CAM-Table over SNMP(ESW-520-48P)

Hi everyone,
I could need some help with our Cisco ESW-520-48P Switches. I want to read the CAM-Table over SNMP and assign each interface the appropiate client device. The problem is that I don't really know how to achive that. I've tested some different MIBs but I can't get the infos which I need.
Thank you very much in forward!

I need to decide on few things
regarding this switch before recommending this switch to my customer. I
have the following questions that i need some expert advice.
Questions
1.)
Does this switch support POE 15.4W on all 48 10/100 ports
(ESW-520-48P-K9). The total power rating of this switch is only 370W
and if this divided with 48 ports, each port can only drive 7W. So thus
the confusion.
2.) Can the ESW Series be Monitored and Managed using Ciscoworks LMS?
3.) Is MGBSX1 compatible with GLC-SX-MM
Thanks.
Hi,
Please see the attached document for your queries !!
Hope to Help !!
Ganesh.H
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Small Business- ESW-520-48P-K9

I need to decide on few things regarding this switch before recommending this switch to my customer. I have the following questions that i need some expert advice.
Questions
1.) Does this switch support POE 15.4W on all 48 10/100 ports (ESW-520-48P-K9). The total power rating of this switch is only 370W and if this divided with 48 ports, each port can only drive 7W. So thus the confusion.
2.)
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Can the ESW Series be Monitored and Managed using Ciscoworks LMS?
3.) Is MGBSX1 compatible with GLC-SX-MM
Thanks.

I need to decide on few things
regarding this switch before recommending this switch to my customer. I
have the following questions that i need some expert advice.
Questions
1.)
Does this switch support POE 15.4W on all 48 10/100 ports
(ESW-520-48P-K9). The total power rating of this switch is only 370W
and if this divided with 48 ports, each port can only drive 7W. So thus
the confusion.
2.) Can the ESW Series be Monitored and Managed using Ciscoworks LMS?
3.) Is MGBSX1 compatible with GLC-SX-MM
Thanks.
Hi,
Please see the attached document for your queries !!
Hope to Help !!
Ganesh.H
Remember to rate the helpful post

ESW 520 give priority to IP addresses

I've got a LAN with private IPs for the computers, and public, static IPs for the VoIP phones. They are a Hosted VoIP provider, and I want to give priority to the public IPs with my ESW-520-48P switch. How do I implement that in this switch?
I have no roles assigned on the ports and no VLANs setup either. I had tried segregating the VLANs first, but eliminated that route. It's all VLAN 1 now in the switch again. For some reason when I implemented VLAN 100 for voice, voice stopped working on the phones, but data was still fine.

Hi netguy,
QOS by rewriting the DSCP (Differentiated Services Code Point) of a IP phone range by;
1. creating a ACL that specifies the IP range with reverse masking
2. Attaching that ACL to a advanced Class MAP and then
3. attach a class map to a QOS policy table that is configured to set the DSCP to a new value
4. attaching a QOS policy to a interface
5 But you have a default Advanced QOS configuration already in place, so that has to be modified or deleted.
It's tough if you have never played with Advanced QOS before or understand the last five statements.
I guess your hosted IP phones have DSCP (Differentiated Services Code Point) settings already set on the IP phones or settings that you can set directly to each IP phone ?
If that is possible, why not just put the switch into basic QOS mode and then tell the switch to trust DSCP.
That's far the easiest thing to do.
regards Dave

Support for WRT610N for ESW-520-24P-K9

Hi to whom may concern,
Can the following switches (ESW-520-24P-K9) x3 & ESW-520-48P-K9 able to support inline power for 74 x WRT610N ?
Thanks

Hello batumibatumi,
The ESW series does not have supported CLI feature. If you are looking for a CLI supported switch, please look into our Sx300 series.

ESW 520 ARP Inspection Problem

Hello,
I have observed strange behavior on ESW 520 switches, with ARP Inspection operation. ARP inspection is configured with static ip to mac bindings, and it work.Problem is with logs, switch generates tons of ARP inspection logs, during network normal operation, but network endpoints are working well. These logs are same witch are generated during ARP poisoning in network. This operation was observed in older and new firmware.
Here is sample log:
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e9 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:5a:85:2e SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.18
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e1 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:03 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.16
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e6 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:19:85:26 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.15
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e1 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:03 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.16
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e9 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:12:85:2e SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.18
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e5 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:10 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.10
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e6 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:11:85:26 SRC I
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.1
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e5 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:10 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.10
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e8 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:14:85:0c SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.14
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e3 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:3f SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.12
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e8 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:51:85:0c SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.14
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e5 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:80:f5:10 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.10
Informational %ARPINSP-I-PCKTLOG: ARP packet dropped
from port e6 with VLAN tag 10 and reason: packet verification failed SRC MAC 13:71:05:57:85:26 SRC IP
0.0.0.0 DST MAC 00 :00:00:00:00:00 DST IP 10.0.10.15
It seems switch dont like ARP request which are going to local network addresses., but in that vlan all host can communicate which each other.
Do you have any idea what can be the problem ?

