Cisco Switching/Routing :: 3550 EMI Switch Is Not Responding To Power Connection

May 10, 2012

My cisco 3550 EMI switch is not responding to power connection. I have checked and changed power cable. its still not working.fan is not running and no lights on front panel

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Cisco Switching/Routing :: Stack-power 3750x / FRU Power Supply Is Not Responding

Sep 4, 2012

After stacking two 3750X switches, with four equal power-supply's, with StackWise and PowerStack , still got the next message every few hours %PLATFORM_ENV-1-FRU_PS_ACCESS: FRU Power Supply is not responding (gn4m-rt1p08-04-2)( note that the message revers to the second switch in the stack ) although the stackwise and powerstack on the switches is oke and are working correctly. !
 
Config  : Stack-power in power-sharing mode/strict With CLI on the switch : All the power supply's and stack-power details, prio look OK.
 
Only: LMS prime /inventory/cisco-view/configure/power supply status  result :  some power supply's are marked as disabled.with the command  > power supply 2 slot a off/on I manage to get the status back to "normal", but after a few hours some power supply's are again marked as "disabled".
 
Looks like SNMP en IOS difference from opinion.
 
Hardware
WS-C3750X-24S-S
C3KX-PWR-350WAC
 
Software
15.0(2)SE
C3750E-UNIVERSALK9-M

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Cisco Switching/Routing :: GLC-GE-100FX - Connection To 3550 Switch Over MMF

May 21, 2012

i have an OM1 MMF fiber run between two switches, the first being a 3750 and the second being a 3550.
 
The link currently exceeds the maximum distance for OM1 @ 1000Mb/s (220m) so i would like to downgrade the link to 100FX using the necessary SFP's/GBIC's to extend the maximum distance to 550m and run the link @ 100Mb/s.
 
I have the part code for the 100FX SFP to install in the 3750 (GLC-GE-100FX) but cant find a 100FX GBIC for the 3550, can I use a 1000SX GBIC (WS-G5484) for the 3550 at one end and the 100FX SFP at the other? Any success with this configuration over MMF?

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Cisco Infrastructure :: 3550 - Limiting Power Allocation To 15.4 W On Pre-POE Switch?

Jan 2, 2013

I'm using a Catlyst 3550 to supply power to a IP network surveliance camera.  By default, the predecesor to POE, Cisco Inline Power allocates 15.4 W of power to a port ... What is the process for reducing this power output?
 
"For an IEEE device, the switch always allocates 15.4 W to the port. The switch does not display the IEEE class type in the show power inline privileged EXEC command output. Instead, it displays n/a."

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Cisco Switching/Routing :: 3550 / Layer 3 Switch Not Routing?

Apr 26, 2012

I have a 3550 l3 switch configured as follows:

vlan 10 ports 1-10
vlan 21 ports 11-20
vlan 30 port 21-30
vlan 40 ports 31-40
default vlan should be vlan 21

I have the servers, switch and router connected to vlan 21.  Vlan 21 works great I can browse the internet, but I cannot ping any other vlans. router is connected to fa0/19
 
[code]
Building configuration... 
Current configuration : 4833 bytes
 !
 version 12.2
 no service pad

[code]....

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Cisco Switching/Routing :: VLan Routing Same Switch 3550-12T?

Mar 10, 2013

I'm having some problems setting up vlans to talk to each other on a 3550-12T switch. Its quite a simple setup I have, but I need to split my network up.
 
Currently I have a network of 192.168.25.0 255.255.255.0 I want to create a new vlan network of 192.168.30.0 255.255.255.0 So I have configured my vlan1 (default vlan) to have an ip of 192.168.25.250 for getting to the management page
 
I have created a vlan2 of 192.168.30.1 255.255.255.0 ?I have a port 10 linked to one of my 3560G's?In port 9 which is on vlan2 I have my pc plugged in with a static ip of 192.168.30.50 from the router I can ping any device on 192.168.25.x.
 
I can not ping 192.168.30.1 (which is my vlan2) nor can i ping the PC.
 
I have enabled ip routing  But I dont have a default route, this is becase we don't have a router on the network.

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Cisco Switching/Routing :: 3550 Upgrade To Gigabit Switch

Jun 4, 2013

I have a 3550 switch right now, and need to upgrade to a gigabit switch, so I'm looking at a 3560G-48.  For some reason I purchased an EMI version of my 3550, but run the ipbase image...what I need to look for - is a 3560G-48-s good for what I need?

