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Point-to-Point T1s with 2 remote offices

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I am new to setting up T1 point-to-point connections. I was trying to setup a Netvanta 3200 3rd Gen with a dual T1 card in bridge mode to connect two other Netvanta 3200 3rd Gen with the single T1 card in them. I can get one or the other to work but not all of them at the same time. Please help me with the configuration of this device. Scenario is a main location (A) with two remote offices (B & C). All need to be on the same network. Location A has a Netvanta 3200 3rd Gen with a dual T1 card and Location B & C both have a Netvanta 3200 3rd Gen with the single T1 card. We have a T1 that runs from location A to B and location A to C.

Current Config:

hostname "Dual.P2P.Bridge"

enable password password

!

!

ip subnet-zero

ip classless

no ip routing

!

!

!

!

no auto-config

!

event-history on

no logging forwarding

no logging email

!

no service password-encryption

!

username "admin" password "password"

!

banner motd #

                ****** Important Banner Message ******

Enable and Telnet passwords are configured to "password".

HTTP and HTTPS default username is "admin" and password is "password".

Please change them immediately.

                  ****** Important Banner Message ******

#

!

ip policy-timeout tcp telnet 14400

!

no ip firewall alg msn

no ip firewall alg mszone

no ip firewall alg h323

!

!

!

!

!

!

!

no dot11ap access-point-control

!

!

!

!

!

bridge 1 protocol ieee

!

!

!

!

!

interface eth 0/1

  speed 100

  bridge-group 1

  no shutdown

!

!

!

!

interface t1 1/1

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface t1 1/2

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface ppp 1

  bridge-group 1

  no shutdown

  cross-connect 1 t1 1/1 1 ppp 1

  cross-connect 2 t1 1/2 1 ppp 1

!

!

!

!

!

!

!

!

!

!

!

no tftp server

no tftp server overwrite

no ip http server

no ip http secure-server

no snmp agent

no ip ftp server

no ip scp server

no ip sntp server

!

!

!

!

!

!

!

!

ip sip udp 5060

ip sip tcp 5060

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

line con 0

  no login

!

line telnet 0 4

  login local-userlist

  password password

  no shutdown

line ssh 0 4

  login local-userlist

  no shutdown

!

!

!

!

!

end

I also tried:

hostname "Dual.P2P.Bridge"

enable password password

!

!

ip subnet-zero

ip classless

no ip routing

!

!

!

!

no auto-config

!

event-history on

no logging forwarding

no logging email

!

no service password-encryption

!

username "admin" password "password"

!

banner motd #

                ****** Important Banner Message ******

Enable and Telnet passwords are configured to "password".

HTTP and HTTPS default username is "admin" and password is "password".

Please change them immediately.

                  ****** Important Banner Message ******

#

!

ip policy-timeout tcp telnet 14400

!

no ip firewall alg msn

no ip firewall alg mszone

no ip firewall alg h323

!

!

!

!

!

!

!

no dot11ap access-point-control

!

!

!

!

!

bridge 1 protocol ieee

!

!

!

!

!

interface eth 0/1

  speed 100

  bridge-group 1

  no shutdown

!

!

!

!

interface t1 1/1

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface t1 1/2

  tdm-group 2 timeslots 1-24 speed 64

  no shutdown

!

interface ppp 1

  bridge-group 1

  no shutdown

  cross-connect 1 t1 1/1 1 ppp 1

!

interface ppp 2

  bridge-group 1

  no shutdown

  cross-connect 2 t1 1/1 2 ppp 2

!

!

!

!

!

!

!

!

!

!

no tftp server

no tftp server overwrite

no ip http server

no ip http secure-server

no snmp agent

no ip ftp server

no ip scp server

no ip sntp server

!

!

!

!

!

!

!

!

ip sip udp 5060

ip sip tcp 5060

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

line con 0

  no login

!

line telnet 0 4

  login local-userlist

  password password

  no shutdown

line ssh 0 4

  login local-userlist

  no shutdown

!

!

!

!

!

end

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1 Solution

Accepted Solutions
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Anonymous
Not applicable

Re: Point-to-Point T1s with 2 remote offices

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brt013:

Thank you for posting your question, and supplying the configuration.  For further reference and advanced bridging configuration examples you can view the "Configuring Bridging in AOS" document.

