Solved

Point to Point Router Setup

Posted on 2011-03-14
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Last Modified: 2012-05-11
Routers were provided and configured by verizon when service was purchased.  
I changed the setup because we had talked about getting rid of the point to point and use vpn instead, however, now I'd like to get the point to point back in use.  I can't seem to set the default route back to the ppp 1 interface.

 
Adtran Netvanta 3200.

We have a point to point connection between two sites in maryland.  

Here is the configuration on one side (pretty much the same on the other side)
#show running-config
Building configuration...
!
!
hostname "Fredrick"
enable password md5 encrypted e2d919ae7152ce375e4e6d4d2acd820c
!
ip subnet-zero
ip classless
ip routing
!
event-history on
no logging forwarding
logging forwarding priority-level info
logging forwarding receiver-ip 10.117.1.72
no logging email
logging email priority-level info
!
!
ip firewall check syn-flood
!
!
!
interface eth 0/1
  ip address  192.168.34.22  255.255.255.0
  no shutdown
!
!
interface t1 1/1
  tdm-group 1 timeslots 1-24 speed 64
  no shutdown
!
interface ppp 1
  ip address  10.10.10.1  255.255.255.252
  mtu 1520
  no shutdown
  cross-connect 1 t1 1/1 1 ppp 1
!
!
!
!
ip route 0.0.0.0 0.0.0.0 ppp 1
ip route 10.117.0.0 255.255.240.0 192.168.34.1
ip route 10.117.33.0 255.255.255.0 192.168.34.1
ip route 10.117.48.0 255.255.255.0 192.168.34.1
ip route 172.16.2.0 255.255.254.0 192.168.34.1

ip route 192.168.35.0 255.255.255.0 192.168.34.1
!
no ip n-form agent
ip snmp agent
ip ftp agent
!
!
!
snmp-server community ------ RO
line con 0
  no login
!
line telnet 0 4
  login
  password "******"
!
sntp server 192.168.35.10 version 3
!
end






what i've noticed is the default route does not actually show  in the route table
show ip route


Codes: C - connected, S - static, R - RIP, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2

Gateway of last resort is not set

S    10.117.0.0/20 [1/0] via 192.168.34.1, eth 0/1
S    10.117.33.0/24 [1/0] via 192.168.34.1, eth 0/1
S    10.117.48.0/24 [1/0] via 192.168.34.1, eth 0/1
S    172.16.2.0/23 [1/0] via 192.168.34.1, eth 0/1
C    192.168.34.0/24 is directly connected, eth 0/1
S    192.168.35.0/24 [1/0] via 192.168.34.1, eth 0/1




when i do a show ip interface the ppp interface is down
show ip interface
ppp 1 is DOWN
  Ip address is 10.10.10.1
  Netmask is 255.255.255.252
  MTU is 1520
  Fastcaching is Enabled
  RIP Authentication is Disabled
  RIP Tx uses global version value
  RIP Rx uses global version value

eth 0/1 is UP, line protocol is UP
  Ip address is 192.168.34.22
  Netmask is 255.255.255.0
  MTU is 1500
  Fastcaching is Enabled
  RIP Authentication is Disabled
  RIP Tx uses global version value
  RIP Rx uses global version value

 
 
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Comment
Question by:semowen
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10 Comments
 
LVL 7

Expert Comment

by:GridLock137
ID: 35128770
is the interface ppp 1 in a down\down state right now?

some things to check:

1. check the encapuslation
2. check the physical media
3. check the clock rate (in this case it could be on the ISP side since they provide the clocking)
4. shouldn't your ppp 1 interface have a routable IP address and not a non-routable one?

let us know, thank you.
0
 
LVL 13

Expert Comment

by:kdearing
ID: 35129038
I don't see an encapsulation statement.

