Cisco Switches :: Ip Routing Command On SG300 Switch?

Feb 8, 2013

What does "ip routing" do on the CLI on the SG300? When I do this, I see it enables ip forwarding, but there is no mention of this in the CLI manual.  I'm just trying to figure out what I would use this for, and if I should leave it enabled, or disable it. I have several different SG300 switches in L3 mode, and they are set up in a multi-vlan environment...

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Cisco Switches :: Routing Between Two Vlans On An SG300 Series Switch

Oct 22, 2011

I've seen lots of posts from people having problems routing traffic between two vlans with some complicated examples.  Any simple step-by-step example for an SG300 switch (in layer 3 mode) to configure two vlans and sending traffic between the two vlans without an external router?
 
-VLAN1 10.10.10.0
-VLAN2 10.10.20.0
 
I've tried to do this through the GUI and can't seem to make it work. I'm missing something in the GUI.

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Cisco Switches :: SG300 - 10 Lcli Command / Local Configuration

Aug 25, 2011

Previously srw2008 switches are used, now Cisco sg300-10 models was obtained. It does not work with ctrl-Z command to enter the local Config (lcli). What is the correct command? 

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Cisco Switches :: VTP And STP On SG300-28 Switch

May 9, 2011

I have a question, does the SG300-28 support VTP and STP?. I want to add it to my network's VTP domain so I don't have to manage vlans manually on the SG300-28 and also be able to configure STP to keep my network loop free.

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Cisco Switches :: LAG Configuration On SG300 52 Switch?

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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Cisco Switches :: SG300 Can PC Manage Switch And Get Data From It

Oct 12, 2011

Mgmt Vlan 1 (default) Data VLan 10 (with access to internet) Is there a way to have a PC attached to a SG300 switch such that it can both access Vlan 10 for data and Vlan 1 for managment ? The PC's port clearly needs to be untagged PVID on vlan 10. I have tried adding vlan 1T and setting the port as a trunk port but to no avail, The switch is currently level 2. I am guessing this might not be possible in level 2 without setting the mgmt vlan to 10 ?.

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Cisco Switches :: Ip Address To Vlan In SG300 Switch

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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Cisco Switches :: Set Up New SG300-52 L3 Switch For Switching And Vlan

Mar 4, 2012

i was trying to set up a new SG300-52 L3 switch for switching and Vlan. The problem is that the vlans on this switch cannot get their DNS resolved. Probably a stupid thing i can't get to see, but i think it is a simple solution given switchin is not my expertise.So my setup:

- ISP Wan router: LAN ip 10.0.0.1, DMZ: 10.0.0.2 -> i have to use this router for ISP support. But it suckes, that's why we use own router for firewall, port forwarding etc.
 
- Nice Router: WAN: 10.0.0.2, LAN: 192.168.1.1
 
- SG300 L3 switch

This works. I can ping switch, nice router, ISP router and google's ip from VLAN 5.But i cannot ping google using host name. From within SG300 i can. So it has something to do with SG300 not doing DNS right.My Client on VLAN 5 has ip 10.1.1.5 / 24, default gateway and dns pointing to switch: 10.1.1.1.I have put an entry in DNS servers in SG300: 192.168.1.1 active (pointing to Nice router). On client leave default gateway pointing to switch. But put DNS server : 192.168.1.1

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Cisco Switches :: SG300 Switch - Device Swamped

Oct 10, 2011

I have a recently purchased 28 port SG300 switch. Everything is working well. Unfortunately there is so much traffic flying around that a 10MB half duplex device is struggling to function as it is overloaded. Removing some of the sources of traffic fixes it.

Fortunately I only need to access that device from one PC on the network. That PC however needs to access everything else on the network.

Is there a simple way to shield the slow device from everything except traffic from the PC ?

The switch is in Level2 mode at the moment. Everything is on a single sub net.

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Cisco Switches :: SG300 Switch 2 Separate Networks

Sep 1, 2011

We have 2 separate networks here, 1 for data (192.168.0.x) and 1 for VOIP phones (192.168.3.x).
 
I need them to both be connected to different ports on a switch (Cisco SG 300 10 port managed switch) which is then linked to another switch (Cisco Catalyst 2960 48 port switch). Then on this 2960 switch I want the link to be split back into the 2 separate networks. I think that I need to create 2 separate VLANs and assign them to different ports.

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Cisco Switches :: System LED On SG300 Switch Constantly Flashes

Jan 18, 2013

My problem is that the switch all of the sudden doesn't boot up anymore. The System LED constantly flashes, after probably 40-50 seconds or so it constantly lights for a second, afterwards all the lights on the ethernet ports light up for a second and the process starts all over again! The console messages:
 
Device configuration:Slot 1 - SG300-10PDevice 0: GT_98DX3033B (AlleyCat2)
-------------------------------------- Unit Standalone                --------------------------------------
Tapi Version: v1.9.5Core Version: v1.9.519-Jul-2012 17:55:03 %INIT-I-InitCompleted:

[Code].....

