SCTP // IPsec // Problems RFC2719

Hello All:

If i used IPsec for signaling links (megaco), i.e.
megaco/sctp/ip/ipsec/ip/802.3/phy, e.g. RFC 3554 IPsec
pver SCTP: then;

MGC------(megaco/sctp/ip/ipsec/ip/802.3/phy)---MG

i don´t know if i will have problems because RFC2719
it wrote this:

RFC2719
If the SIG embeds any IP addresses outside of the
SA/DA in the IP
   header, passage through a NAT function will cause
problems. The same
   is true for using IPsec in general, unless an IPsec
ready RSIP
   function is used as described in RFC 2663 [NAT].


Other question is:
How i must transport voice links of MG, with MPLS or
IPsec?


Cheers,

Ran

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