Tech Support > Computer Hardware > Routers > Cisco 1720, problem sending emails (SMTP)
Cisco 1720, problem sending emails (SMTP)
Posted by Asam on October 12th, 2005


Here is my configuration:

[INET ROUTER]----[LAN]-----[CISCO 1720]-----[2nd LAN]

I manage to reach the internet as well as LAN from 2nd LAN.
Cisco router makes routing and NAT (PAT)

Everything goes well except:

I can't ping a workstation on 2nd LAN from Cisco 1720 (but the same
workstation manages to ping cisco interface?!?.....)

and also, I can't send emails bigger than about 30ko, sending process
stops and I get a connection error.

here is my configuration:

etiam#sh run
Building configuration...

Current configuration : 905 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname etiam
!
!
memory-size iomem 20
ip subnet-zero
!
!
!
ip audit notify log
ip audit po max-events 100
ip ssh time-out 120
ip ssh authentication-retries 3
!
crypto mib ipsec flowmib history tunnel size 200
crypto mib ipsec flowmib history failure size 200
!
!
!
interface Ethernet0
ip address 192.168.0.226 255.255.255.0
no ip proxy-arp
ip mtu 1490
ip nat outside
full-duplex
no cdp enable
!
interface FastEthernet0
ip address 172.16.1.254 255.255.255.0
no ip proxy-arp
ip nat inside
speed auto
full-duplex
no cdp enable
!
ip nat inside source list 1 interface Ethernet0 overload
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.0.1
ip http server
ip pim bidir-enable
!
access-list 1 permit any
no cdp run
!
!
line con 0
line aux 0
line vty 0 4
login
!
no scheduler allocate
end

etiam#

Posted by Asam on October 13th, 2005


Asam a écrit :

I don't get any error when trying to send an email through telnet [mail
gateway ] 25


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