Dear
1.I have one Router for Internet 1841.
this Router have 2 Interface as following :-
1- the First Interface is connected to MY ISP Router with this IP :-
213.255.237.105.
2- the Second Interface is connected to MY Switch 'UNMANAGED SWITCH ', with this
IP :-
213.255.237.113 / 248.
So, here is My question
the People who are behind interface 213.255.237.113 / 248 are 3 Peoples.
as follsoing :-
1- First PC --- have this IP 213.255.237.115 .
2- Second One --- 213.255.237.116
3- third one----213.255.237.117.
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untill Now, every thing is Clear.
MY E-mail server is hosted in MY ISP Side, and i am using POP3 Account to access it from any where .
Now, the Third user which have this Real IP Address ( 213.255.237.117 ), reported to me that , he is UNABLE COMPLETELY TO RECEIVE ANY E-MAILS using POP3, but he is able to send " SMTP", and able to browse Internet " HTTP".
the others Users did not reported at all like this Problem at all.
and all of them able to send / receive / browsing .
to make a test over his PC , i shutdown his PC Completely, and i put my LAPTOP instead of him, and with the same IP and i found that the same Problem.
All the IP are real IPs for the 2 interfaces which is F0/0 & F0/1 from MY ISP.
-------------
the Router is have this Access List:-
so where is the Problem ?
could it be from the ISP HIM SELF ? or from my router .
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1- access-list 1 permit 213.255.237.104 0.0.0.7.
2- access-list 1 permit 213.255.237.112 0.0.0.7.
4-access-list 2 permit 213.255.237.109.
access-list 103 deny ip 213.255.237.104 0.0.0.7 213.255.237.104 0.0.0.7.
access-list 103 deny ip 213.255.237.112 0.0.0.7 213.255.237.104 0.0.0.7.
access-list 103 deny tcp any 213.255.237.104 0.0.0.7 range 2000 2002.
access-list 103 deny tcp any 213.255.237.104 0.0.0.7 range 6000 6003.
access-list 103 deny udp any 213.255.237.104 0.0.0.7 range 6000 6003.
access-list 103 deny tcp any 213.255.237.104 0.0.0.7 eq 2049.
access-list 103 deny udp any 213.255.237.104 0.0.0.7 eq 2049.
access-list 103 deny tcp any 213.255.237.112 0.0.0.7 range 2000 2002.
access-list 103 deny tcp any 213.255.237.112 0.0.0.7 range 6000 6003.
access-list 103 deny udp any 213.255.237.112 0.0.0.7 range 6000 6003.
access-list 103 deny tcp any 213.255.237.112 0.0.0.7 eq 2049.
access-list 103 deny udp any 213.255.237.112 0.0.0.7 eq 2049.
access-list 103 deny tcp any host 213.255.237.115 eq 8080.
access-list 103 deny udp any host 213.255.237.115 eq 8080.
access-list 103 deny tcp any host 213.255.237.115 eq 8081.
access-list 103 deny udp any host 213.255.237.115 eq 8081.
access-list 103 deny tcp any host 213.255.237.116 eq 7988.
access-list 103 deny udp any host 213.255.237.116 eq 7988.
access-list 103 deny tcp any host 213.255.237.115 eq 8091.
access-list 103 deny udp any host 213.255.237.115 eq 8091.
access-list 103 permit udp any 213.255.237.104 0.0.0.7 gt 1023.
access-list 103 permit tcp any 213.255.237.104 0.0.0.7 gt 1023.
access-list 103 permit udp any 213.255.237.112 0.0.0.7 gt 1023.
access-list 103 permit tcp any 213.255.237.112 0.0.0.7 gt 1023.
access-list 103 deny tcp any 213.255.237.104 0.0.0.7.
access-list 103 deny udp any 213.255.237.112 0.0.0.7.
access-list 103 permit tcp any host 213.255.237.116 eq smtp.
access-list 103 permit tcp any host 213.255.237.116 eq pop3.
access-list 103 permit ip any any.
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interface FastEthernet0/0
description Interface connected to Access point
ip address 213.255.237.109 255.255.255.248
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 213.255.237.113 255.255.255.248
ip access-group 103 out
duplex auto
speed auto
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ip route 0.0.0.0 0.0.0.0 213.255.237.105
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