Difference between revisions of "Troubleshooting ASA Firewalls"
From Tech-Wiki
| (10 intermediate revisions by the same user not shown) | |||
| Line 29: | Line 29: | ||
show asp drop | show asp drop | ||
show logging | show logging | ||
| + | |||
| + | Drop debug | ||
| + | capture drops type asp-drop all circular-buffer | ||
| + | show cap drops | include x.x.x.x | ||
| + | no cap drops | ||
High availability | High availability | ||
| Line 37: | Line 42: | ||
show nameif | show nameif | ||
show traffic | show traffic | ||
| + | show route | inc 10.1.1.1 | ||
Debug | Debug | ||
terminal monitor ! SSH sessions | terminal monitor ! SSH sessions | ||
| + | show arp | ||
debug icmp trace | debug icmp trace | ||
debug arp | debug arp | ||
| Line 54: | Line 61: | ||
# show logging | # show logging | ||
| − | Packet | + | Packet tracer |
| − | + | packet-tracer input interface_name tcp 1.1.1.1 1234 2.2.2.2 5678 | |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | Packet Capture | |
| − | + | capture pcap interface outside match tcp host 2.2.2.2 any eq 443 | |
| − | + | show capture pcap | inc 200.1.1.1 | |
| − | + | no capture pcap | |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
VPN | VPN | ||
show crypto isakmp sa | show crypto isakmp sa | ||
show crypto ipsec sa | show crypto ipsec sa | ||
Latest revision as of 18:29, 17 June 2019
Resource use
show cpu usage show cpu usage detailed show memory show blocks
Hardware and license information
show version show module all show mode
Connections and translations
show conn ! idle == no packets received for the last x seconds show perfmon show nat ! idle == last conn created was x seconds ago ! i-dynamic.timeout == will begin when the last conn is removed (3 hours) ! r-portmap.timeout == will begin when the last conn is removed (30 seconds) ! s-static.timeout == does not have show xlate show xlate detail show local-host
Drops
show service-policy show asp drop show logging
Drop debug
capture drops type asp-drop all circular-buffer show cap drops | include x.x.x.x no cap drops
High availability
show failover
Interface information
show ip show nameif show traffic show route | inc 10.1.1.1
Debug
terminal monitor ! SSH sessions show arp debug icmp trace debug arp debug esmtp debug http
Logging
(config)# logging enable (config)# logging timestamp (config)# logging buffered debugging (config)# logging monitor debugging (config)# logging trap debugging (config)# logging buffer-size 65000 # show logging
Packet tracer
packet-tracer input interface_name tcp 1.1.1.1 1234 2.2.2.2 5678
Packet Capture
capture pcap interface outside match tcp host 2.2.2.2 any eq 443 show capture pcap | inc 200.1.1.1 no capture pcap
VPN
show crypto isakmp sa show crypto ipsec sa