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04.13.2008 at 12:12PM PDT, ID: 23318824
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8.2

Need help config pulic access to exchange server behind router through DSL interface

Asked by starmonkey in Network Routers, Network Design & Methodology, TCP/IP

Tags: , , ,

I need help to config public access to my exchange server (port 25 and 443)
I have 1 internet gateways: a bonded T1 (multilink interface) and a DSL failover.  I would like to send all trafic to and from the email server over the DSL link

IMPORTANT! Need to get this working today, or boss will be ticked off.

If someone will help me real time, I will assign questions for every step.

here is my sh run:

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interface Multilink1
 description VIRT_INTERFAC_2XT1
 ip address <multilink IP> x.x.x.x
 ip nat outside
 no cdp enable
 ppp multilink
 ppp multilink fragment disable
 ppp multilink group 1
!
interface GigabitEthernet0/0
 description ETHERNET_GATEWAY_TO_ATT_DSL
 ip address <DSL IP> x.x.x.x
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip nat outside
 ip route-cache flow
 duplex auto
 speed auto
 no mop enabled
!
interface GigabitEthernet0/1
 description ETHERNET_GATEWAY_TO_MNHC
 ip address <LAN IP> x.x.x.x
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip nat inside
 ip route-cache flow
 ip policy route-map EMAIL_DIRECTOR_MAP
 duplex auto
 speed auto
 no mop enabled
 
ip classless
ip route 0.0.0.0 0.0.0.0 Multilink1
ip route 0.0.0.0 0.0.0.0 <DSL GATEWAY IP> 10
 
 
 
ip nat pool QUEST_2XT1_NAT <T1 NAT ADDRESS> <T1 NAT ADDRESS> netmask x.x.x.x
ip nat pool ATT_DSL_NAT <DSL NAT ADDRESS> <DSL NAT ADDRESS> netmask x.x.x.x
ip nat inside source route-map ATT_DSL_MAP pool ATT_DSL_NAT overload
ip nat inside source route-map QUEST_2XT1_MAP pool QUEST_2XT1_NAT overload
!
ip access-list extended EMAIL_DIRECTOR
 permit ip host <Exchange LAN IP> any
!
logging trap debugging
access-list 55 permit <LAN Network> <mask>
 
no cdp run
route-map EMAIL_DIRECTOR_MAP permit 20
 match ip address EMAIL_DIRECTOR
 set ip next-hop <DSL GATEWAY IP>
!
route-map QUEST_2XT1_MAP permit 39
 match ip address 55
 match interface Multilink1
!
route-map ATT_DSL_MAP permit 40
 match ip address 55
 match interface GigabitEthernet0/0
!
 
!
end
[+][-]04.14.2008 at 01:14AM PDT, ID: 21348318

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About this solution

Zones: Network Routers, Network Design & Methodology, TCP/IP
Tags: csico, router, 2821, 2 internet gateways T1 and DSL
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Solution Provided By: naughton
Participating Experts: 1
Solution Grade: A
 
 
 
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