Cisco Switches :: SG200-26 Switch VLAN And Internet Access
May 9, 2012
I start writing this post telling you that I'm not a qualified network admin, so I beg your pardon if I do not use appropriate terms in my question. Also my english in not so good since I'm Italian and my english in almost scholastic.
This is the "story" :
I bought two switches as described above and actually I have to create 2 VLANS as described below :
VLAN id 2 name "Service_A" ports 1-4
VLAN id 3 name "Service_B" ports 7-9
all other ports can stay in default VLAN1.
my network infrastructure have some other very simple swtiches connected and 1 soho router (static ip 192.168.1.1) with dhcp active and ip pool address released from 192.168.1.100 to 200.
the SG200-26 have static ip 192.168.1.254 and 192.168.1.253
MY NEEDS:
I need VLAN for privacy matter so all computer connected to ports in VLAN2 cannot see nor enumerate PCs and resources on other VLANs, but I also absolutely NEED that all computer in every ports (and every VLAN even default VLAN1) can access the internet.
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Jan 21, 2012
I'd like to use an SG200 swicth to allocate bandwidth on a 100 Mbps fiber Internet uplink.I will have 5 routers (each supporting a separate network) connected to the SG200, and I'd like to give each network 20 Mbps. QOS configuration, best CIR and CBS settings for this.
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May 23, 2013
I have the SG200-08 switch that I am using for Link Aggregation between a Synology DS713+ NAS and my HP Z820 workstation.I have ports 1 and 2 set up as LAG CH1 connecting to the HP and ports 7 and 8 as LAG CH2 connecting to the NAS. I have AT&T Uverse as my Internet provider so I have one cable coming from my Uverse router to the Cisco switch to provide Internet access. I also am coming out of my Cisco switch to my Apple Airport Extreme providing Wi-Fi to my house in addition to wireless access to the NAS. I have no problem seeing and connecting to my NAS drive but my issues comes with regular internet access to my computer.I have created a Team with two of my Intel NIC's and connect just fine to the NAS. My Internet on the other hand is completely hit or miss.Some times it shows Internet access and will connect to web pages just fine and other times it will say no Internet. I have tried shuffling around ports, enabling/disabling certain settings that I have either read about online thinking that it might be one of my problems but at this point all of this IT lingo is making my brain bleed. I don't know if my basic settings are correct or if I need to change one simple thing to get this whole thing working.
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Apr 16, 2013
We recently purchsed a SG200-26 and have several SPA303 with the 2 ports. The other component is a Sonicwall NSA3500.The SG200-26 is on an interface of the Sonicwall that interface has a primary of 172.20.3.x and the sub interface is 172.20.5.x. I labed the VLAN as 5?I went to the "Create VLAN" in the SG200-26 and also created VLAN 5 and under Voice VLAN the ID is 5.Then I went to the SmartPort and assigned GE24 as IP Phone + Desktop. That was OK. But when I go to the SPA303 and Enable VLAN and VLAN ID 5 I get Initializing Network. I am able to ping the 172.20.5.1 which is the gateway for the VLAN but still pull no IP. I also have an DHCP range assinged the subinterface.I also am using Cisco Configuration Assistant. I can see the switch SG200-26 and my IP set but it shows no IP. So I know that the CDP from the phone to the switch is working.
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Apr 15, 2013
does SG200 support VLAN Trunking?
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Feb 20, 2013
Below is my configuration so far.
GE1 General 1UP, 100T, 101T
GE26 General 1UP, 100U, 101U
But I could not get port GE1 on vlan 100 to ping to anything on GE26.It only works when i change it to 100UP... BUT the rest of the vlan ID (101) will still unable to work.
Yes. i need multiple vlan on a single port as I am running Virtual machines on the GE1 and GE26 is an uplink I need all vlan to communicate from GE1 to GE26. Is this possible?
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Jan 29, 2012
I get a empty blue window when I try to open "port to VLAN"
We have upgraded the software but it doesn't work.
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May 21, 2013
i have a question about the proper method to setup up vlan(s) on a sg200 switch with a sv220w router. Should i setup the vlan on the router or the switch? I have small office setup, i need atleast 2 vlans to separate the networks. i want both to have internet access but be completely isolated from each other.
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Feb 26, 2013
My organization wishes to host a LAN gaming event. The setup I have in mind involves a 24-port switch for connecting all the player computers and having that switch connected to a smaller "core" switch which has the the game server and router connected to it. I'd like to know if I can set things up as follows...