Hi ngtransge,
I will first come to say I do not know the answer. But, I will suspect the log entries are indicating a MAC address that arrived on the interface that did not recognize the IP or MAC address. If the MAC or IP is not found in the inspection list, it would revert to the DHCP snooping table if that is enabled.
I would suspect these entries are coming from an untrusted interface then goes through validation.
Can you show the trusted interfaces and the MAC bindings?
Are the MAC addresses on the log entry meaningful to you in any way?
Are those MAC addresses supposed to be going to a particular destination? Or conversely, are the MAC addresses supposed to be seen on an untrusted interface?
-Tom

ESW-520-24-K9 supperted SFPs

Hello,
I am interesting is ESW-520-24-K9 switche supports GLC-LH-SM SFP ?
In official data sheet there is no information about that. Some guys out there were speaking that it is supported and I am interesting if it is true ?

I hate the idea of running 9um single mode SFP on a multimodal cable 50 or 62.5th fiber core.
I have never used it , but I would guess if you must run SM SFP over MM fiber, there may be a mode conditioning cable to allow that mating.
I have seen within Cisco the mention of using SM SFP over multimode. I am unconvinced by that application.
I personally will not validate running SM SFP over a MM cable. My colleagues may disagree.
I welcome any input to your application from other folks on the community.
Regards dave

How do I run a table over multiple pages?

Hi I write TV scripts using a simple two column table which can be many rows long - how can I get Pages to automatically run the table over multiple pages whilst still allowing me to cut and paste and rearrange the script? This is simple in Word and must work in pages but I can't work out how to get it to work. I've tried looking at the Page Break feature but it won't come up from the table?
many thanks

At this time, There is no way to drive tables in Pages with AppleScript.
Do your job in Numbers which allow that.
Yvan KOENIG (from FRANCE vendredi 6 février 2009 13:54:35)

How to get the number of routes in MLS L3SW table with SNMP

Hello experts,
Is there any way to get the number of routes in the MLS-hardware Layer 3-switching table with SNMP, like with CLI command "show mls cef summary"?
If possible, please let me know the OID and which MIB do I use.
[e.g.]
#show mls cef summary
Total routes: 400000
<omit>
====
Device : C6509E
IOS : s72033-advipservicesk9_wan-mz.122-33.SXH3a.bin
====
Thank you,

function buttonClick()
var table = profileTable;
var lnRow = table.rows.length;
var insertedRow = table.insertRow(parseFloat(lnRow));
var cell1 = insertedRow.insertCell();
cell1.innerHTML ="<tr><td><Input type=\"hidden\" >>>name=\"rowNum\" value="+cnt"+></td></tr>";
document.profileform.submit;
on submit it goes to the second page, but the value i got using >>>System.out.println("row number from text >>>box"+request.getParameter("rowNum")); is null. What is wrong with >>>my coding. Can anyone solve this.HI carry
Check the value of bold data
function buttonClick()
var table = profileTable;
var lnRow = table.rows.length;
var insertedRow = table.insertRow(parseFloat(lnRow));var cnt=inRow
var cell1 = insertedRow.insertCell();
cell1.innerHTML ="<tr><td><Input type=\"hidden\" >>>name=\"rowNum\" value="+cnt+"></td></tr>";
document.profileform.submit;
}try with it