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Cisco Switches :: SG300 Stacking And Powered From POE By Upstream Switch?

Sep 11, 2012

I discovered on a pair of SG300-28P.
  
On a second switch (ver 1.2.7.76) when I unplugged the power cord, to my amazement the switch turned right back on (about 1 second later), with the power cord removed. To verify that the power is indeed coming from POE, the upstream switch (ver 1.1.2.0) that is the same model (sg-300-28p), shows all 7 Ethernet ports connecting the two drawing from 2700mW, to 3000mW.
  
While the second switch is powered from the first over POE, the POE does not work on the second switch to power anything, and the system summary mentions something about "PoE Power Information on Master Unit".
 
Is this a stacking operation, and is POE on the second switch NOT supposed to work when powered over Ethernet from an upstream switch?

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Cisco Switches :: SG300 / Locating Connected Upstream Switch?

Apr 28, 2013

I have inherited a custome with a bunch of SG300's in their LAN room and one out in the warehouse.I need to setup a VLAN and the genius before me did not label which LAN room switch the warehouse unit plugs into. Is there a tool/method I can use to find which switch, and port this warehouse switch is connected to?

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Cisco Switches :: Getting DHCP Relay To Function Properly On SG300-20 Switch

Dec 5, 2012

I am having some issues with getting DHCP Relay to fuction properly over our SG300-20 Switch.Out current layout is as follows. Hanging off the SG300-20 are a pair of Clustered Checkpoint Gateways with VLAN'ed interfaces in Both of our 2 VLANs, a 3COM 4200G In VLAN1 which has the DHCP server (And all the other Servers) connected to it, and a Pair of HP Procurve 2520's Stacked in VLAN 2 to provide PoE for our Phones/connectivity for our PCs.The problem is I cannot get the DHCP Relay to fuction from VLAN 1 to VLAN 2. If I assign an address in VLAN 2 manually to a device connected to the Procurves, everything works fine. I am able to reach both VLAN 1 and VLAN 2, but DHCP aquisition fails even if the device is connected directly to a port assigned to VLAN 2 on the SG300. The SG300 is running at Layer 3 currently also.
 
Here is a copy of the running config:
--------------------------------------------------------------------------------------------------------------
switch4db24f#show running-config
vlan database
vlan 2
exit
interface range  gi8,gi16
switchport default-vlan tagged

[code]....

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Cisco Switches :: Can SG300 Connect With Catalyst Switch On PVST+ Mode

Aug 30, 2011

Our customer use catalyst switch that spanning tree be PVST+ mode.I take SG300 connect with this catalyst switch.Does it support ?If it support,how to config on SG 300 ?

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Cisco Switches :: SG300 Correct Configuration For Redundant Link Between Two Switch

Mar 9, 2012

I have two switch SG300-10 that need to be interconnect togheter with a simple redundant "cable fail safe" configuration.My idea is use the two uplink copper port of the first switch, connected to the two uplink copper port of the second switch.

How to create a working setup configuration? The first setup that i need, is with only one VLAN1 for all ports,
 
The second setup is with the VLAN1 assigned to the ports 1-2-3-4 of all the two switch, (linked togheter by uplink ports)
and the VLAN2 assigned to the ports 5-6-7-8 always linked togheter with the same uplink ports.
 
Is possible use the two uplink port at the same time, as cable fail safe? or use a uplink port 1 for the first group and the second uplink port for second group?
 
I need to use this configuration for audio cobranet transport, and i need to test the correct configuration for the primary and secondary audio stream, if can work togheter on the same VLAN or i need to separate the two stream, from start to the end.

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Cisco Switches :: SF 200-48P / How To Add IP Address Helper Command To Switch

Feb 5, 2012

I am trouble shooting a SF 200-48P and I am a bit lost without a CLI not used to the GUI. What I need to know is how to add the IP address helper command to the switch?I have a number of IP phones which are not getting an IP address from DHCP (PCs which are diasy chained off the phones are all working correctly). On the higher end switches I would have added the IP address helper command to the VLAN and that would have sorted it. How to do this on the small business switch.

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Cisco Switches :: Configure Port To Connect SG300 To 3com Unmanage Switch?

Apr 1, 2012

I have my network with severals SG300 switches.I have one of them like my core switch working in layer 3 mode. With 2 vlans and vlan interfaces to each vlan.Everything is working ok.But now i have to connect one 3com unmanage switch that have host from vlan 1 and 2. How should i connect this switch to my Cisco sg300 switch?

