There are no errors or anything else suspicious in the event log during the time traffic is not flowing. According to the event log, the VPN looks like it should be working perfectly. Here is the SA info from both sides during the time traffic is not flowing. ID1 is the one in question:
ns5gtFL-> get sa total configured sa: 2 HEX ID Gateway Port Algorithm SPI Life:sec kb Sta PID vsys 00000001< 23.114.xxx.xxx 500 esp:3des/sha1 ec768bb9 86370 unlim A/- 4 0 00000001> 23.114.xxx.xxx 500 esp:3des/sha1 c5ed3171 86370 unlim A/- 3 0 00000002< 71.195.xxx.xxx 10952 esp:3des/sha1 ec768bb8 3343 unlim A/- 5 0 00000002> 71.195.xxx.xxx 10952 esp:3des/sha1 81d6040f 3343 unlim A/- 6 0 ns5gtFL-> get sa id 00000001 index 0, name Madera VPN, peer gateway ip 23.114.xxx.xxx. vsys<Root> auto key. policy node, tunnel mode, policy id in:<4> out:<3> vpngrp:<-1>. sa_list_nxt:<-1>. tunnel id 1, peer id 0, NSRP Local. site-to-site. Local interface is untrust <104.4.xxx.xxx>. esp, group 2, 3des encryption, sha1 authentication autokey, IN active, OUT active monitor<0>, latency: 0, availability: 0 DF bit: clear app_sa_flags: 0x2063 proxy id: local 10.0.1.0/255.255.255.0, remote 10.0.0.0/255.255.255.0, proto 0, port 0 ike activity timestamp: 1064862367 st_ref_cnt: 0 nat-traversal map not available incoming: SPI ec768bb9, flag 00004000, tunnel info 40000001, pipeline life 86400 sec, 86356 remain, 0 kb, 0 bytes remain anti-replay off, idle timeout value <0>, idled 44 seconds next pak sequence number: 0x0 incoming secondary: SPI ec768bb5, flag 0000c000, tunnel info 40000001, pipeline life 86400 sec, 1141 remain, 0 kb, 0 bytes remain anti-replay off, idle timeout value <0>, idled 46 seconds next pak sequence number: 0x0 outgoing: SPI c5ed3171, flag 00000000, tunnel info 40000001, pipeline life 86400 sec, 86356 remain, 0 kb, 0 bytes remain --- more --- anti-replay off, idle timeout value <0>, idled 2 seconds next pak sequence number: 0x2e
ns5gt-> get sa total configured sa: 8 HEX ID Gateway Port Algorithm SPI Life:sec kb Sta PID vsys 00000007< 71.195.xxx.xxx 10952 esp:3des/sha1 c5ed3170 2923 unlim A/- 18 0 00000007> 71.195.xxx.xxx 10952 esp:3des/sha1 6b7c05af 2923 unlim A/- 19 0 00000006< 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 15 0 00000006> 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 16 0 00000005< 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 13 0 00000005> 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 14 0 00000004< 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 11 0 00000004> 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 12 0 00000003< 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 9 0 00000003> 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 10 0 00000002< 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 7 0 00000002> 0.0.0.0 500 esp:3des/sha1 00000000 expir unlim I/I 8 0 00000008< 108.223.xxx.xxx 10952 esp:3des/sha1 c5ed3167 expir unlim I/I 26 0 00000008> 108.223.xxx.xxx 10952 esp:3des/sha1 35640f1c expir unlim I/I 25 0 00000001< 104.4.xxx.xxx 500 esp:3des/sha1 c5ed3171 86314 unlim A/- 6 0 00000001> 104.4.xxx.xxx 500 esp:3des/sha1 ec768bb9 86314 unlim A/- 5 0 ns5gt-> get sa id 00000001 index 7, name Florida VPN, peer gateway ip 104.4.xxx.xxx. vsys<Root> auto key. policy node, tunnel mode, policy id in:<6> out:<5> vpngrp:<-1>. sa_list_nxt:<-1>. tunnel id 1, peer id 0, NSRP Local. site-to-site. Local interface is untrust <23.114.xxx.xxx>. esp, group 2, 3des encryption, sha1 authentication autokey, IN active, OUT active monitor<0>, latency: 0, availability: 0 DF bit: clear app_sa_flags: 0x2063 proxy id: local 10.0.0.0/255.255.255.0, remote 10.0.1.0/255.255.255.0, proto 0, port 0 ike activity timestamp: 1066227779 st_ref_cnt: 0 nat-traversal map not available incoming: SPI c5ed3171, flag 00004000, tunnel info 40000001, pipeline life 86400 sec, 86294 remain, 0 kb, 0 bytes remain anti-replay off, idle timeout value <0>, idled 106 seconds next pak sequence number: 0x0 outgoing: SPI ec768bb9, flag 00000000, tunnel info 40000001, pipeline life 86400 sec, 86294 remain, 0 kb, 0 bytes remain anti-replay off, idle timeout value <0>, idled 2 seconds next pak sequence number: 0x82