Cisco Switches :: SG500-28P SNMP Query For Individual Port Power Output?
Aug 26, 2012
Is there a way to ask the above switch how much power it's supplying to various ports?I've found some stuff in POWER-ETHERNET-MIB, but it's only the main power supply and the up/down status of the various ports.
It looks like what I want is
[URL]
but my SG500 tells me:
snmpwalk -v2c -cpublic serverswitch 1.3.6.1.4.1.9.9.402
CISCO-SMI::ciscoMgmt.402 = No Such Object available on this agent at this OID
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Jan 22, 2013
I have just configured up a sg500 with a lacp trunk to an upstream switch.
I am getting native vlan mismatch on the individual ports of the lacp team.
24-Jan-2013 12:54:48 %CDP-W-NATIVE_VLAN_MISMATCH: Native VLAN mismatch detected on interface gi1/1/24.
24-Jan-2013 12:57:35 %CDP-W-NATIVE_VLAN_MISMATCH: Native VLAN mismatch detected on interface gi1/1/48.
[Code].....
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Mar 13, 2013
I'm trying to disable/enable ports via snmp v2 on a Cisco SG500-52P-K9-V01 switch. The communties are setup properly and I even have successful snmpset commands which when queried display that the action was complete. The issue is that when I disable the port via snmp the device on that port does not drop offline. This is a PoE port with a device powered over PoE so I'd expect the port to disable but also the PoE to turn the device off - neither happens.
Any experience with port management on this device? I also noticed the interface IDs (for port 1 for discussion) are 1, 101, 201 etc. I've tried setting on 1 and 101 only but the results have been the same and what were mentioned above.
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Jan 31, 2013
how can i view the port G27 and G28 in GUI? As based on the GUI Adminstrator - > Port Management - > Port Setting i only can view from port G1 to G26. Or it will only appear when the port is active for stacking.
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Jan 15, 2013
I have 3 x SG500-52P switches stacked. Vlan 1 is data and Vlan 3 is voice Port to Vlan membership is 1UP and 3T Port security is disabled
The issue I have is that I can have either a phone or a PC plugged into a port but not both. If I plug in both then the phone works and the PC gets an IP address (Broadcast traffic) but PC cannot browse the network.
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Jan 4, 2013
I have an SG-200-8 which connects to a stacked pair of SG500-28P switches. It is powered by PoE from the SG500. From the SG500 the port appears Up, but at the the SG200 it is disabled and nothing I do re-enables it. I know the cable is good because I had a previous netgear switch hanging off it and working, also the power gets through.I can only connect to the switch if I disable wifi and plugin a manually configured PC - DHCP doesn't get through to it from the SG500 end.I have tried a second SG200 same problem. Have disabled RSTP/ STP thinking it might to relate to the fact that a PC connected to the switch also had a wifi connection to the same LAN, but. Don't know where to go next. looks like a bug?
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Jun 15, 2011
how snmp monitoring works when we have WLC in the networking.Before the WLC 5508 instalation, we had the Nagios monitoring each Access Point in the networking. Today, the Nagios still monitoring the networking, but the Nagios cannot get the same information of the APs (CPU, status interface, memory, etc).Now, the WLC controls each AP, the IP address, netmask, community (of all AP) are the same before the WLC instalation. I have tried to configure the SNMP information in Management>>SNMP>>Communities, but these configuration are from WLC and not from each AP.
How can I configure the SNMP setting in my AP to still use the Nagios to monitoring the networking?
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Dec 10, 2012
I would like to be able to query the dot1dStpPortState obect on the Catalyst 2960-S on our LAN . Im running firmware c2960s-universalk9-mz.122-55.SE2.bin and according to the Cisco SNMP Object Navigator the object is supported (via the BRIDGE-MIB).However when i query using snmpwalk from my workstation :snmpwalk -v 2c -c bic-zua-ro 10.u.y.x 1.3.6.1.2.1.17.2.15.1.3 I receive and error .SNMPv2-SMI::mib-2.17.2.15.1.3 = No Such Instance currently exists at this OID For the sake of comparison, querying our 4700 :snmpwalk -v 2c -c bic-zua-ro 10.u.y.x 1.3.6.1.2.1.17.2.15.1.3 returns (as expected, cropped)
SNMPv2-SMI::mib-2.17.2.15.1.3.1 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.3 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.40 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.67 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.104 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.257 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.258 = INTEGER: 5
SNMPv2-SMI::mib-2.17.2.15.1.3.259 = INTEGER: 5
Is there some special configuration i need to do on our 2960's. The only snmp related settings i can see in the running config is snmp-server community. In this case :
snmp-server community bic-zua-ro RO
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Feb 27, 2012
All the other switches / routers on quering for SNMP sysName.0 returns their FQDN in our network. The Nexus 7010 and 5020 switches in the network return only their name. "hostname xx" and "ip domain-name xx" defined on all the devices. The SNMP MIB is matching. There are no other SNMP related issues. How can I get the FQDN for these devices ?