SG200-26 with ports 1-24 on seperate VLANs so they cannot talk to eachother. I'd then like ports 25 and 26 to be an aggregated (for bandwidth and redundancy) trunk port to carry all 24 VLANs plus an additional management VLAN (ex. VLAN 100) that will be used for accessing the switch. I'd like those aggregated trunk ports to connect to an SG300-10 "core" switch which will be connected to the game server and to a router for internet access.
I'd like the ability to have two network connections from the game server to the switch, one on the management VLAN and one on a different VLAN (ex. VLAN 50) that will be accessed by the players (ports 1-24 on the SG200-26). The core switch needs the ability to perform restricted inter-VLAN routing, in that it doesn't allow VLANs 1-24 to talk to eachother but they can talk to the server's VLAN but only through specific service ports (ex. port 12345, 12346). Is this possible?
Furthermore how would I configure the SG300-10 to allow VLANs 1-24 to talk to VLAN 50, but not themselves or VLAN 100. As well, I'll probably have the router on it's own VLAN (ex. VLAN 60) and allow VLANs 1-24 to access it but only through HTTP port 80 for web access.
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Apr 15, 2013
I am new to VLANs although I generally understand the concept. I have a small office with 25 desktop/laptops and 15 VoIP phones connected with a SG200-50 switch and on Port 1 I have the Cisco SRP541W router for DHCP and Internet access. My goal is simple: 1) Segregate the VoIP phones (voice) from the computers (data) and 2) Prioritize the VoIP phones traffic.
I believe this can be accomplished by setting up a second VLAN and maybe a third (if the default should not be used) and then identifying those ports as Voice VLAN ports. I guess I just need to know how to flag each interface and each port so that they all can talk to the router on Port 1 yet the voice and data will be in different broadcast domains. Also, do I need a management VLAN??
Is this setup correct? VLAN 1 - default (data) Port 1 (Trunk) (Tagged)Port 2 - 30 (Access) (Untagged)VLAN 2 - voice Port 1 (Trunk) (Tagged)Port 31 - 48 (Access) (Untagged) What should the interface settings be on each port (General, Access or Trunk)? What should the port VLAN membership be on each port (Tagged or Untagged)??
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Jan 7, 2013
I have a problem with my SG200-08 Switch the switch not forwarding a special Packet. I try to run a simple Profinet installation for testing on the switch but it didn't work correct. A special packet (Profinet error message) was not forwarded.
I have tried it with different Profinet masters with Siemens Profinet master it works without of problems. With Rexroth master it dosn´t work. But it is the same packet only another Mac Address.
I have added two Wireshark logs, where I have mirrored the slave and the master port. With the Siemens master all packets are forwarding (every packet is double longed) with the Rexroth master the alarm packet was not forwarding (the alarmpacket is lost between the ports).
With a not managed Switch it is no problem too run both Installations correct. I have tried the Factory default Settings of the switch and too deactivate all services of the switch (like Spanning Tree, ..) but it was all the same, the Packet was not forwarded.
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May 27, 2013
I had a SG200-8/SLM2008TNA switch that I was using on my lab network (192.168.9.x)One of my clients had an emergency so I moved the switch to their network (10.1.2.x)I can't see the switch at all! Cisco FindIt toolbar won't discover it (other switches on the client network are discovering OK)I changed my computer's IP to the range where the switch used to live...still can't find it I also don't see any new devices in DHCP with cisco-looking MAC addresses.Of course, the SG200-8 doesn't have its MAC address printed anywhere on it, and doesn't have a factory reset button.It's passing traffic OK but I was hoping to get it configured via web console and set for SNMP monitoring. how to discover/reset IP/factory reset this thing?
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Aug 28, 2011
We have 2 of the SG200-26 switchs. When ever we loss power all the settings are reset to default. Even if we loss power for 1 min. This includes the IP, user, password, etc. How can I change this so the settings are saved?
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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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Jun 29, 2011
I have just recently replaced a WS-CE500-24LC switch with a SG200-50P. I have plugged in a Cisco 1760 router with a fast ethernet into the switch. On the console of the router I now see these messages: [code]
As far as I am aware both ends of the link are set to autonegotiate the speed and duplex.
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Oct 17, 2011
Last week and just yesterday, our switch SG200 50/50 logged an error like this:
%CDP-E-MALFORMED_TLV: CDP message from 88:43:e1:ab:66:f8 cached with illegal Appliance VLAN-ID TLV
At the time of the error, the SA520 router's LAN Port 1 where the SG200 Port 49 connected went down. (Light is OFF) So internet is down and other V LAN are disconnected. The MAC address on the log is the SA520 router. This happens 2x now and it needs for me to reboot both switch and router. and goes back again online.
