Latest posts
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My New Favorite NTP Server Resource
Check the right side of the page for a regional server -> pool.ntp.org
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Mikrotik Newsletter 21
The PDF is found here. There are several interesting things listed in the most recent newsletter…as compared to the last…heh. The big news is that Router OS 4 is out of beta! This isn’t too surprising, since you had to use beta 4 to get 802.11N support. They are reminding you to update your bootloader…
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Cisco Policy Based Routing – Violate Route Table – Send Some Traffic One Way and Everything Else The Other
The idea in this scenario is as follows: You have two ISPs. You want all of your user’s web traffic to exit and enter ISP1 and everything else to exit and enter ISP2. You also need the ISP connections to backup each other in the case of a failure of either. Here’s our lovely diagram…
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Cisco – Multisite Single Cluster Call Manager 4.1 Design
On the heels of my CIPT test (call manager test), I’ve completely redesigned from the ground up our call manager configuration. I’ve changed the way the system works pretty much completely…hehe. I spent a good bit of time putting together the Visio, so I figured I would share it with you guys, and also explain…
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Cisco – Troubleshoot T1 PRI
So we have been turning up a new PRI lately and had HUGE amounts of trouble with it. It all came down to the fact that the telco told us to use the wrong PRI type, but that’s the fix…the fun was in the journey. Here are the steps we took to resolve the issue.…
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Cisco – IPSec Tunnel Termination via HSRP
James ran into this one the other day, and I found it interesting. If you have routers configured for high availability(HA) using hot stand-by routing protocol(HSRP) and you are doing straight IPSec tunnels, how would one go about terminating the tunnel on the virtual HSRP IP address? First, why would you want to do this?…
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Cisco ASA IP SLA – Failover Routing
It seems like everytime I want to do something funky with an ASA, Cisco says “ASAs are not routers, use them what they are designed for.” This really doesn’t help me…heh. ASAs can’t do PBR(Policy Based Routing – aka route maps)…which would have been useful more than a few times. Back on topic, failover routing.…