VLAN support on ESW 500 switch

How many VLANs does the ESW 500 switch support?

The ESW 500 switch supports a max of 256 VLANs and can accomodate upto 8000 MAC addresses in the CAM table.
Note, by default on the POE switches, VLANs 1 (data) and 100 (voice) are enabled while on the non POE switches, only VLAN 1 (data) is enabled.

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VLAN Support at routers and switches

is there a table with howmany VLANs each of cisco routers and switches can support.
its not always written at the product data sheet.

hi
Do find the details for 1800 ISR series router..
802.1Q VLAN
A total of eight VLANs can be configured to segment a network and offer additional security and separation of network traffic.
VLAN Support
802.1Q VLAN supported on all 10/100BASE-T ports
VLAN Configured
8 VLANs
Wireless VLANs
16
7400 series has reached EOL/EOS status hence i couldnt find any datasheet for that model..
regds

ESW 500 Spanning Tree Protocol

Hi:
I have designed my network as Follows:
Cisco Catalyst 3750G Stack as the Core Switches
Cisco ESW 500 Switches as the Edge switches
I am trying to configure Spanning tree on my network with The Core Switches as the root. But i am having a problem with that.
I set the Catalyst 3750 as the root Bridge for all Vlans. But i am having a hard time to configure that on the ESW 500 Switches, as there is no place to configure Per VLAN spanning tree.
Once I configure trunk Ports between the Core and the Edges. The Edge Switches don't consider the the Catalyst 3750G as the root, although it is configured with 0 Periority.
Can you please help me with that?

Hi Mohamed,
Thank you for participating in the Small Business support community. My name is Nico Muselle from Cisco Sofia SBSC.
The reason for this not to work is the following : The ESW switches do not support PVST(+) or PVRST like the 3750G does, on the other hand, they support STP, RSTP, and MSTP (MSTP is not supported on the 3750)
So, keeping this in mind, it will not be possible to implement your STP per vlan. In this scenario however, where you set the 3750 as a root bridge for all VLANs, you could easily use RSTP, which is functional on both 3750 and ESW500 switches.
Hope this helps.
Best regards,
Nico Muselle
Sr. Network Engineer - CCNA

ESW 540 switch issue

Hello,
I have a ESW 540 48 port gigiabit switch. We have had it a year and a half. In the past year it has experienced this cycle of problems:
After a reset, within a week the fans are on full blast. Within less than a month the webgui is gone - not accessable. the switch will still switch, but to do anything to it means it has to be reset completely.
I cannot figure out how to call Cisco support for this, it has a 5 yr warranty which we are well within. I am ok with the hardware replacement but cannot figure out how to arraign that. the Support for cisco is not they type of support structure i am used to, in some cases it talks about contracts but then I cannot find prices or even how it works.
any advice? am i just looking in the wrong places for support or does cisco operate on a diffent model than other tech companies (like Apple or HP) i just am wondering if i should adjust my expectations to less?
yes i am a bit frustrated, i went out on a limb with going to Cisco for the 'best' and our other switch a 520 is also having problems
our old netgear switches worked great for about 5 years until i felt we need to improve them.
please help a clueless IT guy out

Hi Eric, I am sorry to read that you are having difficulties with the ESW 540. Please go to this area we have for the ESW 500 switches: https://supportforums.cisco.com/community/netpro/small-business/sbproductwarranty/proswitchsupport This area has links to the phone numbers to the small business support center in your area as well as a link to do an online chat with an engineer. Regards, Cindy Toy Cisco Small Business Community Manager for Cisco Small Business Products www.cisco.com/go/smallbizsupport

