Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode

Mirantis_German — Thu, 19 Sep 2019 07:40:09 GMT

We are trying to connect our equipment to Vodafone channel. We have a Vodafone cablerouter in a bridge mode and Cisco equipment witch acts as router for our network. The problem is that our Cisco equipment doesn't receive a public IP address via dhcp.

When we are rebooting the cablerouter, we are receiving a private address for a while looked like 192.168.100.xxx . When the lease time for this address ends it released and we are not receieving a public address. At this time in debug I see only broadcast dhcp discover packets from our equipment and don't see any replies.

We tried to use 3 different Cisco devices: Cisco ASA, Cisco Catalyst 2960, Cisco ISR 4331 and got the same issue.

Could you please help us to debug from your side? Maybe you have more detailed logs? Or can we use manually configured IP instead of DHCP and what are the settings in this case?

Betreff: Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode

Mirantis_German — Thu, 19 Sep 2019 11:50:13 GMT

This can be closed.
We've managed to find a workaround.

Thank you

Re: Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode

Tobias — Fri, 20 Sep 2019 08:23:09 GMT

Hey @Mirantis_German,

thanks for your feedback 😉 Im gonna close this thread then, if you have another problem you are welcome to contact us.

Regards

Tobias

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Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode

Betreff: Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode

Re: Problem with getting public IP on Cisco device over Kabelruter in Bridge Mode