STP LED status with Cisco Catalyst Blade Switch 3130

Hi,
The usual status LED of a STP Blocked interface is orange. With this Switch (3130), the LED is green while the RSTP status port is Alternate Blocked. Is this normal ? Is there any documentation about RSTP LED status ?

G'day,
I think you have the wrong forum! :)
cheers

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Cisco Catalyst Blade Switch 3020

Information about the Cisco Catalyst Blade Switch 3020
Does it support TCP SYN Flooding Attacks Mitigations Techniques
As per the Request for Comments: 4987

Most of the common DOS attack mitigation strategies (good overview here) are configurable on the CBS 3020. There's no "one step lockdown" like the autosecure feature on routers but the configuration guide covers all of the details on setting the individual mechanisms (DHCP Snooping, DAI, IP source guard, etc.) you may wish to employ.

"Cisco Catalyst Blade Switch 3020 for HP" Best Practices

Hi all,
Here we use this blade switch cluster for the Data Center server farm. Here we noticed some network traffic delay. when I monitor the up link I can see there is not much traffic in the link. So doubt about the traffic delay. If anyone can help me on this it would be great...
Thanks in Progress.....
Chandana

Here in the "blade switch for HP" a request processing application is running in a server. when we use the same type server stand alone with a separate switch it processes 80,000 requests per 4 hours. But when this blade server in the blade switch it only processes near 6,000 requests per 4 hours.
That what I mean like "Network delay"...
That is what I cannot understand.
I have attached the current configuration of the blade switch so you can go through it.
Is there any best practices specific to that type of blade switch that should enable?
Thanks for your help
regards
Chandana

Catalyst Blade Switches 3020 For HP Blade Chassis

I was trying to access Catalyst Blade Switch 3020 through serial port to reset the lost password. This Switch is plug-in to HP c7000 Chassis. I followed the instruction from Cisco documentation for this password re-set process as follows.
{ Step 1 Connect a terminal or PC with terminal-emulation software to the switch console port.
Step 2 Set the line speed on the emulation software to 9600 baud.
Step 3 Push the release latch on the front of the switch to the open position.
Step 4 Pull the switch partially out of the module bay until the power disconnects, and then push it in again. The switch restarts when it reseats in the server chassis. The switch performs POST after power is applied.
Step 5 Push the release latch on the front of the switch to the closed position.
Step 6 Within 15 seconds, press the Mode button while the System LED is still flashing green. Continue pressing the Mode button until the System LED turns briefly amber and then solid green; then release the Mode button.
------- Step 6 did not work. System LED neither flashing nor in Solid state. I can not connect through Serial port any more! Any help.....

Here in the "blade switch for HP" a request processing application is running in a server. when we use the same type server stand alone with a separate switch it processes 80,000 requests per 4 hours. But when this blade server in the blade switch it only processes near 6,000 requests per 4 hours.
That what I mean like "Network delay"...
That is what I cannot understand.
I have attached the current configuration of the blade switch so you can go through it.
Is there any best practices specific to that type of blade switch that should enable?
Thanks for your help
regards
Chandana

Cisco catalyst 2690 switch vlanTable

Hi,
I have a cisco catalyst 2690 switch.
I want monitoring IP, MAC, and Port Address.
I use this docu: http://docstore.mik.ua/orelly/perl/sysadmin/ch10_03.htm
This works great:
htvtef7-nagios:/ # snmptranslate -On BRIDGE-MIB:dot1dTpFdbTable
.1.3.6.1.2.1.17.4.3
snmpwalk -c tef7snmp@761 -v 2c 10.76.1.7 .1.3.6.1.2.1.17.4.3
htvtef7-nagios:/ # snmptranslate -On BRIDGE-MIB:dot1dBasePortTable
.1.3.6.1.2.1.17.1.4
snmpwalk -c tef7snmp@761 -v 2c 10.76.1.7 .1.3.6.1.2.1.17.1.4
htvtef7-nagios:/ # snmptranslate -On CISCO-STACK-MIB:vlanTable
.1.3.6.1.4.1.9.5.1.9.2
But I get a error:
htvtef7-nagios:/ # snmpwalk -c tef7snmp -v 2c 10.76.1.7 .1.3.6.1.4.1.9.5.1.9.2
SNMPv2-SMI::enterprises.9.5.1.9.2 = No Such Object available on this agent at this OID
Switch config:
snmp-server community testament RO
snmp-server community tef7snmp RO
snmp-server location XYZ
snmp-server contact MR.XYZ
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps tty
snmp-server enable traps cluster
snmp-server enable traps entity
snmp-server enable traps cpu threshold
snmp-server enable traps vtp
snmp-server enable traps vlancreate
snmp-server enable traps vlandelete
snmp-server enable traps flash insertion removal
snmp-server enable traps port-security
snmp-server enable traps envmon
snmp-server enable traps mac-notification
snmp-server enable traps copy-config
snmp-server enable traps config
snmp-server enable traps bridge newroot topologychange
snmp-server enable traps stpx inconsistency root-inconsistency loop-inconsistency
snmp-server enable traps syslog
snmp-server enable traps vlan-membership
snmp-server host XXX.XXX.XXX.XXX public
snmp-server host YYY.YYY.YYY.YYY tef7snmp
What did I do wrong?
THX!