$ snmpget -v 2c -c public m-65k-00.core sysName.0
SNMPv2-MIB::sysName.0 = STRING: m-65k-00.core.abcd.com
$ snmpget -v 2c -c public m-N7K-00.core sysName.0
[Code].....
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Sep 4, 2011
Any snmpset commands to modify port vlan membership on SG300-28 switches? I checked [URL] however this information is apparently only valid for catalysts.
The latest firmware is installed and the provided MIB files are used.
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May 24, 2013
I've got an SG300-10 connected back to back (trunked) with a Cisco 3560X switch, across a fibre link and am seeing some big inconsistencies in terms of unicast data transferred across the ports between them.
During a night time window of 4am - 6am I run backups which involves a large copy of files, that almost saturates a GigE link - we can see from the 3560X end that the link is running at a bit over 800MBit/sec of throughput, sustained. The duration of this transfer is consistent with the size of the files being transferred (ie just over an hour, and is what I'd expect for a data transfer of about that amount). Back-of-the-envelope calculations indicate that the 3560X is measuring this data throughput correctly.
However on the SG300 end of the link, which is also being polled by the same application (Cacti), I'm observing spikey counts of only around 20MBit/sec during that window. These counters are very obviously incorrect - there's a huge amount more data moving across the port than that. The incorrect calculations are showing on both the trunk port out of the SG300 (uplink) as well as the interface where the NAS is connected in (which is an access port).
Cacti is polling the OID: .1.3.6.1.2.1.2.2.1.16.57 which translates to IF-MIB::ifOutOctets.57 = Counter32.I'm running version 1.3.0.62 but this problem is not new to this release - previous releases and 1.2 based releases also had this problem.
It looks like multicast traffic may be being counted correctly (that's only a suspicion though), however what I am certain of is that there is a very large discrepancy with the unicast traffic counts.Is this OID the correct one to be using for this switch?
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Dec 16, 2012
We have 3 SG500-52 switches that are stacked and configured for layer 3 that replaced a couple of SG2010 switches a month ago. Switch units 1 and 2 are for servers and unit 3 for the workstations. The switches are connected with stacking SFP+ copper cables, 1 1M and 2 7M cables. The problems are occurring between the workstations and servers resulting in slow traffic on some links and connection failures. A repeatable failure occurs doing a backup from a PC on unit 3 to a server on unit 1 and 2 (2 port LAG). Moving the workstation to a port on unit 1 results in successful backups every time.
Initially I was able to confirm packet loss between my PC (on unit 3) and the servers using ping (ping -f -c 100000 -s 1460) of about .1%. The iperf program in udp mode also showed some packet loss and in tcp mode showed slow connections. A week ago I then upgraded the switches from v1.2.0.97 to v1.2.7.76 and rebooted. After that the ping and iperf tests show no problems although there are still slow connections to samba shares and the backups still consistently fail.
I suspect there is a problem with the stacking connections and have searched for traffic statistics on the stacking ports to look for errors but have not found anything. Doing a snmpwalk didn't reveal anything that I recognized. There are interface counters for all the ports except the stacking ports.
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Apr 17, 2012
Am looking into using stacking and NIC teaming to create redunancy for user access to servers. What I am thinking is getting 2 SG500-28 switchs and configuring them in a stack that appears as one logical switch. Now on the servers I would configure 2 NICs to be a team so they appear as 1 logical interface, perferably in an active/active configuration using LACP. In this NIC team take 1 team member to switch A and the other to switch B, so each team member is on seperate switches.
