2 vpn channels with gre tunnel ans ospf quagga
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gustavo
strongswan
- /etc/ipsec.conf
conn gustavo-tiazel-1
authby=secret
type=transport
left=10.84.252.33
right=10.84.252.32
auto=start
conn gustavo-tiazel-2
authby=secret
type=transport
left=10.84.244.33
right=10.84.244.32
auto=start
- /etc/ipsec.secret
10.84.252.33 10.84.252.31 : PSK "suxer" 10.84.244.33 10.84.244.31 : PSK "suxer"
gre tunnel
#!/bin/bash modprobe ip_gre LIP1="10.84.252.33" RIP1="10.84.252.32" LIP2="10.84.244.33" RIP2="10.84.244.32" LTIP1="10.1.1.33" RTIP1="10.1.1.32" LTIP2="10.1.8.33" RTIP2="10.1.8.32" ip tunnel add gt1 mode gre remote $RIP1 local $LIP1 ttl 255 ip tunnel add gt2 mode gre remote $RIP2 local $LIP2 ttl 255 ip address add dev gt1 $LTIP1 peer $RTIP1/32 ip address add dev gt2 $LTIP2 peer $RTIP2/32 ip link set gt1 up ip link set gt2 up
quagga
log file /var/log/quagga/quagga.log ! interface dummy0 ipv6 nd suppress-ra no link-detect ! interface ens3 ipv6 nd suppress-ra no link-detect ! interface ens6 ipv6 nd suppress-ra no link-detect ! interface ens7 ipv6 nd suppress-ra no link-detect ! interface gre0 ipv6 nd suppress-ra no link-detect ! interface gretap0 ipv6 nd suppress-ra no link-detect ! interface gt1 ipv6 nd suppress-ra no link-detect ! interface gt2 ipv6 nd suppress-ra no link-detect ! interface lo no link-detect ! router ospf ospf router-id 10.83.33.1 redistribute static passive-interface ens6 network 10.1.1.32/32 area 0.0.0.0 network 10.1.8.32/32 area 0.0.0.0 network 10.83.33.0/24 area 0.0.0.0 network 192.168.77.0/24 area 0.0.0.0 ! ip forwarding ! line vty
tiazel
strongswan
- /etc/ipsec.conf
conn gustavo-tiazel-1
authby=secret
type=transport
left=10.84.252.33
right=10.84.252.32
auto=start
conn gustavo-tiazel-2
authby=secret
type=transport
left=10.84.244.33
right=10.84.244.32
auto=start
- /etc/ipsec.secret
10.84.252.32 10.84.252.33 : PSK "suxer" 10.84.244.32 10.84.244.33 : PSK "suxer"
gre tunnel
#!/bin/bash modprobe ip_gre LIP1="10.84.252.32" RIP1="10.84.252.33" LIP2="10.84.244.32" RIP2="10.84.244.33" LTIP1="10.1.1.32" RTIP1="10.1.1.33" LTIP2="10.1.8.32" RTIP2="10.1.8.33" ip tunnel add gt1 mode gre remote $RIP1 local $LIP1 ttl 255 ip tunnel add gt2 mode gre remote $RIP2 local $LIP2 ttl 255 ip address add dev gt1 $LTIP1 peer $RTIP1/32 ip address add dev gt2 $LTIP2 peer $RTIP2/32 ip link set gt1 up ip link set gt2 up
quagga
log file /var/log/quagga/quagga.log ! interface dummy0 ipv6 nd suppress-ra no link-detect ! interface ens3 ipv6 nd suppress-ra no link-detect ! interface ens6 ipv6 nd suppress-ra no link-detect ! interface ens7 ipv6 nd suppress-ra no link-detect ! interface gre0 ipv6 nd suppress-ra no link-detect ! interface gretap0 ipv6 nd suppress-ra no link-detect ! interface gt1 ipv6 nd suppress-ra no link-detect ! interface gt2 ipv6 nd suppress-ra no link-detect ! interface lo no link-detect ! router ospf ospf router-id 10.83.32.1 passive-interface ens6 network 10.1.1.33/32 area 0.0.0.0 network 10.1.8.33/32 area 0.0.0.0 network 10.83.32.0/24 area 0.0.0.0 ! ip route 192.168.77.0/24 10.83.32.11 ! ip forwarding ! line vty
Infos
gustavo
- show ip ospf route
============ OSPF network routing table ============
N 10.1.1.32/32 [10] area: 0.0.0.0
directly attached to gt1
N 10.1.8.32/32 [10] area: 0.0.0.0
directly attached to gt2
N 10.83.32.0/24 [20] area: 0.0.0.0
via 10.1.1.32, gt1
via 10.1.8.32, gt2
N 10.83.33.0/24 [10] area: 0.0.0.0
directly attached to ens6
============ OSPF router routing table =============
R 10.83.32.1 [10] area: 0.0.0.0, ASBR
via 10.1.1.32, gt1
via 10.1.8.32, gt2
============ OSPF external routing table ===========
N E2 192.168.77.0/24 [20/20] tag: 0
via 10.1.1.32, gt1
via 10.1.8.32, gt2
- show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface RXmtL RqstL DBsmL 10.83.32.1 1 Full/DROther 34.557s 10.1.1.32 gt1:10.1.1.33 0 0 0 10.83.32.1 1 Full/DROther 34.557s 10.1.8.32 gt2:10.1.8.33 0 0 0
- show ip ospf database
OSPF Router with ID (10.83.33.1)
Router Link States (Area 0.0.0.0)
Link ID ADV Router Age Seq# CkSum Link count
10.83.32.1 10.83.32.1 1369 0x8000002e 0xccae 5
10.83.33.1 10.83.33.1 1466 0x8000002d 0x6d10 5
AS External Link States
Link ID ADV Router Age Seq# CkSum Route
192.168.77.0 10.83.32.1 1369 0x80000001 0x5ea2 E2 192.168.77.0/24 [0x0]
- show ip ospf interface gt1
gt1 is up
ifindex 7, MTU 1476 bytes, BW 0 Kbit <UP,POINTOPOINT,RUNNING,NOARP>
Internet Address 10.1.1.33/32, Peer 10.1.1.32, Area 0.0.0.0
MTU mismatch detection:enabled
Router ID 10.83.33.1, Network Type POINTOPOINT, Cost: 10
Transmit Delay is 1 sec, State Point-To-Point, Priority 1
No designated router on this network
No backup designated router on this network
Multicast group memberships: OSPFAllRouters
Timer intervals configured, Hello 10s, Dead 40s, Wait 40s, Retransmit 5
Hello due in 3.925s
Neighbor Count is 1, Adjacent neighbor count is 1