Cisco

Cisco Wireless | 1 Access Point with 2 Bandwidth Frequencies ( 2.4Ghz and 5 Ghz ) and both with the same SSID

Few weeks ago I was able to configure my cisco AP 1131 AG. I wanted to configure this device with 2 channel frequencies. 1 at 2.4Ghz and 1 at 5Ghz, both frequencies had to be in the same SSID. I created on my device 2 SSID’s 1 for my personal usage and 1 for my […]

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Get rid Cisco IOS router message: %FW-4-TCP_OoO_SEG: Dropping TCP Segment

Some times you will see on a Cisco IOS router the following message in your show logging: 009357: Jul 8 09:28:22.214 CDT: %FW-4-TCP_OoO_SEG: Dropping TCP Segment: seq:104330552 1492 bytes is out-of-order; expected seq:104304632. Reason: TCP reassembly queue overflow – session <internal host>:1535 to <external host>:80 This message can be very annoying if you see it.

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Simple cisco router configuration BGP [ 2 links] and NAT

Few weeks ago I struggled with a configuration that contained BGP and NAT. First I made some really difficult configuration which worked in GNS3 but eventually it didn’t worked on a real router. [ My configuration is based on a cisco router 2951 ] To create a configuration with BGP and NAT you’ve to do

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How to activate demo license on a cisco router 880 series

If you have a cisco router 880 serie with an advsecurity license but you find out your unable to use some protocols which you like to use. I found out that the cisco router 881w had an demo license of the advipsecurty license. router#sh license feature Feature name     Enforcement  Evaluation  Clear Allowed  Enabled advipservices         yes        

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Cisco IOS router + Cisco Catalyst automatic configuration Backup

Today I was figuring out how to get an automatic backup of the configuration of a cisco router device. After some searching I found a Cisco Document. ( click here ) In this document was written how to create an automatic backup. What do you need to create this backup. A computer or server with

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Cisco IOS Router 88x Serie License instalation / Activation.. using the CLI

Cisco IOS Router 88x Series License installation / Activation.. License Installation Using the CLI First copy this license to the router’s flash memory using the copy command and a TFTP server. Example: 881GW-demo#copy tftp flash Address or name of remote host [192.168.1.3]? Source filename []? 881GW-adv-IP.lic Destination filename [881GW-adv-IP.lic]? Accessing tftp://192.168.1.3/881GW-adv-IP.lic… Loading 881GW-adv-IP.lic from 192.168.1.3

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