Came across this issue where application performance was poor and pings were hitting 500ms. At first I blamed it on FirePOWER module and of course disabling it fixed the issue. However, when I looked at CPU utilization on ASA (with FirePOWER off the policy-map) it was still sitting between 70-80%. …
Tag: Cisco ASA
Had an Avaya IP phone connected to Cisco ASA and not receiving an IP address from DHCP scope configured on ASA. PC connected behind the phone worked just fine. Turned out to be capitalization of DHCP options. What I had was this: dhcpd option 242 ascii MCIPADD=10.10.10.10,MCPORT=1719 When I changed …
When publicly signed certificate installed many years ago on ASA does expire and you request a new one from certificate provider all you get is just the new cert. If you are missing original private key you will need to perform these steps to get a new certificate installed on ASA. …
I’ve worked before with RSA Multi-Factor Authentication (MFA) solution but this is the first time I’ve integrated cloud-based MFA. I’ll skip configuration related to DUO setup and will concentrate on what is relevant to Cisco. With all kinds of DUO configuration guides and whitepapers I’ve struggled to find a clear …
I was setting up a site to site VPN over MPLS link and ran into this error message: Inbound TCP connection denied from … to … flags SYN on interface… This error would generate when traffic was entering Hub ASA and was suppose to traverse VPN tunnel and reach the …