Cisco Live! Europe: I'm in!

First time here, the impression is like being in the Willy Wonka chocolate factory with the big difference you can touch everything without disappear.

As my job is not focused on a single technology I'm registered to many different sessions, from WiFi to Security, from FCoE to …

Private VLAN configuration:

vlan 300
private-vlan primary
private-vlan association 301-302
!
vlan 301
private-vlan isolated
!
vlan 302
private-vlan community

Port configuration:

interface GigabitEthernet1/0/1
	switchport private-vlan host-association 300 301
	switchport mode private-vlan host

What about the SVI? …

Netflow quick notes for basic config.

NETFLOW EXPORT

Send NetFlow data to a collector:

• From? (source)
• Where? (destination, port)
• How? (udp, sctp, backup)
• Version? (1,5,9)

SAMPLING / FILTERING

Not all traffic is evaluated to generate NetFlow statistics. Sampling (one packet each N) of filtering (sampling only on a …

Your Route to Cisco Career Success  by Kevin Wallace

A free ebook from Amazon/Kindle about the strategy to prepare for a brilliant career in networking.

UPDATE: the book was free just for a limited amount of time (I got the link from Twitter).

A great blog and Youtube channel with a lot of resources for Cisco Wireless:

When a router config is saved with

copy run start

IOS asks for a destination filename:

RTR#copy running-config startup-config
Destination filename [startup-config]?
Building configuration...
[OK]

To bypass the request and use the default name startup-config do this:

RTR(config)#file prompt quiet

And then again

copy …

OSPF Forward Address (FA):

• works like BGP next-hop for OSPF external routes

• advertised only if next-hop is on a not-passive and multiaccess interface

• if there's not a route to FA address, route is not installed

• FA = 0.0.0.0 --> cost to ABR

• FA <> 0.0.0.0 --> cost to FA address

• NSSA --> FA is …

Today a customer called to change the IP address of a L2L VPN peer on his Cisco ASA 8.3(2)4.

The task can be divided in 3 steps:

1. Get the VPN password. It should be written somewhere in the network documentation, as stated by rule 7, but you know, password sometimes just get lost.

2. Find and update crypto map

   asa# sh …

Sometimes it can be useful to copy files to and from a Cisco ASA Firewall via SCP.

To enable SCP just type:

ssh scopy enable

Forgot the PSK of a VPN on a Cisco ASA? With this command you can see all the passwords in cleartext:

more system:running-configuration

Today I passed Cisco 642-983 DCUCI exam and it was a surprise to see two certifications on my Cisco curriculum:

Cisco Unified Computing Technology Support Specialist

and

Cisco Data Center Support for UC Specialist

The next step would be "Cisco Data Center Unified Computing Support Specialist" but since VCP is …

This week I'm attending Cisco DCUCI course in Milan. I have no experience on blade servers or Cisco UC plaftorm and it'll be a great opportunity to learn new topics and move another step towards the datacenter.

I've prepared for this course watching Cisco PEC videos and reading the two must-read books from Silvano Gai: …

Today I passed this Cisco exam: (642-647) Deploying Cisco ASA VPN Solutions v1.0 (VPN) and my CCSP certification is now updated to the new CCNP(Security).

I've prepared the exam on the Cisco Press Official Cert Guide. The exam was not very hard, probably because I work on Pix/Asa platforms since 2007. The guide is very …

Quick note about PPPoE address assignment.

IPCP

CLIENT

interface Dialer1
**ip address negotiated**
encapsulation ppp
dialer pool 1
dialer idle-timeout 0
dialer persistent
end

SERVER

ip dhcp-server 10.0.12.1
interface Virtual-Template10
ip address 10.0.32.2 255.255.255.0
peer default ip address dhcp
end

DHCP

CLIENT …