[code]...

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Cisco Switching/Routing :: What Is The Use Of No Switch Port Command In L3 Switch

Dec 28, 2008

what is the use of no switch port command in L3 switch?

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Cisco Switches :: SG300-28 GUI Different Than Online SG300-48 Simulator

Aug 29, 2011

These are our first switches and seems like GUI is lot different than the online. Out intervlan routing is o not working. I am absolutely sure that I setup the switch in L3 mode since it allows me to create mutiple interfaces. I am hoping that this GUI issue is related to interVLAN routing.
 
Below is the blog I started for InterVlan issue [URL]
 
This is the link for online simulator and what I see in its IP tab. I know this switch is not SG300. [URL]
 
This is what I see on our switch.
 
Our switch version
switchd64684#show version                                                                                                                                              
SW version    1.1.0.73 ( date  19-Jun-2011 time  18:10:49 )
Boot version    1.0.0.4 ( date  08-Apr-2010 time  16:37:57 )
HW version    V01

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Cisco Switches :: SG300-28P And SG300-52 Web Managing - Fans

May 26, 2011

1) I have a Cisco SG300-28P. I plan to add a SG300-52. Would it be possible to manage the new switch through the SG300-28P web browser ?

2) There are 2 fans in the POE model SG300-28P. How many fans are they in the non POE switch SG300-52 ?

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Cisco Switching/Routing :: Inter-VLAN Routing Using 877 And SG300-10 Switch

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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Cisco Switches :: SG300 Vlan Routing

Mar 31, 2012

We have recently purchased a SG300 to break up our network which most consists of virtual machines via Bridged networking on network machines. I have created successfully Vlans and the physical machines are capable of communicating across the different subnets that I have created via the SG300 however the Virtual machines can no longer be reached.

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Cisco Switches :: SG300-28 Uplink To Another SG300-28?

Feb 8, 2012

Can I connect a single Cat5e cable between two SG300-28 and link them?  If so what must I configure?

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Cisco Switches :: Difference Between SG300-28P And SG300-52

Jul 25, 2012

I have SG300-28P that I am using as layer-3 switch. Recently I ran in to SG300-52 switch and even though loading same firmware doesn't give me option to do layer-3 switching. For SG-300 I see options in GUI to create vlan interfaces under IP information section, while SG300-52 has IP information option only under the management section.let me know if these are 2 different hardware types and L3 is not possible on SG300-52. If its possible to enable L3 switching on SG300-52?

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Cisco Switches :: SG300-10 - How To Set Up Inter VLAN Routing

Jun 6, 2012

I have a connection on IP 192.168.1.21, Subnet 255.255.255.0 - this is on the default VLAN1 on the switch. I need to route this to IP 10.0.3.101, Subnet 255.255.252.0 - which is set up on VLAN2 on the switch. I have set the switch to Layer 3 via console.
 
how I setup this route? I am use the Browser based interface.

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Cisco Switches :: SG300 28 Intervlan Routing Not Working?

Aug 28, 2011

I setup switch in layer 3 mode. I have a access port in vlan 10 and a access port in vlan 20. I am able to ping form vlan 10 client to vlan20 default gateway (192.168.20.1) I am able to ping form vlan 20 client to vlan10 default gateway (192.168.10.1) However, I am unable to ping from vlan 10 to vlan 20 client. If both the ports are in same vlan, then clients are able to ping each other. Proxy Arp in enabled.

vlan 10 client ip info
192.168.10.10
255.255.254.

[Code].....

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Cisco Switches :: SG300 / ASA 5505 Intervlan Routing?

Oct 17, 2012

I have an issue with correctly configuring sg300 layer 3 switch behind ASA 5505 (incl Security Plus License) The setup is as follows:
 
CISCO SG300 is configured as a Layer 3 Switch
 
Native VLAN 1: ip address 192.168.1.254, default route (inside interface ASA 192.168.1.1)
 
Extra VLANs on Switch defined
 
VLAN 100 with 192.168.100.0/24, default gateway 192.168.100.254
VLAN 110 with 192.168.110.0/24, default gateway 192.168.110.254
VLAN 120 with 172.16.0.0/16, default gateway 172.16.10.254
 
From the different VLANS(100,110,120)  I am able to connect to all devices in the other VLANS (except for Native VLAN 1; it's not pingable)From switch cli I can ping my firewall (192.168.1.1) and all other vlan gateways and vlan devices (VLAN1,100,110,120) From asa cli I can only ping my switch port (192.168.1.254), but no other devices in the other VLANs.
 