New ESW-540 switch with cold start problems

Hi
A customer of mine is having serious problems with several ESW-500 switches.
He started a discussion under Netpro, but haven't received any answers. This might be the right group?
He wrote:
I have two new esw-540 switches (one 48 port and one 8 port),
which are making unauthorized cold starts and that gives me a lot problems.
(now it is about three switches)
I added:
Hi
My customer needs help with his problem.
Here is some more information:
There are three switches with the samHi
A customer of mine is having serious problems with several ESW-500e problem now, all with the same errormessages from his log
Ciscosw2 ESW-540-48   SN: DNI1452E71E SW Ver. 1.19 Boot Ver.1.0.0.04
Ciscosw3 ESW-540-24   SN: DNI1433E507 SW Ver. 1.19 Boot Ver.1.0.0.04
Ciscosw7 ESW-540-8     SN: CBT15230E9Z SW Ver. 1.1.19 Boot Ver. 1.0.0.07
From ciscosw7:
Nov 11 02:16:03 ciscosw7 %OS-F-MEMORY: OSMEMG_rn_free: Memory magic is invalid
***** FATAL ERROR *****
Reporting Task: BNJR.
Software Version: 2.1.19 (date 14-Jul-2010 time 17:12:34)
0x184e9c
0x182484
0x564110
0x392684
0x395998
0x568630
0x2df10c
0x2df654
0x2e1138
Nov 11 02:17:14 ciscosw7 %INIT-I-Startup: Cold Startup
And he sent me a new errormessage today:
Nov 13 01:38:14 ciscosw5
%SYSLOG-F-OSFATAL:
FATAL ERROR: BNJR: ABORT DATA exception
***** FATAL ERROR *****
SW Version : 2.1.19
Version Date: 14-Jul-2010
Version Time: 13:58:28
Instruction 0x2EFB04
Exception vector       0x10#
Program state register
0x20000013
0x002ef7ac
0x002f0390
0x002f08d8
0x002f23bc
0x00134684
Nov 13 01:39:27 ciscosw5 %INIT-I-Startup: Cold Startup
Need urgent advise...
Thank you!

Hello!
My name is Robert and I am network engineer for the Cisco SBSC. This is the correct place for the ESW500 series.
From the error messages you are seeing, I would recommend to disable the Bonjour service to see if that helps with the reboots. I am currently looking into the error messages you are getting to see if there is a solution. I would recommend giving us a call as well for immediate assistance on the error messages. Below is a link for our support center numbers.
http://www.cisco.com/en/US/support/tsd_cisco_small_business_support_center_contacts.html

Is CE 500 Switch support 802.1q Trunk?

Dear All,
Is Cisco Express 500 switch support 802.1q trunk?
Also, all fastethernet port on CE500 will assign VLAN 10. I would like the switch to allow VLAN 20 and 30 to pass through the trunk? Is it possible?
Thanks.
C.K.

Yesh, set up the port role to switch to make it a trunk.
Unfortunately, the CE500 series switches cannot be managed through a CLI - you have to use CNA.
Hope that helps - pls rate the post if it does.
Paresh

Creating a VLAN on a ESW 520 PoE Switch

Hi,
we have two Catalyst Express 500 switches and a ESW 520 just purchased. the VLAN on the other two is 2. how do I change the Default to be 2 instead of 100 in the ESW Switch.

Hi Prasanga,
Just to clarify, are you trying to change the Voice VLAN, or Management VLAN?
The Voice VLAN by default on the ESW is 100, and Management VLAN is 1.
Thanks!
Dave

How to erase all configuration in Cisco ESW 500 Series Switches

Hi anybody,
Anyone show me how to erase or remove configuration file from ESW 500 Series Switches?
Thanks
Thuc

Hi Thuc,
The restart / reset function will allow for local or remote reset of the the unit to Factory defaults, see screen capture below. ;
Alternatively, the Switch can be reset by inserting a paper clip into the RESET opening on the friont of the switch.
Pressing the manual reset for 0 to 10 seconds only reboots the switch.
Pressing the manual reset for longer than 10 seconds results in the switch being reset to factory defaults.
does this answer your question, not exactly sure it does ?
regards Dave

I want your valuabale opininon on ESW 500 series switches

In my offiec i want to connect 8 accesspoints and 8 smart boad and 8 pcs to a switch the access points are cisco 1240g series and controlled by a wlan controller.
this switch should be connected to a core switch 4507 using fiber.
can i use these esw switches for this

Not sure what you mean by 8 smart boad - can you be more clear on that?
Couple of comments:
- Please note that we recommend the ESW in a Cisco Small Business type deployment with products such as UC500, SR500, AP500. Also, management is via a configuration utility GUI or CCA, not CLI as you would use for the Cisco Catalyst switches. Check this discussion which has a PDF that goes over positioning of the switches- https://www.myciscocommunity.com/message/8385#8385
- Please check the POE requirements you need against the ESW switches - check the question on at Q & A
Q. How many devices can the Cisco ESW 500 Series PoE switches power?

Connecting two cisco ESW 500 series switches.