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Thx for the replay!
I use on the switch c2960-lanbasek9-mz.122-25.SEE3.bin (IOS),
the Cisco Feature Navigator say, this IOS support the CISCO-STACK-MIB:
http://tools.cisco.com/ITDIT/MIBS/MainServlet?ReleaseSel=0&PlatformSel=0&fsSel=0&IMAGE_NAME=c2960-lanbasek9-mz.122-25.SEE3.bin&SUBMIT2=Submit&IMAGE_ID=816103
In show snmp mib I could not find the vlanTable. See the attachment.
I du not understand!

How many Cisco Catalyst 3850 switches can make up a Cisco StackPower stack?

I know the number of Cisco 3850 switches for stacking is 9, so, if I make up a Cisco StackPower stack, MAX is 9, too?

Hi, emma, only 4 switches can become part of the same Cisco StackPower stack in a ring topology.
For the Cisco 3850 switches stack number,there are two types:
Up to 9 Cisco Catalyst 3850 switches can be stacked together to build single logical StackWise-480 switch since Cisco IOS XE Release 3.3.0SE. Prior to Cisco IOS XE Release3.3.0SE, up to 4 Cisco Catalyst 3850 switches could be stacked together.

Cisco Catalyst 3850 switches

How many Cisco Catalyst 3850 switches can stack into a single logical entity?

Hi, emma, only 4 switches can become part of the same Cisco StackPower stack in a ring topology.
For the Cisco 3850 switches stack number,there are two types:
Up to 9 Cisco Catalyst 3850 switches can be stacked together to build single logical StackWise-480 switch since Cisco IOS XE Release 3.3.0SE. Prior to Cisco IOS XE Release3.3.0SE, up to 4 Cisco Catalyst 3850 switches could be stacked together.

Problem with Cisco Catalyst 2960

I've got a problem with the Catalyst 2960 / 24TCL switch. The Flash-directory was empty. After I copy with xmodem the firmware bin-file into the flash-directory and installed it .. I miss the HTML-Directory. Can somebody tell me how I can get it back?

SSwitch3#test cable-diagnostics tdr int g1/0/16
TDR test started on interface Gi1/0/16
A TDR test can take a few seconds to run on an interface
Use 'show cable-diagnostics tdr' to read the TDR results.
SSwitch3#show cable-diagnostics tdr int g1/0/16
TDR test last run on: June 27 13:39:21
Interface Speed Local pair Pair length        Remote pair Pair status
Gi1/0/16 1000M Pair A     52   +/- 10 meters Pair A      Normal
                Pair B     52   +/- 10 meters Pair B      Normal
                Pair C     52   +/- 10 meters Pair C      Normal
                Pair D     52   +/- 10 meters Pair D      Normal
SSwitch3#

