After migration from Catalyst 3750-X to 9300 switch all of a sudden OSPF adjacency to ASA was not establishing. Since configuration did not change I started debugging it. Switch side was stuck in “INIT/DROTHER” state. ASA side had no neighbors. “Show OSPF” indicated that Area BACKBONE(0) was (Inactive). The interface …
Tag: Troubleshooting
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%. …
I was configuring a wireless Sensor in DNAC and ran into a few issues so I’ll post my finding here. First of all, you need to properly configure Sensor DHCP scope. Options 43 and 42 will be needed. Note that option 43 has the IP of DNAC. ip dhcp pool …
In Cisco DNA when you upload a Floor under Area menu you can choose default scaling options per image (width, length, height). But what if you do not know the default image scale? In this case, there is an option to manually measure a certain distance between known points within …
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 …