Hi Experts,
I have a basic knowledge of network and need some help.
I have two cisco ESW 500 series switches and i want to connect them together.
Q1 # Which type of cable i should use to connect these two switches CrossOver or fiber...What is the advantage of using Fiber over CrossOver. ?
Q2 # What are the marked ports in the image used for...???

tech spec,
Traditionally you would use crossover to connect switches. Most modern network devices have Auto-MDIX which allows the device to connect using either crossover or straight through.
The ports on the right can be used for uplink or as regular network ports. On the 10/100 versions the ports on the right are usually Gigabit, thus making them more suitable for uplink to another switch, etc.
Please mark this thread as answered or reply if you have any additional questions.
- Marty

ESW-500 & SPA525G CDP issue

Hi, I have an ESW-500, a SPA525G (also tried 504G), Polycom IP330/670 phones, and a Switchvox (Asterisk-based IP-PBX) and CDP causes some issues.
Both the SPA5xx and Polycom phones support CDP but it appears to operate differently between the phones. And, surprisingly, worst of all on the SPA's.
In short:
* Switch - CDP enabled (VLAN 100), DHCP disabled (Option 82 enabled) which is basically how it comes out of the box
* Polycom phones - CDP enabled (default)
* Cisco phones - CDP enabled (default)
* DHCP/TFTP server on port 1
* Phones on ports 7,15,19 - default as smartports for Desktop & Phone
* Switchvox on port 17 - port configured as General (not Trunk) with 1U & 100U VLANs. This was required to get Polycom phones to appear in Switchvox config
With that configuration the Polycom phones work perfectly. They appear in the switch web-GUI under CDP, they present in Switchvox and can be configured.
But with that configuration although the Cisco phones appear in the CDP screen they do not get DHCP. My DHCP server can see 'DHCP Discover' messages but it just goes around in circles. Disabling CDP on the switch will allow the phone to get an IP but disabling CDP on the phone still has the same problem. When I saw "around in circles" this is what I mean....
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:25:84:06:12:46 [10/08 13:51:27.031]
DHCP: proposed address 192.168.100.16 [10/08 13:51:29.000]
4064 Request 2 not processed [10/08 13:51:29.062]
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:25:84:06:12:46 [10/08 13:51:30.093]
DHCP: proposed address 192.168.100.16 [10/08 13:51:31.593]
4064 Request 2 not processed [10/08 13:51:31.656]
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:25:84:06:12:46 [10/08 13:51:56.125]
DHCP: proposed address 192.168.100.16 [10/08 13:51:58.000]
4064 Request 2 not processed [10/08 13:51:58.062]
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:25:84:06:12:46 [10/08 13:51:58.171]
DHCP: proposed address 192.168.100.16 [10/08 13:51:59.671]
4064 Request 2 not processed [10/08 13:51:59.734]
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:25:84:06:12:46 [10/08 13:52:01.234]
DHCP: proposed address 192.168.100.16 [10/08 13:52:02.734]
4064 Request 2 not processed [10/08 13:52:02.796]
Polycom phones show the following....
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:04:F2:1E:9E:DE [10/08 13:54:54.656]
DHCP: proposed address 192.168.100.12 [10/08 13:54:57.000]
4064 Request 2 not processed [10/08 13:54:57.062]
Rcvd DHCP Rqst Msg for IP 0.0.0.0, Mac 00:04:F2:1E:9E:DE [10/08 13:54:58.000]
Previously allocated address 192.168.100.12 acked [10/08 13:54:59.500]
4064 Request 2 not processed [10/08 13:54:59.562]
Rcvd DHCP inform Msg for IP 192.168.100.12, Mac 00:04:F2:1E:9E:DE [10/08 13:55:00.000]
Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:04:F2:1E:9E:DE [10/08 13:55:22.187]
DHCP: proposed address 192.168.100.12 [10/08 13:55:23.687]
4064 Request 2 not processed [10/08 13:55:23.750]
Rcvd DHCP Rqst Msg for IP 0.0.0.0, Mac 00:04:F2:1E:9E:DE [10/08 13:55:24.687]
Previously allocated address 192.168.100.12 acked [10/08 13:55:26.187]
4064 Request 2 not processed [10/08 13:55:26.250]
Rcvd DHCP inform Msg for IP 192.168.100.12, Mac 00:04:F2:1E:9E:DE [10/08 13:55:26.687]
With the difference being there's a 'DHCP Inform Msg' which there never is from the Cisco.
I have tried many options regarding DHCP Relay, DHCP Server addresses, DHCP VLAN Interfaces, smartport settings etc but with CDP enabled the Cisco phone just will not get DHCP.
Any ideas why not?

