Hi all,
I am trying to do a l2tpv3 tunnel between 2 nodes over WAN:
SiteA ----GWA -----------WAN----------GWB ------ SiteB
My conf on GWA :
site-A:# ip l2tp add tunnel tunnel_id 3000 peer_tunnel_id 4000 encap udp
local 10.190.47.252 remote 10.254.1.99 udp_sport 5000 udp_dport 6000
site-A:# ip l2tp add session tunnel_id 3000 session_id 1000 peer_session_id 2000
site-A:# ip link set l2tpeth0 up mtu 1488
site-A:# ip addr add 10.42.1.1 peer 10.42.1.2 dev l2tpeth0
an on GWB
site-B:# ip l2tp add tunnel tunnel_id 4000 peer_tunnel_id 3000 encap udp
local 10.254.1.99 remote 10.190.47.252 udp_sport 6000 udp_dport 5000
site-B:# ip l2tp add session tunnel_id 4000 session_id 2000 peer_session_id 1000
site-B:# ip link set l2tpeth0 up mtu 1488
site-B:# ip addr add 10.42.1.2 peer 10.42.1.1 dev l2tpeth0
on GWA (siteA)
ping 10.41.1.2 =>From 10.42.1.1 icmp_seq=288 Destination Host Unreachable
on GWB(siteB)
tcpdump -i l2tpeth0
15:33:29.637148 ARP, Request who-has 10.42.1.2 tell 10.42.1.1, length 28
15:33:30.639847 ARP, Request who-has 10.42.1.2 tell 10.42.1.1, length 28
GWA :
l2tpeth0 Link encap:Ethernet HWaddr 0A:3E:FD:65:02:E3
inet addr:10.42.1.1 Bcast:0.0.0.0 Mask:255.255.255.255
UP BROADCAST RUNNING MULTICAST MTU:1488 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:231 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 TX bytes:22176
GWB :
l2tpeth0 Link encap:Ethernet HWaddr 12:4B:87:6E:02:91
inet addr:10.42.1.2 Bcast:0.0.0.0 Mask:255.255.255.255
UP BROADCAST RUNNING MULTICAST MTU:1488 Metric:1
RX packets:227 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12258 TX bytes:0
I don't know why GWB is not able to response to arp request who-was
Do you have an idea?
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