SG200 50/50 Port Firmware 1.1.1.8
SA 520 Firmware (Primary/Sec):2.1.51/2.1.18
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Feb 23, 2012
I have no previous Cisco switch experience. I just received a brand new SG200-08 switch. It replaces a small blue Trendnet 5 port switch. I configured the SG200-08 with a static IP address which is on the same subnet as all our wired devices, then I installed it and connected a computer and printer and another switch to it. The other switch is a Dell PowerConnect 2716. I suddenly have no network connectivity with the router any longer. When I plug the network cable that runs from the PowerConnect 2716 into the SG200-08, the link status light will not go on for that port. I am going to be replacing the Dell PowerConnect with a Cisco switch as well, the SG300-10.
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Dec 27, 2012
I just picked up a pair of 18-port SG200s, and I'm trying to figure out of there's some secret trick to getting CLI access to them? I've upgraded to the latest version of firmware (1.2.7.76) hoping that may work, but no luck.I can tell the guts to support a CLI are there, because writing the config out to a TFTP server shows identical an identical config style to the SG500 I have here.Is there some way to enable it?
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May 24, 2011
SG200-08 and SG200-08P fail to hold or update Date/Time.(New installation for a UC320 setup.)I've got both an SG200-08 and SG200-08P that are failing to maintain date/time when set with "Use Local Settings". Every restart/powercycle causes them to reset to Dec 31 1969. Other settings save fine.I first tried to set time via SNTP Unicast using a variety of public time server addresses including the 3 hard coded to the SG200-08 firmware:
Sadly though it always just shows "Active Server Server Host Address: 0.0.0.0" and continues having 12/31/1969 as the date. Both after a config save and a reboot.I can ping the NTP servers just fine from the switches either by IP or by hostname.At this point I've decided that I must be missing something simple. At least I hope so... otherwise it's a firmware bug which means waiting for a fix.Other devices behind the same firewall/gateway (RVS4000) are updating NTP
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Apr 29, 2012
how to connect our new SG200-18 to an existing Cisco network, in particular a C2960S.Here's what I've got:
<----- Rest of network ------- C2960S ----------- SG200 ----- (PC connected directly to the SG200)
On the C2960S-side here's what I've got on the corresponding interface:
interface GigabitEthernet1/0/1
switchport mode trunk
On the SG200-side I've set the IP-address and default-gateway accordingly, however:From the SG200 I can't ping any other host on the same IP-subnet as the switchFrom the SG200 can't ping the default-gatewaycan't ping from any other host or the default-gateway *to* the switch But:On the SG200 I've got plenty of MAC-addresses under "Dynamic Address Table" - however only MAC-addresses that belong to the management-VLAN of the SG200 (i.e. VLAN9 in my case)The MAC-address table on the SG200 even includes the MAC-addresses of hosts on the same VLAN I tried to ping without success. For example: I tried a PING from a host having a MAC-address of 00:19:bb:31:91:30. This MAC shows up in the arp table of the SG200. To cross check I connected a dedicated PC to the SG200 and assign it an IP-address out of the management-LAN-range of the SG200 - in this case I can access the switch (i.e. PING, WEB etc.)So to summarize: Connectivity is OK when going from directly connected devices to the SG200. No connectivity from devices that are behind the C2960S towards the SG200 and vice versa. (The problem is definitely not with the C2960S-side since we've got plenty of them hooked together without problems.) I'm enclosing the screenshots of the corresponding definitions on the SG200.
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Apr 16, 2013
I'm baffled by the poor performance that I'm seeing when passing traffic between my two Cisco SG switches.
The configuration is as basic as I can make it, no VLANs, QoS or bonding. Both have been updated to current firmware as part of the troubleshooting process.
When I transfer data within one of my switches I see 50/60Mb/s. When I pass the same traffic between both switches I see 0.6 Mbs/ or less.
I have tried to eliminate every possible factor including switching out the cables. No success.
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Apr 27, 2013
I have a problem with my SG200, maybe more than one.
I tried to update to 1.3.0.59 this morning. It succeeded and the switch was restarted. After the restart I could no longer log into the switch. I tried to reset the switch but it still will not let me log in. I also tried to log into the switch using the forllowing method but I still cannot log in. I unpluged everything, held the reset for at least 30 seconds, waited 3 minutes, plugged a computer in and set it up to see the switch. All worked there and the login page appeared. It still would not take my login dredentials nor wold it that the default credentials. I has access through the switch but connot configure anything.
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Aug 3, 2012
we just bought a Cisco SG200-18 to replace our Linksys DLM2008 switches. Now we face a problem with remote desktop between our Win7x64 boxes.
Remote access is abysmally slow, but file transfer speeds seem to be normal. All ports are on Gigabit setting, jumbo frames disabled. The switch on the latest firmware.
