Network Security

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Hi I have a new ISR4321 router which is replacing an ISR877. The ISR4321 has two IPSEC over VTI connections to two other ISR's. The ISR4321 is unable to establish IPSEC over VTI, but simple GRE over VTI works fine. The ISAKMP response on the remote I...

Hi,   I'm looking for a decent book on a Asa 5506-X with Firepower services (preferably with configuration examples). I've looked around but can't seem to find one. There's a good amount of books available on Asa's but they are either outdated or not...

mmzzaq by Level 1
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  • 3 replies
  • 0 Helpful votes

Hello, I'm getting the following errors when trying to perform a software update from our centralized Cisco FMC to a Cisco 5508-X FTD appliance. Trying to update the FTD to version 6.2.0.2 from 6.2.0. Error1: <MGMT_IP> : Unknown fatal error : Executi...

mduhra by Level 1
  • 1258 Views
  • 2 replies
  • 0 Helpful votes

What's the best way to crate a second VLAN on a 5506? Client has a 10.1.1.x subnet setup on interface 1/2 (inside) with interface 1/1 (outside) holding the public IP. Now they have a second domain on a 10.10.10.x subnet that will need internet access...

Jack-ITP by Level 1
  • 400 Views
  • 1 replies
  • 0 Helpful votes

Hi,I  am having two dc switches with FWSM modules installed. DC switch1 FWSM  (Ver 3.2(12) is wokring as active and Secondary DC switch2 FWSM (ver  3.2.(12) is in standby mode.From  yesterday I am trying to login primary FWSM, It is accepting my  use...

Hello,   Suppose we have two NAT rules under 'NAT Rules';   #    Type          Original (Source)     Original (Destination)        Interface (Translated)     Address(Translated) 1    Exempt      ANY                        ANY                         ...

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