Yes, You will run into this problem due to CDP.
Easier way to fix this is to Turn off CDP in ESW 500.
Go into Cisco ESW 500 (While SPA Phone is not connected)
On the left side:
Monitor & Device Properties
SNMP and Than CDP
You will notice CDP (Cisco Discovery Protocol) is enable and routing all Voice Traffic to VLAN 100
You can turn off CDP and your SPA will start working with ESW 500.
Or
You will need to properly configure and route the VLAN traffic.

Multiple VLANs per SSID with local switch

Is it possible to use an 'AP Group' or 'Interface group' to assign multiple VLANs to a WLAN when remote, h-reap APs are in local switch mode?
If not, is there a way to overcome 500 maximum host per VLAN when APs are local switching?
Thanks!

dont think its possible...
I donno if the following config will even work but u can have the hreap APs connected at the remote site to map to different vlans...
Example:
AP1 -- ssid 1 --- vlan 10
AP2 -- said 1 --- vlan 11 and so forth..
Sounds crazy but i ll have to ponder on this a bit more.. Need a pen and paper to draw a quick topology :)...
Sent from Cisco Technical Support iPhone App

Dynamic VLAN assignment and Layer 3 switching on 300 series

I have a SG300-28P switch. I just read in the Administration Guide that, when in Layer 3 mode, the switch doesn't support MAC-based VLAN or Dynamic VLAN Assignment.
So, in order to assign a client to a VLAN based on their MAC or based on the response of a RADIUS server, we have to disable layer 3 features. Without layer 3 switching, the switch is unable to act as a default gateway and forward packets between VLANs. As a result, the VLANs can't communicate in any way, or access the internet, unless a separate router is connected to every VLAN. Right?
I'm new to VLAN configuration and layer 3 switching so I wanted to check my understanding. Doesn't this limitation significantly reduce the usefulness of the DVA feature?
I may well be confused and missing something regarding how this is typically used..

Hello Glenn,
Your concept about packet forwarding is correct. With a layer 2 switch, there must be something directing traffic with multiple subnets for intervlan communication or something that provides an IP route to give the request a path back for the request.
The usefulness for the DVA feature, is not particularly limited to the switch as the switch will correctly assign the VLAN for you, as VS the L3 switch mode, you're dealing with IP addresses. In any scenario, you're going to require a router to get to the internet since the switch does not support NAT.
Additionally, if you're router does not support VLAN, the L3 switch feature would still be the solution since you should be able to make a static route pointing back to the switch to allow any subnet to traverse the single media. It would still beg the question, how to assign VLAN dynamically.
The answer, although (in my opinion is terrible) would be GVRP. But, this application would require ALL of your network cards to be GVRP Enable / Capable which most likely is not the scenario for you (or most anyone else for that matter).

VLAN Support On Routers

I recently bought an 851 only to find out afterwards that it only supports 1 VLAN when I needed it to support at least 7. The documentation on VLAN support seemed pretty buried.
Does anyone know if there is an easy way to find out how many VLANs each router model supports? I dont' want to make the same mistake again, and I can't seem to find what I'm looking for by combing through the data sheets for each model.
Thanks!
Sorry, I meant to post this in the routing and switching forum and I can't figure out how to delete the thread.

Hi
A maximum of four VLANs are supported on the Cisco 870 Series with the plus feature set (Advanced IP Services/Advanced Enterprise Services) Cisco IOS. The Cisco 850 Series only supports one 802.1q VLAN.
See this link http://www.cisco.com/en/US/products/hw/routers/ps380/products_qanda_item0900aecd8028a982.shtml

Passing Voice VLAN through a non-Cisco switch

Hi All,
Will a non-Cisco switch (no 802.1q support) that is putted beetween Cisco IP Telephone and Cisco Catalyst switch (which is configured with auxilary Voice Vlan) pass voice vlan frames and CDP?

Any switch should pass on either ISL(which is cisco properitary and hence not supported on non-Cisco) or IEEE 802.1Q frames or else it cannot support voice vlan support . And non-Cisco switches do not support CDP as it is once again Cisco proprietary protocol.

VLAN support on ESW 500 switch

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