Cann't ping into lan

I was wondering my mikrotik cann’t send log to my syslog daemon, found out that mikrotik cann’t ping(timeout) neither access the lan, i am connecting through ppoe-client.

[Solaris@Gateway] /ip address> pr
Flags: X - disabled, I - invalid, D - dynamic 
 #   ADDRESS            NETWORK         INTERFACE                                
 0   ;;; Workstation Usage
     192.168.77.1/28    192.168.77.0    Workstation                              
 1 D WAN_IP/32  WAN_GATEWAY   ppoe_out



[Solaris@Gateway] /ip route> pr
Flags: X - disabled, A - active, D - dynamic, 
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, 
B - blackhole, U - unreachable, P - prohibit 
 #      DST-ADDRESS        PREF-SRC        GATEWAY            DISTANCE
 0 ADS  0.0.0.0/0                          WAN_IP      1       
 1 ADC  WAN_IP/32   WAN_GATEWAY  ppoe_out         0       
 2 ADC  192.168.77.0/28    192.168.77.1    Workstation        0



[Solaris@Gateway] /ip firewall nat> pr
Flags: X - disabled, I - invalid, D - dynamic 
 0   chain=srcnat action=masquerade out-interface=ppoe_out



[Solaris@Gateway] /ip firewall filter> pr
Flags: X - disabled, I - invalid, D - dynamic 
 0   ;;; Allow limited pings
     chain=input action=accept protocol=icmp limit=50/5s,2 

 1   ;;; From our LAN
     chain=input action=accept src-address=192.168.77.0/28 
     in-interface=Workstation 

 2   ;;; Accept established connections
     chain=input action=accept connection-state=established 

 3   ;;; Accept related connections
     chain=input action=accept connection-state=related 

 8   ;;; Drop invalid connections
     chain=input action=drop connection-state=invalid 

 9   ;;; Log everything else
     chain=input action=log log-prefix="DROP INPUT" 

10   ;;; NMAP FIN Stealth scan
     chain=input action=add-src-to-address-list 
     tcp-flags=fin,!syn,!rst,!psh,!ack,!urg protocol=tcp 
     address-list=port scanners address-list-timeout=2w 

11   ;;; SYN/FIN scan
     chain=input action=add-src-to-address-list tcp-flags=fin,syn protocol=tcp 
     address-list=port scanners address-list-timeout=2w 

12   ;;; SYN/RST scan
     chain=input action=add-src-to-address-list tcp-flags=syn,rst protocol=tcp 
     address-list=port scanners address-list-timeout=2w 

13   ;;; FIN/PSH/URG scan
     chain=input action=add-src-to-address-list 
     tcp-flags=fin,psh,urg,!syn,!rst,!ack protocol=tcp 
     address-list=port scanners address-list-timeout=2w 

14   ;;; ALL/ALL scan
     chain=input action=add-src-to-address-list 
     tcp-flags=fin,syn,rst,psh,ack,urg protocol=tcp address-list=port scanners 
     address-list-timeout=2w 

15   ;;; NMAP NULL scan
     chain=input action=add-src-to-address-list 
     tcp-flags=!fin,!syn,!rst,!psh,!ack,!urg protocol=tcp 
     address-list=port scanners address-list-timeout=2w 

16   ;;; UDP
     chain=input action=accept protocol=udp 

17   ;;; Drop excess pings
     chain=input action=drop protocol=icmp 

18   ;;; Drop everything else
     chain=input action=drop

I haven’t play around with mikrotik for a while so any helps appreciated.

anyone ?, internet connection works fine, the lan client able to ping the mikrotik gateway.