Cisco Systems

IP Subnetting Tips&Tricks - Study + Workbook Package

Hi, I've put together 2 IP Subnetting Books to help cut through the clutter and confusion of subnetting. It's hard work...

10 comments posted 17yrs

posted by nb2236

10 comments posted 17yrs posted by nb2236

List of security vulnerabilities of a certain IOS release

Is there a part of the cisco webpage that lists the security vulnerabilities of a certain IOS release? Let's say I have...

0 comments posted 17yrs

posted by morph.news

0 comments posted 17yrs posted by morph.news

877W site to site vpn

Hi Guys, Does any one have a sample config for the following: I want to run a site to site vpn and allow wireless users...

0 comments posted 17yrs

posted by andy.mas

0 comments posted 17yrs posted by andy.mas

A question for IPsec --SPK

Hi, I remembered that pre shared key use for ISAKMP phase-1. for authentication. Is that right? Can anyone give a detai...

1 comments posted 17yrs

posted by aaabbb16

1 comments posted 17yrs posted by aaabbb16

ASA 5510 WebVPN issue

Hi all, I use ASA WebVPN with portforwarding feature to ensure terminal services access to some internal servers. Every...

2 comments posted 17yrs

posted by alextech2

2 comments posted 17yrs posted by alextech2

Encryption WITHOUT IPsec

Is it possible to encrypt all TCP or IP packets going out to a corporate public virtual network without using IPsec. Al...

1 comments posted 17yrs

posted by lroy

1 comments posted 17yrs posted by lroy

MPLS VPN Issue - Can't Ping (MPLS Encapsulation Failed)

Hi, I copied the MPLS VPN configuration (with slight modifications) from the following document but can't ping any remo...

5 comments posted 17yrs

posted by p_danes

5 comments posted 17yrs posted by p_danes

SIP phones registration in Cisco Unified Call Manager Express

Hi all! I have a pair of questions that I would like somebody expert in CUCME (Cisco Unified Call Manager Express) to a...

0 comments posted 17yrs

posted by vhuertas

0 comments posted 17yrs posted by vhuertas

ACL question

Hi experts. We have a 2811 CME system running with two routed subnets. One is for management (192.168.1..../24), the ot...

4 comments posted 17yrs

posted by chris1971

4 comments posted 17yrs posted by chris1971

snmpwalk for Private Vlan counters on Cisco 3750

I have a script that does an snmpwalk like this snmpwalk -v 2c -c public ifHCInOCtet and I get IF-MIB::ifHCInOctets.1 =...

0 comments posted 17yrs

posted by spacemancw

0 comments posted 17yrs posted by spacemancw

pix and two internet links

Hello, I have a pix 515E. It's possible to have two internet links (A and B) (two ISPs differents) and to have two inte...

1 comments posted 17yrs

posted by amperis

1 comments posted 17yrs posted by amperis

Some Questions on VLAN Trunking and Layer 3 Routing

Hope this is not to verbose. -- What I am trying to do: I am trying to configure a Cisco 2948G-L3 and a Cisco 3548 for...

1 comments posted 17yrs

posted by naves.tom

1 comments posted 17yrs posted by naves.tom

host flapping

Hi on a cisco 4507 of mine I am getting a lot of these messages: %C4K_EBM-4-HOSTFLAPPING Host xx in vlan 1173 is flappi...

1 comments posted 17yrs

posted by die.spam

1 comments posted 17yrs posted by die.spam

AIR-AP1231G-A-K9 how to reset?

Hello everyone, I am having an issue with 20 of these units that came in because I cannot get the unit to do the "clear...

2 comments posted 17yrs

posted by SamPasic

2 comments posted 17yrs posted by SamPasic

IRB BVI0 interface, no ping possible from the router to inside hosts

Hi Group, Another problem: I have a remote site which has a Cisco 877W configured. It's a wireless model, and I had qui...

0 comments posted 17yrs

posted by me

0 comments posted 17yrs posted by me