Cisco 3020 Blade Switch gecrashed

Hi,
One of our Blade switches has crashed, error log as follows,
*Mar 1 05:31:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan550, changed state to up
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: System previously crashed with the following message:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Cisco IOS Software, CBS30X0 Software (CBS30X0-LANBASE-M), Version 12.2(25)SEF1, RELEASE SOFTWARE (fc3)
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Copyright (c) 1986-2006 by Cisco Systems, Inc.
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Compiled Tue 23-May-06 15:26 by antonino
.Dec 26 22:21:20: %PLATFORM-1-CRASHED:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Program Exception (0x0700)!
.Dec 26 22:21:20: %PLATFORM-1-CRASHED:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: SRR0 = 0x003C38AC SRR1 = 0x00029210 SRR2 = 0x00451BDC SRR3 = 0x00021200
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: ESR = 0x08000000 DEAR = 0x00000000 TSR = 0x84000000 DBSR = 0x00000000
.Dec 26 22:21:20: %PLATFORM-1-CRASHED:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: CPU Register Context:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Vector = 0x00000700 PC = 0x003C38AC MSR = 0x00029210 CR = 0x20000008
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: LR = 0x003C38A4 CTR = 0x0027C814 XER = 0x60000020
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R0 = 0x003C38A4 R1 = 0x014D6650 R2 = 0x00000000 R3 = 0x00000004
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R4 = 0x013A1E60 R5 = 0x00000001 R6 = 0x00433EDC R7 = 0x00000004
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R8 = 0x00029210 R9 = 0x00000002 R10 = 0x01220000 R11 = 0x00F60000
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R12 = 0x0070D567 R13 = 0x00110000 R14 = 0x00000002 R15 = 0x00000000
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R16 = 0x00000000 R17 = 0x00000000 R18 = 0x01220000 R19 = 0x01220000
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R20 = 0x00F0CF5C R21 = 0x012D27D0 R22 = 0x01220000 R23 = 0x0187F530
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R24 = 0x00000000 R25 = 0x0004073F R26 = 0x01220000 R27 = 0xEF180E50
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: R28 = 0xEF19007A R29 = 0x00000000 R30 = 0x01220000 R31 = 0x00000000
.Dec 26 22:21:20: %PLATFORM-1-CRASHED:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Stack trace:
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: PC = 0x003C38AC, SP = 0x014D6650
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 00: SP = 0x014D6678    PC = 0x003C38A4
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 01: SP = 0x014D6680    PC = 0x003C3964
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 02: SP = 0x014D66A0    PC = 0x004B97AC
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 03: SP = 0x0126264C    PC = 0x00451060
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 04: SP = 0x0126265C    PC = 0x00451008
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 05: SP = 0x0126267C    PC = 0x0045342C
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 06: SP = 0x01262684    PC = 0x004538F8
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 07: SP = 0x012626D0    PC = 0x00451110
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 08: SP = 0x0187F298    PC = 0x0000D3CC
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 09: SP = 0x0187F2A0    PC = 0x002659D8
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 10: SP = 0x0187F4D0    PC = 0x00423870
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 11: SP = 0x0187F4E8    PC = 0x00AAF21C
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 12: SP = 0x0187F528    PC = 0x006C9400
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 13: SP = 0x0187F5F8    PC = 0x006C8E04
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 14: SP = 0x0187F610    PC = 0x006C8A64
.Dec 26 22:21:20: %PLATFORM-1-CRASHED: Frame 15: SP = 0x0187F638    PC = 0x006C848C
.Dec 26 22:21:20: %PLATFORM-1-CRASHED:
Dec 27 09:10:14: %SYS-5-CONFIG_I: Configured from console by vty0 (172.22.25.22)
Please help to fixed this issue,
Asa,

Signal = 4, Vector = 0x700
Thank you very much for the output. They were very helpful.
Here's the story, the blade has been crashing because of the error "Signal = 4". I have never seen something like this so the only thing I can tell you is that this is a code that simply means "Illegal Opcode Exception". It could mean that you are running an old IOS and you're hitting a bug.
You can contact Cisco TAC and get them to analyze the crashinfo files. You can put this thread into the TAC Case so you don't need to repeat your story all over again.

Two forwarding root ports on cisco 3120 blade switch.

Hi,
 
 After upgrading blade switch 3120 to 12.2(46)SE, I could see two root ports in which both are forwarding.
 
 Te1/0/1 Root FWD 2000 128.27 P2p
 Te2/0/1 Root FWD 2000 128.81 P2p
 
 Where as STP should've kept the other root port as blocked state and named it has Alternate port.
 Also started seeing Mac flap messages.
 As soon as IOS was downgraded to 12.2(40)EX3, Problem was solved, even messages were stoped.
 Seems to be bug, but couldn't get any.
 

Hi Rob,
I have faced this issue with many enclosures so far and the only option left here is, you need to reboot the enclosure.
This is an issue with the IOS code and you have to open a case with HP to get the appropriate IOS ver. Probably 15.0 code has this issue resolved and I haven't seen this issue further after the Upgrade.
Thanks,
Sagar

DHCP on Cisco Catalyst 2950 Switch

Hello
I need to configure my cisco catalyst 2950 series switch in order to act as DHCP server for devices connected to its ports.
Please say me, how to do that ?
Thank you
Narek

Please find the sample DHCP configuration for one of the VLANs.
Interface Vlan1
description Cisco DHCP
ip address 10.10.2.1 255.255.255.0
ip dhcp pool cisco
network 10.10.2.0 255.255.255.0
default-router 10.10.2.1
domain-name mydomain.com
dns-server 10.10.2.10
netbios-name-server 10.10.2.15
lease 7
A 24 hour lease is the default if left out and the netbios-name-server is WINS in the Windows world.
If you want to use DHCP server for other VLANs as well create similar DHCP pools and assign the DG to the corresponding VLAN interface IP.
HTH, rate if it does
Narayan

Help with connecting MacBook Pro with Cisco Routing and Switches?

I'm running a CiscoASA 5510 router with several Cisco WS-C2960-48TT-L switches on a local network to connect with MacBook Pro. I need to be able to restrict access to specific users via their computer MAC address. ie: Joe Blow is limited to connecting through Switch 1 on port 10 and anywhere else he tries to plug in will simply not work.