If your default gateway link (ppp) is down, it won't show in the routing table.
0
 
LVL 13

Expert Comment

by:SIM50
ID: 35129186
It's point to point, so you can have private IP addresses there. Check the status of T1 interface. I don't see clocking configured in T1 interface. I would try to set T1 interface on one router with "clock source line" and on the other - "clock source internal".
0
 

Author Comment

by:semowen
ID: 35129308
perhaps this will help some.  I beileve the initial setup was done by verizon, I had changed the default route to not go over the point to point anymore.  Now when I try to change it back to the ppp 1 interface, of course it says the interface is down, but the t1 is up.  

show interface
Displaying interfaces...
eth 0/1 is UP, line protocol is UP
  Hardware address is 00:A0:C8:0A:5C:99
  eth 0/1 Ip address is 192.168.34.22, netmask is 255.255.255.0
  MTU is 1500 bytes, BW is 100000 Kbit
  100Mb/s, negotiated full-duplex, configured full-duplex
  ARP type: ARPA; ARP timeout is 20 minutes
    4603956 packets input, 1601719043 bytes
    4245443 unicasts, 358513 broadcasts, 0 multicasts input
    0 unknown protocol, 0 symbol errors, 0 discards
    0 input errors, 0 runts, 0 giants
    0 no buffer, 0 overruns, 0 internal receive errors
    0 alignment errors, 0 crc errors
    4273429 packets output, 1574266738 bytes
    4273429 unicasts, 0 broadcasts, 0 multicasts output
    0 output errors, 0 deferred, 0 discards
    0 single, 0 multiple, 0 late collisions
    0 excessive collisions, 0 underruns
    0 internal transmit errors, 0 carrier sense errors
    0 resets, 0 throttles

t1 1/1 is UP
  T1 coding is B8ZS, framing is ESF
  Clock source is line, FDL type is ANSI
  Line build-out is 0dB
  No remote loopbacks, No network loopbacks
  Acceptance of remote loopback requests enabled

  DS0 Status: 123456789012345678901234
              NNNNNNNNNNNNNNNNNNNNNNNN
  Status Legend: '-' = DS0 is unallocated
                 'N' = DS0 is dedicated (nailed)

  Line Status: -- No Alarms --

  Current Performance Statistics:
    0 Errored Seconds, 0 Bursty Errored Seconds
    0 Severely Errored Seconds, 0 Severely Errored Frame Seconds
    0 Unavailable Seconds, 0 Path Code Violations
    0 Line Code Violations, 0 Controlled Slip Seconds
    0 Line Errored Seconds, 0 Degraded Minutes

  TDM group 1, line protocol is DOWN
    Encapsulation PPP (ppp 1)
    0 packets input, 0 bytes, 0 no buffer
    0 runts, 0 giants, 0 throttles
    61 input errors, 1 CRC, 1 frame
    59 abort, 0 discards, 0 overruns
    60800 packets output, 1459200 bytes, 0 underruns
    0 input clock glitches, 0 output clock glitches
    0 carrier lost, 0 cts lost

ppp 1 is DOWN
  Link state is REQSENT
  Internet address is 10.10.10.1, Mask is 255.255.255.252
  Far end internet address is 0.0.0.0
  MTU is 1520 bytes, BW 0 Kbit
  Keepalive set (10 sec)
  Authentication protocol is NONE
  CLOSED: LCP, IPCP, BRIDGE
  Queueing method: weighted fair
  HDLC tx ring limit: 2
  Output queue: 0/1/400/64/0 (size/highest/max total/threshold/drops)
    Conversations  0/1/256 (active/max active/max total)
    0 packets input, 0 bytes
    Received 0 broadcasts
    0 input errors, 0 discards
    60800 packets output, 1459200 bytes
    0 output errors, 0 discards
0
 
LVL 13

Expert Comment

by:SIM50
ID: 35130103
Please try to set clocking. Some of the errors on your tdm group can be caused by incorrect clocks unless you know for sure that your ISP provides you with clocking.
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LVL 7

Expert Comment

by:GridLock137
ID: 35130170
usually the ISP sets the clocking which is how they charge based on the rate of the clock. so check on the ISP side and make sure it's set up properly.
0
 

Author Comment

by:semowen
ID: 35140783
Both routers have always been set to get the clocking from the ISP (been running for the last 3 years) but I need to confirm with them.  Any other suggestions in case that isn't it?
0
 
LVL 7

Expert Comment

by:GridLock137
ID: 35147599
make sure the speed and duplex match the ISP side.
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Accepted Solution

by:
semowen earned 0 total points
ID: 35207511
I was able to get Adtran and Verizon on the phone at the same time.  The verizon tech created a loop which was seen on both sides and the point to point ppp interfaces came up good.  When he took back down the loop, the ppp interfaces came up good and my connection was working.  Not sure the resolution, or if anything else was changed on verizon side. The router config was good.
0
 

Author Closing Comment

by:semowen
ID: 35239066
Wish I knew exactly what the issue was.  Having verizon run more tests on their side is what actually got it going.
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