LVS NAT 内核调试输出

nidr

　　
　　IPVS: lookup service: fwm 0 TCP 172.16.20.102:8080 hit
IPVS: ip_vs_wrr_schedule(): Scheduling...
IPVS: WRR: server 192.168.0.2:80 activeconns 0 refcnt 1 weight 2
IPVS: Bind-dest TCP c:172.16.20.101:38900 v:172.16.20.102:8080 d:192.168.0.2:80 fwd:M s:0 conn->flags:100 conn->refcnt:1 dest->refcnt:2
IPVS: Schedule fwd:M c:172.16.20.101:38900 v:172.16.20.102:8080 d:192.168.0.2:80 conn->flags:140 conn->refcnt:2
IPVS: TCP input  [S...] 192.168.0.2:80->172.16.20.101:38900 state: NONE->SYN_RECV conn->refcnt:2
IPVS: Enter: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 386
IPVS: new dst 192.168.0.2, refcnt=2, rtos=0
IPVS: Leave: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 439
IPVS: Enter: ip_vs_out, net/netfilter/ipvs/ip_vs_core.c line 948
IPVS: lookup/out TCP 192.168.0.2:80->172.16.20.101:38900 hit
IPVS: Leave: handle_response, net/netfilter/ipvs/ip_vs_core.c line 925
IPVS: lookup/in TCP 172.16.20.101:38900->172.16.20.102:8080 hit
IPVS: TCP input  [..A.] 192.168.0.2:80->172.16.20.101:38900 state: SYN_RECV->ESTABLISHED conn->refcnt:2
IPVS: Enter: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 386
IPVS: Leave: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 439
IPVS: lookup/in TCP 172.16.20.101:38900->172.16.20.102:8080 hit
IPVS: Enter: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 386
IPVS: Leave: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 439
IPVS: Enter: ip_vs_out, net/netfilter/ipvs/ip_vs_core.c line 948
IPVS: lookup/out TCP 192.168.0.2:80->172.16.20.101:38900 hit
IPVS: Leave: handle_response, net/netfilter/ipvs/ip_vs_core.c line 925
IPVS: Enter: ip_vs_out, net/netfilter/ipvs/ip_vs_core.c line 948
IPVS: lookup/out TCP 192.168.0.2:80->172.16.20.101:38900 hit
IPVS: Leave: handle_response, net/netfilter/ipvs/ip_vs_core.c line 925
IPVS: lookup/in TCP 172.16.20.101:38900->172.16.20.102:8080 hit
IPVS: Enter: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 386
IPVS: Leave: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 439
IPVS: Enter: ip_vs_out, net/netfilter/ipvs/ip_vs_core.c line 948
IPVS: lookup/out TCP 192.168.0.2:80->172.16.20.101:38900 hit
IPVS: TCP output  [.FA.] 192.168.0.2:80->172.16.20.101:38900 state: ESTABLISHED->FIN_WAIT conn->refcnt:2
IPVS: Leave: handle_response, net/netfilter/ipvs/ip_vs_core.c line 925
IPVS: lookup/in TCP 172.16.20.101:38900->172.16.20.102:8080 hit
IPVS: TCP input  [.FA.] 192.168.0.2:80->172.16.20.101:38900 state: FIN_WAIT->TIME_WAIT conn->refcnt:2
IPVS: Enter: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 386
IPVS: Leave: ip_vs_nat_xmit, net/netfilter/ipvs/ip_vs_xmit.c line 439
IPVS: Enter: ip_vs_out, net/netfilter/ipvs/ip_vs_core.c line 948
IPVS: lookup/out TCP 192.168.0.2:80->172.16.20.101:38900 hit
IPVS: Leave: handle_response, net/netfilter/ipvs/ip_vs_core.c line 925
IPVS: Enter: ip_vs_send_async, net/netfilter/ipvs/ip_vs_sync.c line 1500
IPVS: Leave: ip_vs_send_async, net/netfilter/ipvs/ip_vs_sync.c line 1506
IPVS: Unbind-dest TCP c:172.16.20.101:38900 v:172.16.20.102:8080 d:192.168.0.2:80 fwd:M s:5 conn->flags:100 conn->refcnt:1 dest->refcnt:2