What do I need to change or setup in the switch or asa configuration in order for the other vlans to access the Internet through the ASA. I will not use the ASA as intervlan routing device, because the switch is doing htis for meI tried changing the asa int e0/1 into trunkport (uplink port on switch also), to allow all vlans, but as soon as I do that I cannot ping to 192.168.1.254 from ASA cli anymore.

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Cisco Switches :: SG300 In Layer 3 For Routing Over MetroE

May 12, 2013

I have a project I am working on that will require routing over a MetroE circuit to connect a few sites together back to HQ. Although, I know this can be accomplished several ways, I have come up with a solution that I think will work, but would like you all's input as to whether this is adequate and if my thoughts on how to properly "organize" the network are right.
 
I have been working with the SG300 line in Layer 3 mode and have not had any issues in a test setup I have here in the office. Basically my thought is to have a single VLAN/subnet allocated for each physical site. That will handle the basic interoffice connectivity etc. I also have a need to prioritize voice/video traffic throughout the entire network. My plan was to create an additional VLAN/subnet to house the teleconferencing equipment. Thats pretty much the jist of the setup. My only question is how to properly prioritize the voice/video VLAN.

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Cisco Switches :: SG300 10 Layer3 And InterVLAN Routing

Apr 25, 2011

I'm trying to get the following running.
 
I have 4 Subnets
VLAN 1       172.20.0.0/16        with the default GW 172.20.200.254
VLAN 10     192.168.10.0/24     with the default GW 192.168.10.2
VLAN 59     192.168.59.0/24     with the default GW 192.168.59.254
VLAN 130   192.168.130.0/24   with the default GW 192.168.130.254
[Code]....
 
With absolutly the same settings I did this with an HP E4200-12G L3 Switch (which is now doing the job) so there is no routing mistake in the other components.For me it looks like, the SG300 doesn't like to be NOT the default gateway.

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Cisco Switches :: SG300-28P Multicast (IGMP) And Routing

Dec 11, 2012

A brief background on the setup: I recently switched out my switch.  It was a Cisco 3750 10/100 switch and I wanted to upgrade to Gig.  The cost of a Gig+POE 3750 is too much to bite so I opted for the SG300.  My router is a Cisco 891.  Here is the setup:
 
Cisco 891:
two SVI's: vlan1 and vlan 100
Vlan1 = 10.0.1.1/24

[Code].....

With the 891+3750, I was able to add "ip pim sparse-dense-mode" on all the SVI's and hosts could join any multicast group, irregardless of which vlan the host was a member of.
 
Now I've changed switches, and I dont get the same love.  I have the PIM statement on both SVI's on the 891, but Im unsure of what I need to configure on the SG300.  I have enabled "Bridge multicast filtering" + "IGMP snooping".  What can I do to get similar functionality using the SG300 + 891?  I assume this is my lack of understanding IGMP in general, but was able to get away with it using the PIM statements on the 891+3750 stack.

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Cisco Switches :: Configure SG300 Intervlan Routing?

Apr 18, 2011

Some tips and trick on how to configure and sg300 for intervlan routing.
 
I already have the switch set up for layer 3 I already set up multiple vlans and each vlan has a ip interface setup with the desired subnet I see the local routes set up in the static routing page.
  
I cannot seem to get from one subnet/vlan (I am using one subnet for each VLAN) to the next.

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Cisco Switches :: SG300 VLANs - Routing And ACLs

Jan 20, 2013

I have a SG300-28P that is our Main VLAN Switch. Though the VLANs that I have on it are there mostly because of our Edge Router and our AP541Ns.We have the Following VLANs defined (Subnets Changed to conseal Piblic IPs) [code]
 
VLAN200  and VLAN201 come into Our Edge Router and out on a Single GE Port via VLAN Tagged to thje SG300.The SG 300 Splits them out to Untagged Ports and they are connected to Two Firewalls, each with a IP in the 200 and 201 Subnets. The AP510 has the VLAN200, VLAN192 and VLA101 tagged Subnets sent to it. The AP521 has three SSID, each associated with a Paticular VLAN.
 
This all works fine, though there are a few hidden flaws.   Since all of the VLANs are present, both Internal and Public IPs, one could craft packets form one network and use the SG300 as its gateway to the other subnet and Gain Access. How can I isolate the Subnets, so that I can still use the SG300 as a Default Gateway for the 10.1.0.0/16 Network Make it so if someone from the 10.1.0.0/16 netwok accesses the 201.201.201.0/24 Subnet it uses the SG300's 0.0.0.0 0.0.0.0 default router (the Firewall IP) and not the VLAN InterfaceIf somone in the 201, 200, 192 Subnets uses the SG300 as a Gateway and tries to access a 10.1.0.0/16 address it gets blocked.

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