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Cisco Switching/Routing :: Port Unreachable Messages On 3550 Switch?

Jan 24, 2012

While working at a client site today, I was troubleshooting some ICMP connectivity for a network we have created.I turned on 'debug ip icmp" on the 3550 switch int he middle, and was inundated with the following debug output:
 
Jan 25 11:01:14.641: ICMP: dst (172.16.1.7) port unreachable rcv from 172.16.1.5
Jan 25 11:01:14.641: ICMP: dst (172.16.1.7) port unreachable rcv from 172.16.1.5
Jan 25 11:01:14.641: ICMP: dst (172.16.1.7) port unreachable rcv from 172.16.1.5
Jan 25 11:01:14.641: ICMP: dst (172.16.1.7) port unreachable rcv from 172.16.1.5

[code]....
 
This output fires several times a second, and based on how often it is firing, I am curious if it may be a culprit with respect to the fact that the client has indicated that they have some slow internet.Should the next step be to look at the workstation at 172.16.1.5? 

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Cisco Switching/Routing :: Route-map Command Support On Switch 3550?

Sep 30, 2012

I have cisco switch 3550 IOS Version 12.1(19)EA1c.   
 
I can configure route-map commands on that.  but i can not apply that into any vlan interface.   while i try to apply the following command ( ip policy route-map PBR) on VLAN int i get an error msg saying that the command is not recognized.

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Cisco Switching/Routing :: Have HSRP Or GLBP Between Two Different Switch Like 3550 And 3560?

Dec 9, 2012

Can i have HSRP or GLBP between two different switch like 3550 and 3560?

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Cisco Switching/Routing :: How To Block Single Mac Address In 3550 Switch

Nov 16, 2011

I need to block this mac address in  my 3550 switch.i enable port security but this mac address comes and do the violation and port is shut down.

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Cisco Switching/Routing :: Catalyst 3550 Switch - Dynamic QoS Setup

Mar 28, 2012

I live in a condo building that uses 3 Cisco Catalyst 3550 switches connected to a Comcast router with 100 Mbps download. Currently we regulate bandwidth by providing each user with 3 Mbps download. Even if only two people are active they still only get 3 Mbps download. I would like to set it up so if two people are using they each get 50 Mbps; a sort of 'dynamic qos. Is this possible with these switches? Would we have to purchase a Cisco router in order to provide this feature?

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Cisco Switching/Routing :: Changing Native Vlan On 3550 Switch

Dec 22, 2012

I am having trouble after creating a management vlan (99) on a 3550 switch.I have configured the vlan (99) and given it an IP (192.168.1.100) and a default gateway (my router address - 192.168.1.99).I can ping to the switch from a PC and vice versa. The management VLAN IP is fine but now I cannot ping to the router from either the PC or the switch.It seems that just by adding VLAN 99 with it's own IP address has now prevented pings from the switch/ PC to the router ?Due to the fact that I have created a new switch management VLAN with an IP, does this mean I have set up the router as a 'router on a stick' scenario ? [code]

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Cisco Switching/Routing :: Enable / Disable Interfaces On 3550 Switch

Jul 14, 2012

I`m looking to automate some functions in a web application.Functions like enable/disable interfaces on a Cisco 3550 switch.

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Cisco Switching/Routing :: Internet Access For 3550 Switch VLANs?

Feb 22, 2012

I have a small cisco switch cluster (seven different 2924, 3524cisco switches) with 3550 as a cluster control which does all the inter vlan routing that works fine.
 
This cluster is in semi production PBX interop testing lab. This is a closed network without internet access and not connected to our corporate network.However now I have to add this capability so some equipment in the lab can get Microsoft updates over the internet.
 
I've created a port on a 3550 (fa0/19) and connected it to another network that has internet access. It picked an ip address and when I'm logged in to the 3550 I can ping hosts on the outside network. However I can't ping any hosts on that network from any hosts that are connected to my vlans.I've tried a few different things, but still can't make it to work.
 
Here is a short version of my 3550 configuration:

!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log datetime
no service password-encryption

[code]....

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Cisco Switching/Routing :: 3550 - Switch Disconnects Another Voip Phone?