Unable to remove Static Drop entry | 2960 Cam Table

Hi all,
I am facing a strange issue here on a production switch (Cisco 2960 IOS 12.2(55)SE5)
I have the following entry in my cam table:
switch#show mac add int gi0/10
          Mac Address Table
Vlan    Mac Address       Type        Ports
123    1234.1234.1234 STATIC      Drop
Although this mac-id has not been statically entered in any way it shows up as static and I can't remove it. I tried all possible clear commands without success. As a last step I reset the interface to the default empty config just configuring it as access port in an office vlan.
I am trying to avoid having to reload the switch to clear the related memory as this generates downtime. Has anyone ever faced such an issue and can advise me?
Logs:
switch#show mac add add 1234.1234.1234
          Mac Address Table
Vlan    Mac Address       Type        Ports
123    1234.1234.1234    STATIC      Drop <-- note the "interface"
Total Mac Addresses for this criterion: 1
Current configuration : 47 bytes
interface GigabitEthernet0/10
shutdown
end
switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
switch(config)#int gi0/10
switch(config-if)#sw mod ac
switch(config-if)#sw ac vl 123
switch(config-if)#no sh
switch(config-if)#do sh mac add int gi0/10
          Mac Address Table
Vlan    Mac Address       Type        Ports
123    1234.1234.1234    STATIC      Drop
Total Mac Addresses for this criterion: 1
switch(config)#clear mac address-table static 1234.1234.1234 vlan 123 drop
MAC address could not be removed.
Address is not user configured
switch#clear mac add dynamic address 1234.1234.1234
switch#sh mac add add 1234.1234.1234
          Mac Address Table
Vlan    Mac Address       Type        Ports
123    1234.1234.1234    STATIC      Drop
Total Mac Addresses for this criterion: 1

Hi Umesh,
Of course there is nothing with this mac in the config. That was like the first thing that has been checked. There was dot1x running on this and all the other ports which of course has been disabled and cleared accordingly.
The problem is that there is some sort of cam table holding the Drop entries and although it should the memory is not being freed up when using the commands according to the documentation.
This is definitely a question for an IOS geek or someone who already had a similar issue once. If I open a TAC case they will tell me to reboot so the only hope is really someone who had this issue already once and resolved it without reboot.
Anyone with experience in this?

Issue while accessing a SQL Server table over OTG

Hi,
I have been learning oracle for about 1.5 years and am just starting to learn some OTG pieces. I am wondering about an issue. The issue is:
"We need help with an issue we are having while accessing a SQL Server table over OTG. We are getting the following error message in Oracle :
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[Oracle][ODBC SQL Server Driver]Unicode conversion failed {HY000}
The column it is failing on is "-----------" in the view --------------- in the SQL Server database pointed to by the Oracle DB Link ------------------- thats created in the Oracle instances ---- and -----.
This was working before, but is now failing, we suspect its due to new multi-byte data being added to the base table in the above column."
I took out the details and added ---- instead. I am wondering your guys thoughts on fixing this issue and helping me learn along the way. Thanks

Hi Mike,
Thanks for the response, here are the details:
1. What is the character set of the Oracle RDBMS being used. What is returned by -
select * from nls_database_parameters;
NLS_CHARACTERSET
AL32UTF8
NLS_NCHAR_CHARACTERSET
UTF8
We get SQL_Latin1_General_CP1_C1_AS and 1252 as Collation Property and Code Page
The datatype of the column in question in SQL Server is nvarchar(100).
When I do a describe on the SQL Server view ( desc CK_DATA_FOR_OPL@------- ), I get the error below;
ERROR: object CK_DATA_FOR_OPL does not exist
Select * from CK_DATA_FOR_OPL@------ where rownum =1 does get me a row.
create table tmp_tab as
Select * from CK_DATA_FOR_OPL@----- where rownum =1;
desc tmp_tab shows the datatype of the said column in the table created in Oracle as NVARCHAR2(150).
Not sure why a column defined with size 100 in SQL Server should come across as 150 when seen over OTG. We see something similar in DB2 tables we access over OTG as well.
Edited by: 993950 on Mar 15, 2013 8:49 AM

Table over several pages

Hello
I want make a static Table, a dynamic is not necessary.
The person who fill out the form, should be able to do this over more than one page.
But I don't know how to make the SAME table over one page?!
I have no data link in this table, it should only be filled.
Thanks.

Sorry but I do not understand what you are asking ...can you elaborate ...or provide some examples of what you are looking for?
Paul

ESW 520 802.1x MAB authentication problem

Hello,
I am having problem with 802.1x MAB authentication on ESW 520 switch, the authentication server is ACS 5.3.
The Authentication method on ESW is 802.1x & MAC, and Host Authentication mode is Multi Session. When i plug ip phone it never authenticate the phone, and on ACS I get following error message:
Radius authentication failed for USER: aa1effbb8fd4 MAC: aa-1E-FF-bb-8F-D4 AUTHTYPE: Radius authentication failed
RADIUS Status:Authentication failed : 11509 Access Service does not allow any EAP protocols
15004 Matched rule
15012 Selected Access Service - MAB
11507 Extracted EAP-Response/Identity
11509 Access Service does not allow any EAP protocols
11504 Prepared EAP-Failure
11003 Returned RADIUS Access-Reject
For that Access Service I have configured only Host Lookup.
The same ACS configuration is working perfectly on Catalyst 3560G switche.
It seems that ESW switch is not telling ACS that authentication is going to be by MAC address.
Do you have any idea what can be the problem.