You need to look at the documentation that came with your router and switches. Or ask your network admin to set it up. Your question has nothing to do with your Macbook Pro configuration. MAC filtering is done in the router not in the computers/devices connecting to the router.

Interface status on Cisco CAt 4500 switch as source-monitoring

Hi Guys,
I have assigned int gi3/45 on my Cisco 4500 CAT switch as the monitoring port as source and gi3/47 as the destination.
I see this:
GigabitEthernet3/45 is up, line protocol is down (monitoring)
but on the destination port both are up, interface up and line protocol up.
is this natural? I have executed the no shutdown on gi3/45 but it still says down!
is this normal? or there is a problem? i have monitoring on my edge switch CAT 3560 but both are saying UP/UP, shouldn't this be the same since both swithces are running Cisco IOS.
Please respond. I appreciate your input and thanks in advance.
Masood

this interface (g 3/45) is the destination, it says so "monitoring", it normal for the "destination" or "monitoring" port to be up/down coz it's not sending or receiving traffic destined to it, only the mirrored packets from the source port. can you post the "show monitor session #"?

Configuring Radius server with Cisco MDS - 9606 switch

Need help in configuring Radius server with cisco MDS - 9606
please let me know if any document available

rtt min/avg/max/mdev = 0.260/0.327/0.468/0.077 ms
IFCBCCEMCSW2# sh version
Cisco Storage Area Networking Operating System (SAN-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2008, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained herein are owned by
other third parties and are used and distributed under license.
Some parts of this software may be covered under the GNU Public
License or the GNU Lesser General Public License. A copy of
each such license is available at
http://www.gnu.org/licenses/gpl.html and
http://www.gnu.org/licenses/lgpl.html
Software
BIOS: version 1.1.0
loader: version 1.2(2)
kickstart: version 3.3(1c)
system: version 3.3(1c)
BIOS compile time: 10/24/03
kickstart image file is: bootflash:/m9500-sf1ek9-kickstart-mz.3.3.1c.bin
kickstart compile time: 5/23/2008 19:00:00 [06/19/2008 23:56:56]
system image file is: bootflash:/m9500-sf1ek9-mz.3.3.1c.bin
system compile time: 5/23/2008 19:00:00 [06/20/2008 00:26:51]
Hardware
cisco MDS 9506 ("Supervisor/Fabric-1")
Intel(R) Pentium(R) III CPU with 1028596 kB of memory.
Processor Board ID JAB094300ER
bootflash: 250368 kB
slot0: 0 kB

Router on a Stick with Cisco/Linksys SRW2024 Switch

Does anybody have experience with configuring a router on a stick type configuration with a non-Catalyst switch? I have a SRW2024 switch and a 2611 router. I would like to configure the switch with a trunk port and use dot1q encapsulation on subinterfaces on the router to route between the subnets. Configuring the router is simple, but the switch is very confusing and I just can't seem to get it to work. Any ideas? Is this even doable with this combonation of hardware?
Thanks in advance.
-Dan

The "Encapsulation dot1q 1 native" command is not a valid command on my router. Specifically, the native command is not an option. Perhaps that isn't in my IOS version?
IOS (tm) C2600 Software (C2600-JS56I-M), Version 12.0(7)T, RELEASE SOFTWARE (fc2)
IOS image: c2600-js56i-mz.120-7.T
However I did a whole lot of messing around with it today and I think I finally got it. The trouble is, IMHO, the switch menus are too messy and hard to understand. It seems to allow me to do impossible things which adds to the confusion.
Here's what worked for me:
My router config was correct to begin with.
Router-A (Cisco 2611):
interface Ethernet0/0
ip address 192.168.1.10 255.255.255.0
interface Ethernet0/0.2
encapsulation dot1Q 2
ip address 10.0.0.1 255.0.0.0
Switch (Linksys SRW20204):
Menu: Switch > VLAN Interface Settings
Select the port number of the port to be the trunk.
Set Port VLAN Mode to Trunk. Submit.
Menu: Switch > VLAN
Create a second VLAN with the ID of 2.
Add the ports to be "Included" on this VLAN.
Leave the workstation ports "Untagged".
(This is where I was screwing up)...
"Include" the Trunk port AND select "Tagged".
So basically, I was tagging the workstation ports and not the trunk port. But the correct way is the Trunk port must be Included on all VLANs and have Tagging turned on for all VLANs. All the workstation ports should be included on whatever VLAN they should be on but NOT Tagged. It makes sense now because a workstation would have no idea what to do with a tagged frame.
Why I can enable tagging on non-trunk ports is a mystery. They really should explain that better in the manual. Perhaps add some examples. I find the manual for this switch to be extremely vague overall.
Thakns for the help guys!
-Dan

STP LED status with Cisco Catalyst Blade Switch 3130

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