Hello
Yes you can,
Public ASN = 123
Local ASN =321 < this is the ASN you want to hide behind>
EBGP peer ASN = 555
local-as <---Instructs the peer this is the ASN to peer with
no-prepend <-- Instructs peer router NOT prepend the fake ASN for advertised prefix's it receives
replace-as < --Local rtr will NOT prepend the fake ASN in advertised prefix's to its peer
dual-as <--peer can form peering with either ASN
Local RTR
router bgp 123
neighbour x.x.x.x remote-as 555 local-as 321 no-prepend replace-as
EBGP peer RTR
router bgp 555
neighbour x.x.x.x remote-as 321
res
Paul
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Kind Regards
Paul
