Inspection Rate on ASA System Limit
Hi all,
we just testing ASA 5585-SSP60 with software 9.1.3. On the load-generator we found out that there are problems on the system with a inspection rate higher than 40K. Has anyone experience with that ? What is an inspection rate ASA should be able to handle? I didn´t find limits on Cisco.com.
Thanks in advance,
Hello,
I understand that you want to configure bandwidth limits for each AnyConnect client connection.
Unfortunately, the ASA does not currently support QoS policing of traffic on a per-user or per-IP-address basis:
https://supportforums.cisco.com/docs/DOC-1361#Q_Does_ASA_SSL_VPN_AnyConnect_Client_or_Clie
ntless_support_QOS_and_policing_bandwidth_management_capabilites
The feature has been requested but it seems it will not be integrated in the near future.
The available workaround is to use simple QoS as you mention but it is not scalable at all.
You may police the ASA WAN bandwidth based on the public IP address of each remote-access AnyConnect user hogging bandwidth:
access-list SSLVPN_LIMIT extended permit udp host host
(ASA ip address) eq 443
access-list SSLVPN_LIMIT extended permit tcp host host
(ASA ip address)
eq 443
class-map SSLVPN
match access-list SSLVPN_LIMIT
policy-map LIMIT
class SSLVPN
police input 1500000
police output 1500000
service-policy LIMIT interface outside
Thanks,
Itzcoatl
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