Trunking across Cisco ASA 5520 / 5505

I currently have a Cisco ASA 5505 in place as a stop gap solution while I configure redundant Cisco 5520's.

The existing / future ASA devices are planned to run in Transparent mode.

I'm not seeing cdp traffic pass across the asa 5505... I'm wondering whether or not the ASA 5505 trunks traffic by default or if I need to specify trunking at CLI.

The links auto-negotiated to access mode. When I specified trunk links, the switches on either end of the ASA didn't complain.

Thoughts?
c-h-r-i-s-t-o-p-hAsked:
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RPPreacherCommented:
Cisco ASA 5505 needs the advanced endpoint assessment license to support trunking.  Part ASA-ADV-END-SEC

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c-h-r-i-s-t-o-p-hAuthor Commented:
Is that the same for the  5520
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RPPreacherCommented:
I don't think so.
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c-h-r-i-s-t-o-p-hAuthor Commented:
Let me rephrase does the 5520 support trunking out of the box?
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RPPreacherCommented:
Yes.
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