Givent the scenario:
1) Will that work with the 500 series switchs? Reason for the switches is their price point is perfect for my client.
2) Besides the stack link will there also need to be a LAG between the switches or does the stack link do data traffic also?
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Jan 30, 2012
MIB OID and the values.also i want to know the values og output packet and output packet drops MIB OID values of POS interface on GSR router (12000).because i am getting many output packet drops on these pos interface.how do i get these values from the router.
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Aug 11, 2011
The switch sge2000-g5 a small business switch, has a redundant power supply port built in the switch. It is a port that handles a 12v power supply. My problem is to find the exact device to supply the power to this port so I can have, obviously, a redundant power in my switch. This switch is actually out of production.
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Mar 8, 2011
I was unable to telnet in to a SQL server on port 1433 to test the connection from the client PC.the application could connect and this alone verifies it is working on port 1433 for sql.My question is how can a telnet command on a specific port be blocked ?
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Jul 12, 2011
Only because we want to updeate A/C system in server room, we need to know what Cisco 2800's the power usage and heat output are. It is on the racks and can't see its spesc.
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Jan 31, 2012
I have a WS-C6509-E (R7000) and am trying to implement some proactive monitoring for environmental alerts. What is the output from a Power Supply failure for the following “sh log” “sh environment alarm”.
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Oct 27, 2009
I have a WAP4410N and would like to turn down the power output below 100%.
It has a very strong signal, and is covering our small office and half the parking lot.
In the Administration Guide, under FAQs, it mentions a setting for output power but I cannot find this setting.
The SW version is 2.0.0.5, and that seems to be the latest version - the file I downloaded is WAP4410N-fw-2.0.0.5-K9.img but I haven't installed it yet.
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Feb 14, 2013
Is there an SG300 or SG500 that has all ports as SFP ports?
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May 10, 2012
What is the difference between a SGE2000 and a SG500-28?
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May 8, 2013
I have downloaded the new firmware for the SG500. I see there are two files included in the download, a boot file (rfb) and regular firmware image (ros). I have looked and haven't seen anything about the rfb files. I know it is a boot file, but do not know if I should update the boot file first and then the firmware image or vice versa. Also, in my update screen on the SG500, the boot file option is greyed out.
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Jun 2, 2013
I wonder if i can make a stack with 3 SG500-28.
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Jun 4, 2013
I have a Cisco SG500-52P along with an older SGE-2010P, am I correct that in order to stack they must be the same series?
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Mar 21, 2012
I currently have the following set up in my basement: Modem to 8 port router which has cables going into a patch panel which in turn provides internet access at 8 wall outlets throughout the house. My data/video streaming needs are expanding and I have had additional wiring pulled to the new locations. I would like to know if I can bypass the patch panel and go from the Modem to a 24 port switch to individual wall plates throughout the house.
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Jan 8, 2013
I am setting up a 3 host ESXi cluster. I am using a pair of stacked SG500-28 switches for switching redundancy. Each host has 8 NICs. 4 to each switch. I have successfully setup a 3 NIC LAG with 1 path to one switch and 2 paths to the other. These LAGs work. When I setup a 2NIC LAG via the console for management, and the associated ports on the switches, I lose managment communication with the host. Before setting up the LAG in the ESXi console, I set that vswitch properties to us IPHASH as instructed here bit.ly/VLaTEt I have attempted to follow those instructions as closely as possible. The one thing that I am wondering is whether the SG series supports etherchannel. I can't find any reference. Either way, it works on the other vswitch that is for vMotion. I can vmkping between the hosts over that LAG. But setting up a LAG on the management vSwitch doesn't?
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May 29, 2013
I am currently running two SGE2010 in stack and planning to purchase new Sg500 .I have two questions :
1. If these two different products can be managed as one stack.
2. Are the SFP (mini-GBIC) connections compatible and if so what accessories or parts do we need to enable them?
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Jan 13, 2013
I had connected a computer and NTP to the SG500. i had successfullly sync the internet time on the computer. but when i type 'show clock' on the terminal. The switch did not manage to sync the ntp time.
clock timezone sg +8
clock source sntp
sntp unicast client enable
sntp server 192.168.4.36
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Apr 8, 2013
We have a problem with NLB on a SG500-28P which is a major issue for us.
