871W Cannot Get DHCP Address - Cable Modem

tom · 2006-03-06T02:49:15+00:00

I am having difficulties getting my Cisco 871W SOHO router to get aDHCP address over its FE4 interface. If I statically assign the IPthat my previous SOHO router had received through DHCP, I get Internetconnectivity with no problem. However, an address is never assignedvia DHCP.Are there any tricks to getting a Cisco device to successfully get aDHCP address? I am sure the commands are correct, since I have usedSDM to set the interfaces.Thanks

Mar 06, 2006 21 Replies

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tom 20 years ago

Yep - it was configured by the SDM. How would I let Cisco know?

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tom 20 years ago

Yep - it was configured by the SDM. How would I let Cisco know?

BTW, the DHCP server was in the 172 private IP space:

cisco871#show dhcp lease Temp IP addr: 68.6.112.XX for peer on Interface: FastEthernet4 Temp sub net mask: 255.255.252.0 DHCP Lease server: 172.19.97.40, state: 3 Bound DHCP transaction id: 17DC Lease: 86400 secs, Renewal: 43200 secs, Rebind: 75600 secs Temp default-gateway addr: 68.6.112.1 Next timer fires after: 11:59:59 Retry count: 0 Client-ID: cisco-0015.c653.9062-Fa4 Client-ID hex dump: 636973636F2D303031352E633635332E 393036322D466134 Hostname: cisco871

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