Tech Blog
NetFlow setup for 3750x with C3KX-SM-10G
The Cisco 3750x switch does not support NetFlow natively, but the C3KX-SM-10G module has ASICs that support NetFlow. With the C3KX-SM-10G module, NetFlow can only be run on the 4 interfaces in the module -- this does not add NetFlow on the entire switch. It is...
Barracuda ADC Load Balancer with OWA – Login loop
We had a problem with Barracuda's ADC load balancer and Outlook Web App for Exchange 2013. The user would get to the OWA login screen and login only to be brought back to the login screen again in an endless loop. We were using the "Instant SSL" service type as...
Exchange 2013 DAG: Can’t add a database copy
IT Support We had an issue when attempting to add a database copy for any mailbox databases in a new DAG. We received one of the following errors every time, regardless of the source or destination server. The seeding operation failed. Error: An error occurred while...
Exchange 2013 – Can’t access ECP, 500 Unexpected Error
We had an issue with a client migrating from Exchange 2007 to 2013 where we couldn't access ECP on any of the new 2013 CAS servers. Instead we received the following: 500 Unexpected error : ( An error occurred and your request couldn't be completed. Please try...
Ubiquiti AP powers up & reachable via wifi, but no link on LAN
We've seen this happen twice recently with different customers so thought we should post our solution. We have seen where a Ubiquiti AP (NanoBeam & NanoStation) will power up via the power injector and the unit is reachable via wireless, but there is no link...
Adding PoE to a Cisco 890 Series Router
(C891FW-A-K9) In order to add PoE to an 891 router, the datasheet says you need "800-IL-PM-4 with 125W PSU." I had to use the Cisco Commerce Workspace to generate a config starting with the 800-IL-PM-4= part number and then added the 125W power supply there. The...
Outbound faxes from a Dialogic SR140 not using T.38
Had an issue with an IP fax server (RelayFax with a Dialogic SR140 connecting via SIP trunk to an Adtran SBC) where inbound faxes were working fine and using T38 but outbound faxes were never negotiating T.38 and falling back to G.711 passthrough. As a result we were...
Remove AddRules.htm from inbound faxes for RelayFax
By default RelayFax will add an attachment to inbound faxes named AddRules.htm. This attachment is a page that will allow users to mark certain fax senders as spammers. In cases where these emails will be picked up by copiers/printers via email, then this attachment...
HIPAA Privacy Rule
One of the most common requests from our Flat Fee IT customers, who are in the Health Care industry, has been regarding HIPAA. They are faced with the burden of providing proof of compliance. Just one look at one of our Evidence of HIPAA Compliance Reports and you can...
Perform a packet capture on an Adtran router
To perform a packet capture directly on an Adtran device do the following: ip access-list extended CAPTURE permit ip any host 1.2.3.4 permit ip host 1.2.3.4 any Where "1.2.3.4" is the IP that you want to watch. Then run debugging on that ACL: debug ip packet CAPTURE...