Tag Archives: Cisco

Cisco to Juniper BGP command conversions

Posted on March 15, 2020 by danmassey99

This is a short post to get a few BGP commands down that have become second nature on Cisco equipment but seem harder to tease out on JunOS! 1. Show a summary of the current BGP state: Cisco: show ip … Continue reading →

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Cisco ASA Dual ISP setup

Posted on October 16, 2019 by danmassey99

This post describes and tests some configurations to support multiple ISP or WAN connections on an ASA running FOS9. Im using an ASA 5506X for this demo and my software version does not use the bridge-groups out of the box … Continue reading →

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Cisco Anyconnect – Disconnect and Reconnect at login

Posted on October 9, 2019 by danmassey99

We have all had that experience when the Cisco Anyconnect client immediately disconnects after you have logged on and then starts reconnecting again. Its not life threatening, just irritating. The issue appears to be caused by an MTU mismatch, but … Continue reading →

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Basic WebVPN setup on the Cisco ASA 9.x

Posted on August 7, 2016 by danmassey99

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

Posted on June 21, 2013 by danmassey99

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

Posted on April 13, 2013 by danmassey99

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?

Posted on March 14, 2013 by danmassey99

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

Posted on February 12, 2013 by danmassey99

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

Posted on April 16, 2012 by danmassey99

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

Posted on February 13, 2012 by danmassey99

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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