How to verify serial number of Cisco chassis and module

1. Using " show version " Cisco_Chassis# show version : cisco WS-C6509 (R7000) processor (revision 2.0) with 458720K/65536K bytes of memory. Processor board ID SAL088Y27XX  …

Continue Reading...

SFP+ 10G specification

Check below Cisco link for SFP+ 10G specification   http://www.cisco.com/en/US/prod/collateral/modules/ps5455/data_sheet_c78-455693.html http://www.huihongfiber.com/sfp-plus.html

Continue Reading...

Cisco power redundancy operationally = non-redundant, why?

Tweet   Why Cisco 6509-E indicates "operationally non-redundant"? and  occasionally, one of slot is reloaded itself. It might be couple of reasons, but in my…

Continue Reading...

Fiber SFP(Small Form-Factor Pluggable) and Mini GBIC specification

See below reference, it explain SFP well. http://www.cisco.com/en/US/prod/collateral/modules/ps5455/ps6577/product_data_sheet0900aecd8033f885.html   http://www.cisco.com/en/US/products/hw/modules/ps4999/products_tech_note09186a00807a30d6.shtml

Continue Reading...

Cisco device log timestemp change command

Tweet Cisco CLI command you are looking for is this service timestamps debug datetime localtime service timestamps log uptime   It was before like below…

Continue Reading...

Navigating Cisco IOS features

If you are looking a right IOS for special features, requiring RAM and etc, check below link http://tools.cisco.com/ITDIT/CFN/Dispatch

Continue Reading...

How to make Cisco Router as HTTP server

Tweet While I was testing MQC with GNS3(Dynamips), I need to HTTP traffic from the router.  Here is simple way to make Cisco router as HTTP…

Continue Reading...

How to change individual T1 clocking source on ISE OC12 channellized card

Tweet How to change individual T1 clocking source on ISE OC12 channellized card. Cisco GSR#sh gsr Slot 0  type  = Modular SPA Interface Card        …

Continue Reading...

Password recovery Cisco Catalyst 5000 tips

Tweet Password recovery in Cisco Catalyst 5000 switch is performed in the following steps. Power cycle the Cisco Catalyst 5000 switch. Hit the Enter key…

Continue Reading...
cisco_logo.gif

Avoiding arthritis by using Cisco IOS Alias commands

Tweet Isn’t that too real on subject? I hope! I believe that at least some of you guys agree with me here. If someone is…

Continue Reading...

Cisco Configuration Register Value Set

Tweet   Configuration Register Setting Description 0x102 Ignores break 9600 console baud Boots from NVRAM 0x1202 1200 baud rate 0x2101   Boots into bootstrap  …

Continue Reading...

How to configure As-path-access-list 101

Tweet Here is example of As-path-access-list Cisco_Router#sh ip as-path-access-list 100 AS path access list 100     permit 3551[2-9]     permit 455[2-9][0-9]     permit 65[1-9][0-9]    …

Continue Reading...