如下图所示,FW1作为某公司总部的网关设备,FW2作为分公司的网关设备。要求在总部和分公司之间建立GRE over IPsec VPN隧道,从而保证公司总部与分公司之间通信数据的完整性和安全性,下列那个配置时正确的?
这题在题库里没给出答案
A. interface Tunnel1 mode gre
ip address 8.8.8.1 255.255.255.0
source 172.1.169.12 0
destination 172.1.170.254 0 ipsec apply policy test
#
ipsec policy test 1 isakmp transform-set test security acl 3010
remote-address 8.8.8.2 ike-profile test
#
acl advanced 3010 description GRE_over_IPSec
rule 0 permitgre source 172.1.169.12 0 destination 172.1.170.254 0 #
ike key chian test
pre-share-key address 8.8.8.2 255.255.255.255 key cipher $c$3SvbBjWYfgqcf iUeHLegpqasjC8OqUQwwtIg==
#
ip route-static192.168.2.1 Tunnel1
B.
interface Tunnel1 mode gre
ip address 8.8.8.1 255.255.255.0
source 172.1.169.12 0
destination 172.1.170.254 0 ipsec apply policy test
#
ipsec policy test 1 isakmp transform-set test security acl 3010
remote-address 8.8.8.2 ike-profile test
#
acl advanced 3010 description GRE_over_IPSec
rule 0 permit gre source 192.168.1.254 0 destination 192.168.2.254 0 #
ike key chian test
pre-share-key address 8.8.8.2 255.255.255.255 key cipher $c$3SvbBjWYfgqcf iUeHLegpqasjC8OqUQwwtIg==
#
ip route-static192.168.2.1 Tunnel1
C. interface GigabitEthemet 1/0/0 port link-mode route
combo enable copper
ip address 172.1.169.12 255.255.255.0
ipsec apply policy test #
ipsec policy test 1 isa
transfrom-set test security acl 3010
remote-address 172.1.170.254 ike-profile test
#
acl advanced 3010 description GRE_over_IPSec
rule 0 permit gre source 172.1.169.12 0
destination 172.1.170.254 0 #
ike keychian test
pre-share-key address 172.1.170.254 255.255.255.255 key cipher $c$3SvbBjWYfgq cfUeHLegpqasjC8OqUQwwtlg==
#
ip route-static 192.168.2.1 Tunnel1
D. interface GigabitEthemet 1/0/0 port link-mode route
combo enable copper
ip address 172.1.169.12 255.255.255.0
ipsec apply policy test #
ipsec policy test 1 isakmp transfrom-set test security acl 3010
remote-address 172.1.170.254 ike-profile test
#
acl advanced 3010 description GRE_over_IPSec
rule 0 permit gre source 192.168.1.1 0
destination 192.168.2.1 0 #
ike keychian test
pre-share-key address 172.1.170.254 255.255.255.255 key cipher $c$3SvbBjWYfgq cfUeHLegpqasjC8OqUQwwtlg==
#
ip route-static 192.168.2.1 Tunnel1
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