would allow a single VLAN across, but nothing I believe will allow the LAG to pass all the VLAN's.
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