Poin to Point over Comcast Cable

I am switching from a point to point t1 line and am having trouble with bringing the new Point to point thru Comcast Cable.  What changes are need to be made or do I need a new Router.

 

Building configuration...

!

! ADTRAN, Inc. OS version R11.4.2

! Boot ROM version 17.02.01.00

! Platform: NetVanta 3200, part number 1203860G1

!

hostname "NetVanta3200_Main_PTP"

enable password MMFZ1815

!

clock timezone -5-Eastern-Time

!

ip subnet-zero

ip classless

ip routing

!

auto-config

!

event-history on

no logging forwarding

no logging email

!

no ip firewall alg msn

no ip firewall alg mszone

no ip firewall alg h323

!

no dot11ap access-point-control

!

interface eth 0/1

  ip address  172.16.0.23  255.255.255.0

  no shutdown

!

interface t1 1/1

  clock source internal

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface ppp 1

  ip address  10.10.10.1  255.255.255.252

  no shutdown

  cross-connect 1 t1 1/1 1 ppp 1

!

ip route 0.0.0.0 0.0.0.0 172.16.0.1

ip route 172.16.10.0 255.255.254.0 ppp 1

ip route 172.16.10.0 255.255.254.0 172.16.10.1

!

no tftp server

no tftp server overwrite

http server

no http secure-server

no snmp agent

no ip ftp server

no ip scp server

no ip sntp server

!

sip udp 5060

sip tcp 5060
hanovermisAsked:
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atlas_shudderedSr. Network EngineerCommented:
Did you buy Comcast IP Internet or Comcast EPL?

If you purchased EPL, how many ethernet interfaces do you have on your router?
Soulja53 6F 75 6C 6A 61 Commented:
You just need to connect the ethernet interfaces to the Comcast service. Use the Comcast ptp just like an extended wire. You can run Layer2 or 3 over it.
hanovermisAuthor Commented:
Comcast EPL.  I have 3 interfaces eth0/1, DBU, & WAN-T1 on the Adtran.
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atlas_shudderedSr. Network EngineerCommented:
And you are using eth0/1 for your handoff to the interior LAN correct?
hanovermisAuthor Commented:
Yes I am.  I am thinking i might need a different modem
atlas_shudderedSr. Network EngineerCommented:
You'll need two Ethernet interfaces so build the connections.

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atlas_shudderedSr. Network EngineerCommented:
*to build the connections
hanovermisAuthor Commented:
Thanks, I am looking at getting new routers
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