Are you hitting the same selection rule? Also is "mab eap" configured globally on the switch, or on the port itself?
Also can you post the port configuration and the show ver of the ESW?
Thanks,
Tarik Admani
*Please rate helpful posts*

ESW 520 802.1x re authentication problem

Hello
I have problem with ESW 520, on 802.1x authentication. The problem is when host authenticates successfully it works about couple of minutes, after it truest too authenticate again but it lags. On network interface it shows notification that if Failed authentication. On ACS I see only one authentication attempt which is successful. This problem is happening on Win7 and Win XP. If I unplug and plug cable it authenticates successfully, but then about couple of minutes it again lags. Switch sees port as authenticated. On Win7 event viewer I have following error:
                Reason: 0x70004
                Reason Text: The network stopped answering authentication requests
                Error Code: 0x0
If I connect same hosts on Catalyst 2960 switch, they work successfully.

Hi ngtransge
There are tree possible explanations about why the authentications fails.
A)the network interface is shut down after failed computer authentication. You can see this on the switch as line protocol down for that port.
To verify the client has a domain certificate:
1. Click Start and click Run.
2. Type mmc, and then press ENTER.
3. On the File menu, click Add/Remove Snap-in.
4. Click Certificates, click Add, select Computer account, and then click Next.
5. Verify that Local computer: (the computer this console is running on) is selected, click Finish, and then click OK.
6. In the console tree, double-click Certificates (Local Computer), double-click Personal, and then click Certificates.
On a domain joined client, you should see a certificate here with Intended Purposes of Client Authentication. Make sure this certificate is not expired. If it is expired, you will need to regain connection to your CA to request a new one.
B) You should check your switch's configuration, perhaps a port or some ports could be blocked by an access-list and interrupt the re authentication.
C) If this two solutions don't work, you have to try to change the authentication method (PEAP-MSCHAPv2 or PEAP-EAP-TLS)
Greetings, Johnnatn Rodriguez Miranda

ESW 520 QoS questions

Hello,
just to put this out there, I am a noob to the world of Cisco, just got my CCNA, and am now working as an intern.
Can you set esw 520 switches to use auto QoS? We are putting the 520's into an environment of more configurable catalyst switches, and they all use auto QoS. I am basically wondering how to get the QoS on the 520's to play nice with the auto qos on the nicer catalyst switches...
I have tried just using basic QoS, but that wont work, because when I use the port wizard, I use the macro "ip phone + desktop"
It insists on setting qos, but fails because voice-map does not exists. The only way I have found to get the macro to work, is to set QoS to advanced, and create a policy map called "voice-map" of course, after that the macro works, but then I am left with advanced QoS enabled, and hardly configured...how am I supposed to know how to configure it if the other switches ( catalyst series) are set to auto?
Im sorry for the seemingly dumb question, but I know next to nothing about QoS other than it is used to prioitize traffic based on data types.

Hey cole, typically with theses switches the smartports will do the QOS with the port role, however you can manually create the QOS for the switch, by creating a ACL to identify the specific traffic comming through the switch port. Then Create a class map/ policy map/ and then bind it to the ports your wanting to setup QOS on.

ESW-520-48 and Polycom IP phones

I am a managed switch n00b. Please forgive my lack of experience, but I think I have a relatively simple situation that I am just not totally clear on.
System configuration:
T1 from Cox => WAN Port of WRVS400N wireless Router
Port 1 of WRVS4400N to g1 of ESW-520-48 switch.
All Polycoms wired to switch ports (no desktop passthroughs)
All computer data on wireless
Switch is essentially default configuration out of box (sans static IP and gateway configuration to router)
Router set for high priority QoS for ports 5060-5080 (IP phones to remote hosted service)
There seems to be a large amount of bandwidth transferring between the WRVS4400N and the T1 (largest chunk aggregated as 802.1q or "wellfleet" according to Netprobe - screenshot attached). From what I understand, this is VLAN tagging. I am certain I may not be utilizing this correctly or at all.
Call quality is suffering due to bandwidth (or poor configuration)...it is a T1 after all.
Question is: What is the ideal configuration for the switch as I feel I have not utilized it at all here? The only components on the switch are the phones.
Any other comments welcome (even the flaming kind - I'll try to pick out the constructive bits).
Thanks in advance.
Dan

Hello Dimawerks,
On the switch you can only really change the untagged vlan to be 4. The option you are looking for should be available on the AP. Ideally you are wanting the management of the AP to be on vlan 4. The best way to set this is on the AP to have it's management vlan changed to 4 and to then to tag it on the AP and switch or untag it on both.

CAM-Table over SNMP(ESW-520-48P)

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