May 14, 2013

im having this strange issue where everytime i plug in a voip phone to my 3550 the switch disconnects another voip phone.then to fix the disconnected phone (7940) i need to power off the phone 5-10 minutes then power it on again.

but the strange thing is, once i have to do that to fix the phone and connect the phone back to the switch, the port link is up, but no macs are seen on that port.

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Cisco Switching/Routing :: Switch 3550 - Command To Display GBIC In It?

Nov 9, 2011

Is there any command to display the GBIC in the switch because I need to replace 3550 but I have no exact part number

the model is WS-C3550-24-SMI
and try
sh inventory
sh hardware
sh diag
sh module

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Cisco Switching/Routing :: 3550 - Copy IOS To Switch In ROMmon Mode?

Jan 24, 2012

I have a 3550 switch that was replaced at a remote site with no IOS. This is a switch not a router so tftpdnld does not work.
 
[Code]...
 
The problem is the switches interface never comes up so try to connect to the tftp server. I read on google it can't be done on a switch to copy from tftp to flash in rommon mode on a switch and to use XMODEM. My problem is I do not have access to it, I ssh into a 3640 which is an access server for all devices and that is how I have console to it, how to use XMODEM over ssh.
 
But I'm fairly certain that there has to be a way to just copy it from tftp? I have a 3550 local and when I put it in rommon mode it stops the port check at port, port 1 goes from green when you plug it in to off then port 2 changes to amber and the rest green. So just by the look of this I would believe tftp would work; you just need to use port 1.

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Cisco Switching/Routing :: 3550 Switch - Software Forced Crash Exception

Feb 7, 2013

Our switch had a little crash-fest this morning at 2:30 AM. I did find a web page about diagnosing Software Forced Crash Exceptions, but it did not look like ours was one of the more easily-identifiable ones.
 
It may be worth noting that we've only used this switch for about a month, everything seemed fine until now. When we got the switch it did not have any GigE modules, and this week we put 2 into it and have been using them for 2 servers.
 
It looks like the switch was crashing repeatedly over a period of 20 minutes, and then it stopped and normalized. In the logs of the router that this switch uplinks into, we could see the ethernet port flapping during the time that the switch wasn't reachable.
 
Here's the Show Stack on the switch:
 
Sfld_3550#    show stackMinimum process stacks:Free/Size   Name4404/6000   vegas_flash init3352/6000   SaveCrashBuffer5716/6000   CDP BLOB8512/9000   IP Background5596/6000   vqpc_shim_create_addr_tbl5584/6000   SPAN Subsystem5552/6000   SASL MAIN4944/6000   vegas IPC process8704/9000   cdp init process5404/6000   RADIUS INITCONFIG4928/6000   Vegas CrashBuffer5664/6000   URPF stats2536/3000   Rom Random Update

[code].....

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Cisco Switching/Routing :: 3550 - Export Mac Address From Switch To Local Machine?

Jan 8, 2013

I am working on Cisco 3550 switch on a certain requirement. I have got an access point connected to the switch and few mobile phones connected to the access point. I get the list of mac addresses connected to the switch ( Both access point's mac address & the clients addresses) by "show mac-address table dynamic" command. However, i am unable/confused to get the output of the following scenarios:
 
1. I would require to export the mac address from the switch to the local machine in any format (May be by using an SNMP tool, if available) so that the same needs to be used in my C# for development.What would be the way for the same ?
 
2. The mac address in the mac address table doesn't get updated dynamically. (Eg Scenario: A wifi client gets connected to an access point which inturn is connected to the switch, the mac address of the client shows up in the switch table. However if the client is disconnected, the client's mac address would still be displayed in the switch table )

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Cisco Switching/Routing :: 3550 - Unable To Ping Internet From HSRP Standby Switch

Nov 16, 2011

I have router connected to 2  3550 switches  directly. 3550A  and B  switches are running HSRP. OSPF is running between Router and 2 switches.
 
From Switch B  i can ping the Router Wan interface but not the internet sites. from Switch A  i can ping any sites?
  
Switch B 
3550SMIB#                          sh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area       N1

[Code]......

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Cisco Switching/Routing :: Connection Between 3550 And Alcatel 6400

Oct 4, 2012

We encouter problems flow between two switches at work. The first is a Cisco 3550 and the second is an Alcatel 6400. For the tests, I connected a PC on each switches on acces port. The 2 switches are connected by a trunk port (the 24th for each switches).

