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traffic doesn't flow through IPS

Hi

my connectivity is like this

switch-->IPS-->ASA

i have configured the sensing interfaces in IPS to be in promiscous mode, but the traffic is not passing through

if i try to ping from switch to ASA through IPS it doesn't ping

if i bypass the IPS and connect the switch directly to ASA, i can ping ASA

please suggest what could be the issue

iam new to the IPS

Thanks Ravi

1 REPLY

Re: traffic doesn't flow through IPS

The topology you describe is for Physical Inline Interface Pair and not for Promiscuous mode.

switch-->IPS-->ASA

Have a look at this:

http://www.cisco.com/en/US/products/hw/vpndevc/ps4077/products_configuration_example09186a00809c37cb.shtml

A Promiscuous mode topology is something like:

IPS<----SPAN/VACL----switch------>ASA

Regards

Farrukh

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