Tag Archives: Cisco

Basic WebVPN setup on the Cisco ASA 9.x

We have resisted the change for a long time, bit its time to finally move some of our customers over to the SSL VPN who were previously using the IPSec Remote Access VPN. Windows 10 does not support the IPSec client … Continue reading

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PPP Multilinking over ADSL

Well the broadband where I live is shocking. Although its now managed to creep up to a staggering 6mbps, it still well below what I’d hope for in todays world. On the bright side its quiet and we overlook countryside, … Continue reading

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Fun (?!) with Cisco OSPF part 1

There are several factors involved in successfully forming an OSPF neighbourship, these are: Must pass the authentication process Must be in the same subnet with a matching mask Must be in the same OSPF area Stub flag must match Unique … Continue reading

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Are Cisco moving EIGRP into the public domain?

It looks as if Cisco may be moving their proprietary distance vector based EIGRP into the public domain. EIGRP is quick and easy to deploy, but is only available on Cisco devices – Maybe this will make it more popular? … Continue reading

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Mixing IPv4 and IPv6 on Cisco Zone Based Firewall

My first attempt at this was not a great success as i was using a router on version 12.4.x which did not support the ZBF using IPv6 – nice to know! Moving on to IOS version 15.x, all seems to … Continue reading

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Cisco Zone Based Firewall setup

Another learning block in the 642-637 exam and more being dragged into the 21st century kicking and screaming! No more CBAC, its all zone based now, and with added MQC configuration style. Heres a few rules to start us off: … Continue reading

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Detecting the source of a DOS attack with Cisco Netflow

A very late night call last night/this morning was a support ticket for a none responsive LNS (L2TP Network Server). The LNS normally terminates around 1000 VPDN sessions but was dropping just about all the traffic. A cursory glance at … Continue reading

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Using Mac native VPN client with Cisco VPN

First post of the year! A colleague of mine just emailed to ask how to connect to our network from his Macbook Pro whilst abroad. The quick and easy answer is to use our company VPN which still runs on … Continue reading

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Using Active Directory to Authenticate VPN Users on Cisco ASA

We have a client who has circa 200 users with a significant number of roaming users. The roaming users access to the network is via a remote access VPN. Initially the users credentials were added to the Cisco ASA like … Continue reading

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Cisco port speeds

To day came across something i’d not seen before. One of our interconnect providers had set the port to which we connect as follows and had assured us that it would auto negotiate to whatever speed it could but in … Continue reading

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