I forgot to tell that the 2 switches are on the same vlan (5). I made some tests and it takes about 2 minutes to transfer 45mo from one pc to the other one.
 
I can give a part of the configuration :

! Stack Manager :! Chassis :system name vxTargetsystem daylight savings time disable! Configuration:! VLAN :vlan 1 disable name "VLAN 1"vlan 5 enable name "toip"vlan 5 port default 1/1vlan 5 ip 192.168.0.0 255.255.255.0! VLAN SL:! IP :ip service allip interface dhcp-client vlan 1 ifindex 1ip interface "toip" address 192.168.0.253 mask 255.255.255.0 vlan 5 ifindex 3! IPX :! IPMS :! AAA :aaa authentication console "local"aaa authentication telnet "local"aaa [code] ..............

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Cisco Switching/Routing :: 3550 / 3560 - Can Multiple Connection Between 2 Switches

Jul 9, 2012

For some special arrangement, I would like to connect 2 access ports from a 3550 switch to 3560 switch.1 port for vlan 200, another port for vlan 201.Will this introduce bad thing to the switches?

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Cisco Switching/Routing :: 3550 - Configure Firewall DHCP Server Through 10.1.1.0 Connection?

Oct 2, 2012

Is there a way to configure a DHCP server for my internal subnet of 192.168.20.1 which is on a 3550 layer 3 switch from my 5505 ASA Firewall.My subnet of 10.1.1.0/30 is connecting my 5505 to 3550. All I'm trying to do is run a DHCP server down to my hosts. The only options on ASA 5505 is
 
dhcpd address 192.168.20.1 - 192.168.20.254 outside or inside, which conflicts with my subnet of 10.1.1.0 used to connect my internal subnet of 192.168.20.1 for the whole network.
 
When I used my router it did not need the (inside, outside) keywords and just an ip helper-address command. How do I configure my my firewall DHCP server to propagate the 192.168.20.0 network through my 10.1.1.0 connection.

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Cisco Switching/Routing :: 3560E Switch Went Down Due To A Power Surge

Jan 27, 2012

recently a Cisco 3560E switch went down due to a power surge. the switch is getting power but i am only seeing the below message continously. it is keep on rebooting. i try to reset to factory settings/ safe boot nothing worked. is there any way i can bring the switch up or it is hardware failure.Using driver version 1 for media type 2Base ethernet MAC Address: 00:23:33:af:1b:00Xmodem file system is available.The password-recovery mechanism is enabled.Using driver version 1 for media type 2Base ethernet MAC Address: 00:23:33:af:1b:00Xmodem file system is available.The password-recovery mechanism is enabled.

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Cisco Switching/Routing :: 6500 - Power Off Core Switch?

May 31, 2012

we need to relocate our core switch 6500 with sup 720 to another bldg
 
what is the command to gracefully shut it down I mean power off
 
I was told one can just switch off the power

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Cisco Switching/Routing :: Module Power Down On 6513 Switch?

Apr 28, 2012

We have Communication Media Module (WS-SVC-CMM) mounted on 6513 switch. It went down twice and we brought it up by applying "power enable module".

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Cisco Switching/Routing :: SG300-10P Power SG200-08 Switch Over POE?

Jun 1, 2012

Can a Cisco SG300-10P switch power a Cisco SG200-08 switch over POE?  Or an SG200-08P power an SG200-08 via POE?  I have an area where I'd like to put a small switch, but would like to avoid having to have electrical power run to it.  Or will the SG300 and SG200 POE switches only power endpoint devices such as cameras and IP phones?

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Cisco Switching/Routing :: 6509 No Power To Whole Switch To Powered On

May 19, 2012

I have a 6509 that has dual SUP32's.Just want to make sure and give a reason(if there is one).   Slot 6 always becomes the active hot on a full reboot.  Meaning from no power to the whole switch to powered on. What is the election process for Supervisors?

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Cisco Switching/Routing :: Switch 3560 Not Giving Out Power?

Sep 26, 2011

I have an issue with a 3560 in my network, after sometimes it fails to give out power to some ip phones,while others are not affected and below is the message i get
 
"Power given, but Power Controller does not report Power Good"

output of sh power inline and sh env all : everything seems to be ok on the switch

#sh power  inline
Available:450.0(w)  Used:48.0(w)  Remaining:402.0(w)
 Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi0/1     auto   off        0.0     n/a                 n/a   15.4
Gi0/2     auto   off        0.0     n/a                 n/a   15.4
Gi0/3     auto   off        0.0     n/a                 n/a   15.4

[code].....
 
