Tag Archives: Cisco
CCNP – Etherchannel trunk configuration
In my last post on Etherchannel, I reviewed how to setup an etherchannel for an access port configuration. When working with an inter-switch configuration or a virtual server configuration, you may occasionally need more than a 1 Gig connection when … Continue reading
CCNP – GRE over IPSEC (Part 3)
Now that you have one remote site up and running, bring up a second site to see what is involved with that and see how the routing will work. ! Remote Router (R3) ! interface FastEthernet0/0 (connects to SW1 port … Continue reading
CCNP – GRE over IPSEC (part 2)
In this installment of the GRE over IPSec series, we will put together the IPSec and Routing protocols portions of the config. Now we need to put the ACL’s in place for the “interesting” traffic to go over the IPSec … Continue reading
CCNP – GRE over IPSEC (Part 1)
One of the concept’s I ran across on the CCNP Route exam was dealing with a GRE over an IPSEC Tunnel. I had dealt with both individually but not at the same time. Because of that I had no frame … Continue reading
iPad for Engineers – Generating strong passwords
Creating passwords is not something that any of us really enjoys doing. To keep the wolfs at the door, we all need to do a better job with creating strong passwords. Sometimes you get into a rut and cant come … Continue reading
Network Toolkit – Basic etherchannel setup for server use
Once in a while I need to setup a multi-port connection between a server and one of the Cisco switches. This process is usually started by the vendor whose product is running on a server or by a group who … Continue reading
Network Toolkit – Cisco 10GbE Optics Cheat Sheet
As networks become faster and faster, we keep having to make changes to keep things going at warp speed. I had been doing some research lately on 10Gig fiber connections using Cisco gear. Finding the information as to what fiber … Continue reading
Change to Cisco RMA procedure
For those that haven’t had to work with Cisco TAC on an RMA return, there is a change that I ran into a couple of days ago that you might want to know about. In the past, you would get … Continue reading
Network Toolkit – Poor Man’s way of testing an SFP
When I walked into a company recently, they had a stack of SFP’s that were not in any type of anti-static container or bag. Needless to say, there was no way of telling at first glance if the SFP’s were … Continue reading
Network Toolkit – Routed vs switched interface
I was working on a switch recently and noticed a physical interface configured similar to this – Int gi3/5 ip address 10.1.1.2 255.255.255.0 This port was on a 6500 Chassis. The challenge I ran into was that I was replacing … Continue reading
