Le but est de monter un tunnel IPSec entre deux routeurs en utilisant des VTI.
La clé partagée est: 1234.
hostname R1
!
crypto isakmp policy 1
encr aes 256
authentication pre-share
group 2
crypto isakmp key 1234 address 10.2.2.1
crypto isakmp keepalive 10
!
!
crypto ipsec transform-set TS-1 esp-aes 256
!
crypto ipsec profile VTI
set transform-set TS-1
!
interface Tunnel0
description *** Vers Tunnel 1 premium ***
ip unnumbered Loopback0
ip mtu 1380
ip tcp adjust-mss 1340
tunnel source Loopback0
tunnel destination 10.2.2.1
tunnel mode ipsec ipv4
tunnel protection ipsec profile VTI
!
interface Loopback0
ip address 10.1.1.1 255.255.255.255
!
interface Loopback10
ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
router eigrp 10
redistribute connected
network 10.1.1.1 0.0.0.0
no auto-summary
!
ip route 10.2.2.1 255.255.255.255 192.168.1.2
!
La configuration est identique sur R2.
R1#show crypto ipsec sa
interface: Tunnel0
Crypto map tag: Tunnel0-head-0, local addr 10.1.1.1
protected vrf: (none)
local ident (addr/mask/prot/port): (0.0.0.0/0.0.0.0/0/0)
remote ident (addr/mask/prot/port): (0.0.0.0/0.0.0.0/0/0)
current_peer 10.2.2.1 port 500
PERMIT, flags={origin_is_acl,}
#pkts encaps: 16017, #pkts encrypt: 16017, #pkts digest: 16017
#pkts decaps: 15918, #pkts decrypt: 15918, #pkts verify: 15918
#pkts compressed: 0, #pkts decompressed: 0
#pkts not compressed: 0, #pkts compr. failed: 0
#pkts not decompressed: 0, #pkts decompress failed: 0
#send errors 0, #recv errors 0
local crypto endpt.: 10.1.1.1, remote crypto endpt.: 10.2.2.1
path mtu 1514, ip mtu 1514, ip mtu idb Loopback0
current outbound spi: 0xCF2A12E(217227566)
inbound esp sas:
spi: 0x8C8AD70B(2357909259)
transform: esp-256-aes ,
in use settings ={Tunnel, }
conn id: 1, flow_id: Motorola SEC 2.0:1, crypto map: Tunnel0-head-0
sa timing: remaining key lifetime (k/sec): (4596558/1206)
IV size: 16 bytes
replay detection support: Y
Status: ACTIVE
inbound ah sas:
inbound pcp sas:
outbound esp sas:
spi: 0xCF2A12E(217227566)
transform: esp-256-aes ,
in use settings ={Tunnel, }
conn id: 2, flow_id: Motorola SEC 2.0:2, crypto map: Tunnel0-head-0
sa timing: remaining key lifetime (k/sec): (4596542/1204)
IV size: 16 bytes
replay detection support: Y
Status: ACTIVE
outbound ah sas:
outbound pcp sas:
R1#