It's solved by a reboot of the switch, i could have suspected a power environnment issue but it's the only equipement disturbing in the network.

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Cisco Switching/Routing :: 3560 Switch Doesn't Provide PoE Power

Mar 9, 2012

I have upgraded my C3560-PS-S switch to the latest IOS version 12(2)55-SE4 and it is not providing PoE anymore? It used to work before this upgrade? I searched Cisco bugtrack and there is bug defined for this IOS/Switch.
 
Switch(config-if)#do show power inline Available:370.0(w)  Used:0.0(w)  Remaining:370.0(w)
 
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Fa0/1     auto   off        0.0     n/a                 n/a   15.4
Fa0/2     auto   off        0.0     n/a                 n/a   15.4
Fa0/3     auto   off        0.0     n/a                 n/a   15.4
Fa0/4     auto   off        0.0     n/a                 n/a   15.4
Fa0/5     auto   off        0.0     n/a                 n/a   15.4
Fa0/6     auto   off        0.0     n/a                 n/a   15.4
Fa0/7     auto   off        0.0     n/a                 n/a   15.4
Fa0/8     auto   off        0.0     n/a                 n/a   15.4
Fa0/9     auto   off        0.0     n/a                 n/a   15.4
Fa0/10    auto   off        0.0     n/a                 n/a   15.4
Fa0/11    auto   off        0.0     n/a                 n/a   15.4
Fa0/12    auto   off        0.0     n/a                 n/a   15.4
Fa0/13    auto   off        0.0     n/a                 n/a   15.4
Fa0/14    auto   off        0.0     n/a                 n/a   15.4
Fa0/15    auto   off        0.0     n/a                 n/a   15.4
Fa0/16    auto   off        0.0     n/a                 n/a   15.4
Fa0/17    auto   off        0.0     n/a                 n/a   15.4
Fa0/18    auto   off        0.0     n/a                 n/a   15.4
Fa0/19    auto   off        0.0     n/a                 n/a   15.4
Fa0/20    auto   off        0.0     n/a                 n/a   15.4
Fa0/21    auto   off        0.0     n/a                 n/a   15.4
Fa0/22    auto   off        0.0     n/a                 n/a   15.4
Fa0/23    auto   off        0.0     n/a                 n/a   15.4
Fa0/24    auto    off        0.0     n/a                 n/a   15.4

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Cisco Switching/Routing :: How Much Power Required From Utility Or UPS For 4510R Switch

Nov 13, 2011

We have one switch 4510R which could have total 300 cisco GE color phone connected. That means 300x15.4=4620W. Considering the 89% effiency for the PoE line cards, that means each line card needs 5191W input power from chasis power supply. Based on the 6000W power supply specs, only up to 4800W is allocated for PoE purpose. But we need 5191W from power supply which redundant mode can't offer. We don't want to go with combined mode. So should we add external power shelf to add more power?Another question will be how much power we need from utility or UPS. For example, the efficency of cisco power supply is 75% and we use two 6000W power supplies in redudant mode. Then we need 8000W. The voltage is 220V. Then the AMP we need is 36.4A from UPS or utility power.

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Cisco Switching/Routing :: 6509 Switch Blade Shows Power Down

Apr 16, 2012

i have one of my switch modules that shows PwrDown when i issue the command show mod.
 
Mod Ports Card Type                              Model              Serial No.
--- ----- -------------------------------------- ------------------ -----------
1    9  Supervisor Engine 32 8GE (Active)      WS-SUP32-GE-3B     SAD09120263
2   48  48 port 10/100/1000mb EtherModule      WS-X6148-GE-TX     SAL1029VWZ5

[Code]....
 
i tried disabling the diagnostic monitor for the module, did a power enable module command and then reset it but it still fails. this is the third blade that i am replacing in a few weeks and i still get the same error. i am persuded that it is not a hardware since it is the third blade in a matter of weeks. after the module reset, i receive this error % module 3 is operationally off (FRU-power failed)
 
could an ios upgrade solve this issue? are there any ios related bugs?

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