I am investigating a problem together with Microsoft Support about a download/upload performance issue with a Microsoft Forefront TMG array which is connected to a single SG300-28P. Àpparently this issue exist on every NLB array we implement. I am now at the point we asume the SG500-28P does not handle NLB in unicast mode very well.
We have a network topology as shown below:Please note the actual public IP Addresses are hidden and the internal IP Addresses are diffrent, for security reasons.
Our SG500-28P is configure in L3 mode. It hosts three subnets you see above. The two TMG servers are configured with NLB (in unicast mode) on the Internal Network and External Network interface. It is connected to the internet and our internal network. These TMG Servers are in fact Edge Servers. Our other servers and client are in a different VLAN. The default gateway flows through this NLB Cluster [10.250.0.254].
Problem: When a client uses its default to connect to the internet the performance is very and very slow. With an internet connection of 10/10 we get 10/2. With an internet connection 100/100 we only get 7/1!.
Now we have tried everyting we can imagine. I can't write down all, because that would be a lot. One thing is worth notice; When we move the client to the same VLAN as the NLB Cluster and the client uses 10.250.0.1 as its default gateway, the problem still exists. But... when the client uses 10.250.0.254 as its default gateway the performance is outstanding 95/95! Apparently if traffic for the NLB Cluster is routed through the SG300-28P the performance drops like a rock.
I have never seen this before with SG300 series switches, although this environment is different. Normally I would configure NLB in multicast mode. But the switch does not allow to add static ARP entries for multicast MAC Addresses.I know NLB in unicast mode introduces switch flooding and such. But why does the SG500 not handle this right? Is there anything I can do about it?
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Feb 25, 2013
Currently, my Cisco DPC3010 cable modem is connected directly to one of the Ethernet ports on my Linux router. All works quite well that way. However, I'm curious to know if there's some what to separate the router and cable modem over 2 switches?
The coax enters the house in my living room and connects to the CM there. The router is also sitting in the living room, and it's connected to a Cisco SG200-18 switch. I have Ethernet running from my living room to my basement, where a Cisco SG500-24 switch sits. The two switches are connected via a 2xGigE port channel.
I want to move the router into the basement. Ideally, I'd like to move the CM down there with it, but I don't have the necessary coax run. So for now, that's out. But... can I go from something like this:
--coax----- Cable Modem ---GigE----- Router ---GigE---- SG200-18 ===2xGigE==== SG500-24
To something like this:
--coax----- Cable Modem ---GigE----- SG200-18 ===2xGigE==== SG500-24 ---GigE----- Router
I tried it, complete with a separate VLAN specifically for the CM traffic. And the VLAN was properly trunked between the two switches. But for some reason, the router was unable to communicate via IP to the upstream. I'm not sure if there are config bits I need to set on the SG200 that the CM is connected to? I thought I'd read somewhere that CMs don't like broadcast technology such as LLDP and/or CDP, so I disabled both of those on its port. Did I miss something else perhaps? Or am I trying to do the impossible?
For what it's worth: the IP connectivity is static. There's no DHCP running between my router and the upstream cable provider. The cable modem is literally acting as a L2 coax-->Ethernet convertor, more or less.
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Apr 29, 2011
On my D-link routher the power supply broke. I instal another one but it has 2.5A as output instead of 2A as the broken one has. Is it dangerous.
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Oct 17, 2012
confirm if "negotiation auto" is supported gigabit port for C3925E router.
Router(config-if)#Interface gi0/2
Router(config-if)#description test link
Router(config-if)# no ip address
Router(config-if)# negotiation auto
^
% Invalid input detected at '^' marker.
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Mar 24, 2013
I have a switch from SG 500 Series the works as Layer 3 Routing Switch with the Firmeware 1.2.7.76. I have create some diferent VLAN´s and have defined one ACL for each VLAN. Now i try to do a binding from the ACl to a VLAN but i have only the option to bind the ACL to a phys. Interface or a LAG.is the a possibility to bind the ACL to a virtual interface like in other Cisco serieses and how it works ? the Backround is i have connectetd 2 Hyper-V Server where the Guests are in different VLAN´s and the server is connectetd with a 10Gb Trunk to the Switch now the switch routed the different VLAN´s and i must have some restrictions between the VLAN´s.
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