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Network Access Control

Cisco Access Control Server (ACS), Identity Services Engine (ISE), Zero Trust Workplace

31969 Posts

Network Security

Engage with peers and experts on network security topics such as FTD, FMC, FDM, CDO and ASA.

70603 Posts

Duo Security

Get started with or get better at administering and using Duo by interacting with peers and experts!

3238 Posts

Activity in Security

Resolved! FMC DHCP server, can't go beyond 256 IP addresses.

I need to service Isolated VLANS and I don't want to use VM's or setup a DHCP server for each VLAN.  Since I need more than 256 IP's on many VLANS, I'm trying to figure out what to do.  I do have 9400 switches connected to the FTD's but I'm wavering ...

red2play by Level 1
  • 121 Views
  • 3 replies
  • 1 Helpful votes

SFP Down on FPR 4100

Am trying to configure the Cisco FPR 4112 box. So far Chassis management has been configured and am able to access and manage the box ok either via SSH or Firepower Chassis Manager. The connection to the box via the chassis management port is success...

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Anyconnect backup server failover time

I have a VPN profile setup for Anyconnect with backup server configured. (AnyConnect Secure Mobility Client 4.10)If the primary server is not available, the client fails over to the backup server and connects as expected.The client takes over 60 seco...

CYKmb by Level 1
  • 1504 Views
  • 21 replies
  • 0 Helpful votes

Implemention of IPsec VPNs

                                                                               IPsec VPN’sIntroductionIPsec ProtocolsIPsec ModesInternet Key Exchange (IKE) protocolIKE Phases: Phase-1 and Phase-2IPsec VPN ConfiguratonConclusionIntroduction:The “IPSec...

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ISE eval license expire - what happens then?

Hello, we have an eval license wich expires in 30 days.  We are consuming 500 essencial (dot1x and mab)and 200 advantage (profiling). We are in the process of buying the licenses, but is slow What would happen in 30 days ,assuming I will get the lic...

babalao by Spotlight
  • 77 Views
  • 1 replies
  • 0 Helpful votes

Testing Firewall before cutover from production

Hello All,I have a brand new Firewall 3105 and we have completed the initial setup and inside and outside interface,route and nat configs. Before the cutover of production traffic from existing firewall I need to test the traffic with Sample policy i...

multiple data vlans across wired NAC

We have a campus network which is distributed across buildings using different data and voice networks. These vlans on the MDF are labelled as vlan 20 (data) and vlan 30 (voice). When deploying the wired NAC configurations on the distribution switche...

arane0001 by Level 1
  • 145 Views
  • 3 replies
  • 0 Helpful votes

Unable to SSH from one switch to another

Hi all,I have two RADIUS Servers,all switches are authenticated and authorized via the radius. I have an ACL tied to the vty lines to limit access to the switch. While DC1 is ON I can ssh from one switch to another.When I turn OFF/disconnect DC2 and ...

Ranjita by Level 1
  • 72 Views
  • 1 replies
  • 0 Helpful votes

Resolved! HP Printer failing 8021x

Anyone have issues with getting an HP printer to authenticate via 8021x?  Model/Series = HP Laserjet m452nw ISE failure reason = 12851 Received unexpected EAP NAK message. Client rejected the conversation ISE expects for regular conversation continua...

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