Configuring IRB in AOS firmware release after 17.07.00 requires the completion of the following tasks:

  • Enabling IRB

  • Configuring the bridge group

  • Configuring the BVI interface

  • Removing IP addresses from all interfaces that will be added to the bridge group

  • Assigning interfaces to the bridge group

You have accomplished most of these tasks in the first configuration you posted above, but there are a few things you will need to add or change.

  1. Enable IP routing with the ip routing command.
  2. Enable IRB using the bridge irb command from the Global Configuration mode prompt. Enter the command as follows: (config)#bridge irb
  3. Enter the BVI interface configuration mode using the interface bvi <number> command from the Global Configuration mode prompt. The <number> parameter is the bridge group number, and it must match the bridge group number you are working with. The number that you specify causes the BVI interface to be associated with all physical interfaces assigned to that bridge group. To enter the BVI Interface Configuration mode, enter the command as follows:  (config)#interface bvi 1

When you have completed this, your configuration should look similar to the output below:

ip routing

!

bridge irb

!

bridge 1 protocol ieee

!

interface eth 0/1

  bridge-group 1

  bridge-group 1 vlan-transparent

  no ip address

  no shutdown

!

interface t1 1/1

  clock source internal

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface ppp 1

  bridge-group 1

  bridge-group 1 vlan-transparent

  no ip address

  ppp bcp tagged-frame

  mtu 1524

  no shutdown

cross-connect 1 t1 1/1 1 ppp 1

!

interface bvi 1

  ip address X.X.X.X Y.Y.Y.Y (If you enter an IP address and subnet mask for management)

  no shutdown

I hope that makes sense, but please, do not hesitate to reply to this post with any questions or additional information, I will be happy to help in any way I can.

Levi

View solution in original post

4 Replies
Highlighted
Anonymous
Not applicable

Re: Point-to-Point T1s with 2 remote offices

Jump to solution

brt013:

Thank you for posting your question, and supplying the configuration.  For further reference and advanced bridging configuration examples you can view the "Configuring Bridging in AOS" document.

Configuring IRB in AOS firmware release after 17.07.00 requires the completion of the following tasks:

  • Enabling IRB

  • Configuring the bridge group

  • Configuring the BVI interface

  • Removing IP addresses from all interfaces that will be added to the bridge group

  • Assigning interfaces to the bridge group

You have accomplished most of these tasks in the first configuration you posted above, but there are a few things you will need to add or change.

  1. Enable IP routing with the ip routing command.
  2. Enable IRB using the bridge irb command from the Global Configuration mode prompt. Enter the command as follows: (config)#bridge irb
  3. Enter the BVI interface configuration mode using the interface bvi <number> command from the Global Configuration mode prompt. The <number> parameter is the bridge group number, and it must match the bridge group number you are working with. The number that you specify causes the BVI interface to be associated with all physical interfaces assigned to that bridge group. To enter the BVI Interface Configuration mode, enter the command as follows:  (config)#interface bvi 1

When you have completed this, your configuration should look similar to the output below:

ip routing

!

bridge irb

!

bridge 1 protocol ieee

!

interface eth 0/1

  bridge-group 1

  bridge-group 1 vlan-transparent

  no ip address

  no shutdown

!

interface t1 1/1

  clock source internal

  tdm-group 1 timeslots 1-24 speed 64

  no shutdown

!

interface ppp 1

  bridge-group 1

  bridge-group 1 vlan-transparent

  no ip address

  ppp bcp tagged-frame

  mtu 1524

  no shutdown

cross-connect 1 t1 1/1 1 ppp 1

!

interface bvi 1

  ip address X.X.X.X Y.Y.Y.Y (If you enter an IP address and subnet mask for management)

  no shutdown

I hope that makes sense, but please, do not hesitate to reply to this post with any questions or additional information, I will be happy to help in any way I can.

Levi

View solution in original post

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New Contributor

Re: Point-to-Point T1s with 2 remote offices

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That worked for me. Thank you so much!

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New Contributor

Re: Point-to-Point T1s with 2 remote offices

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How do you set this up so that down stream devices can be managed with management vlan?

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Anonymous
Not applicable

Re: Point-to-Point T1s with 2 remote offices

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:

Thank you for asking this question in the support community.  If I understand the question properly, by default, downstream devices should be able to be managed in this configuration, because the ADTRAN is going to pass this traffic through.  Please, feel free to expand on this question, with additional information, and I will be happy to help in any way I can.

Levi

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