config t

!Remove old tunnel-group
no tunnel-group 154.45.49.25 ipsec-attributes

!Re-Configure new tunnel-group
tunnel-group 154.45.49.100 type ipsec-l2l
tunnel-group 154.45.49.100 ipsec-attributes
 ikev2 remote-authentication pre-shared-key 54PnTeTpMeZnmVGS74mK
 ikev2 local-authentication pre-shared-key 54PnTeTpMeZnmVGS74mK
exit
tunnel-group 154.45.49.100 general-attributes
 default-group-policy EuroCCP_GroupPolicy
exit

!Remove Old Peer from Crypto map
no crypto map CONET-Solutions_vpnmap 25 set peer 154.45.49.25

!Create New Peer on Crypto Map
crypto map CONET-Solutions_vpnmap 25 set peer 154.45.49.100

clear config tunnel-group 154.45.49.25

!Save Config
end
wr mem