We have a new ISP

They provided E1 (G.703) Connection

I am using Metrodata DC1000 and Cisco 1610 with WIC-1T

WAN IP remote gtw 100/100/100/157


my config is (fake IP1s)


Current configuration: ! version 12.0 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname v3 ! ip subnet-zero no ip routing ! process-max-time 200

interface Ethernet0/0 ip address no ip directed-broadcast no ip route-cache ! interface Serial0/0 ip address no ip directed-broadcast no ip route-cache ! ip classless ip route no ip http server ! line con 0 transport input none line aux 0 line vty 0 4 password telnet login ! no scheduler allocate end

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Hi Robert,

If your provider goves you E1, then you need WIC-1E card. I heard that some external CSU/DSU allow you to connect to either T1 or E1, but 99.9% of cards are not compatible. T1 is 1.5Mb, when E1 is 2Mb, they use different number of frames, different synchronization, etc., so they will not work together. You need to buy WIC-1E card for your router.

Good luck,


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