Network Address Translation Overview
How NAT Works ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
Figure 201.
... NAT Processing Flow
P ro c e s s b u f fe r
p a c k e t s
pass
yes
U p l in k N A T
p ro c e s s in g
C re a te F W fl o w ,
u p d a t e th e fl o w
a n d p a c k e t s t a t s
T o E C S
f o r f u r th e r
p r o c e s s in g
F lo o d in g
d e t e c t e d
U p d a t e s t a t is t ic s
a n d d ro p th e
p a c k e t
yes
no
N A T T ra n s la t io n
I s N A T p ro c e s s in g
s u c c e s s f u l?
no
yes
U p d a t e s t a t is t ic s
a n d d ro p th e
p a c k e t
Summary of Contents for ASR 5000 Series
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