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Apr 17, 2013
i have a asa5505 and sf300-48,in the sf300 have ip defult-gateway 192.168.1.93 and have internet in vlan2 but vlan 3 not work. ping from "vlan3" to "vlan2" its ok.
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Jun 14, 2011
I use 802.1x to authenticate the company-network devices - authentication works fine. I do not use dynamic V LAN --> static V LAN-config on 802.1x ports --> authenticated devices have access to the network.
Is it possible to use a guest-V LAN? un authenticated devices should connect to an other v lan than authenticated devices.
One more question: Is MAC-authentication also possible?
Switch: SLM2008T V01
Firmware is: 1.0.1.0
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Nov 7, 2011
I have a Dell switch setup with 2 Vlan's. Vlan 1 is to the network. Vlan 20 is going to be for wireless access to the internet. How do I configure the switch/router so that Vlan 20 only connects to the internet and not the network? I will later want to have a 2nd SSID that I want to connect to both the internet and network.
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Aug 3, 2011
I just bought a SG200-18 in order to use LAG between a backup server and multiple computers and servers. Servers are supposed to all use 2 links and computers only 1.
As soon as I activate LAG on port 2 and 3, no matter what is connected on the switch I lose access to the switch interface (luckuly, it's still working on port 17 for a strange reason) and all computers / servers connected are randomly losing the network access. Everyrhing start to be slow but most servers and computers don't lose access to the internet. Browsing a web site will suddenly take ages but... it will work eventualy.
I already used LAG on other switch without a single issue.. The only uplink I have is to the router and I know that I don't have any issue with network cables....
So what am I doing wrong ??? I didn't even try to configure the TEAMING on the servers, just creating LAG on the switch will kill everything Oo.. I'm starting to think that my SG200 is dead out of the box.
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Dec 16, 2012
I have a 1 month old SG200-26P - the green status LED is blinking constantly (> 30 minutes), I cannot access the webGUI, nor is it responding to ping. I have tried resetting via holding reset for > 10 seconds with no effect, the status/activity LEDs are still illuminating against all connected ports, excluding any of the PoE ports which are running a couple of cisco IP phones. I've tried accessing the device via both the static IP I configured, and the default IP.
I have disconnected all ports, then powered on the device, but same results...Do I have a dead switch? Anything I can do other than return for warranty claim which is going to be last resort due holiday period and leaving the customer offline for extended period...
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Mar 18, 2009
I have a 1 month old SG200-26P - the green status LED is blinking constantly (> 30 minutes), I cannot access the webGUI, nor is it responding to ping. I have tried resetting via holding reset for > 10 seconds with no effect, the status/activity LEDs are still illuminating against all connected ports, excluding any of the PoE ports which are running a couple of cisco IP phones. I've tried accessing the device via both the static IP I configured, and the default IP.
I have disconnected all ports, then powered on the device, but same results...
Do I have a dead switch? Anything I can do other than return for warranty claim which is going to be last resort due holiday period and leaving the customer offline for extended period.
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Apr 15, 2011
I went out and bought a linksys 5 port workgroup switch. I tried to hook my internet into it and my other computers into it , THINKING, I would be able to get internet on all. No go. I can get inter net on one, as you can tell. but all others nothing. and to make matters worse i got win 2000, win xp pro, and linux that I like to get online.. I have : renewed IP's assin Ip's refresh, purge dns. rebooted. all and rebooted in diferent orders. double checked connections, tested all lines. The network is on a rj45 ethernet .
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Jun 13, 2011
For test I used 2 Switch that name "ESW X" and "ESW Y" I have 2 network that I named "Network A" and "Network B" I build 2 VLAN for each network that named Vlan 2 for Network A and Vlan 3 for Network B, I don't use Vlan 1 because it's the default Vlan
Configuration ESW X:
port e1 : ACCESS PORT on UNTTAGGED Vlan 2
port e2 : ACCESS PORT on UNTTAGGED Vlan 2
port e3 : ACCESS PORT on UNTTAGGED Vlan 3
port e4 : ACCESS PORT on UNTTAGGED Vlan 3
port g3 : TRUNK PORT with UNTTAGGED Vlan 1(default) and TAGGED Vlan 2 and Vlan 3
[code]....
Each Vlan can't communicate between the two switch, I think they're a problem in my vlan/port configuration?
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Jul 4, 2009
How many VLANs does the ESW 500 switch support?
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Feb 3, 2013
i have a SG300-52 Switch, route mode is enabled, and it is using the latest IOS.I have created 4 Vlans in this switch, till this point its OK, but once i try to give ip addres to the created Vlan either from the GUI or CLI the switch is not responding. i have to go and manually reset the switch using a pin.
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