fractalsphereMemberMay 25, 2007 at 8:53 am #125021
I’ve got a 2621 router with Version 12.3(9e) of the IOS on there. I’ve been able to get the INSIDE interface to hand out DHCP addresses and even routed successfully inside with multiple subnets over multiple VLANS (I’ve got a 2924 switch, too, but that’s not the topic of this post), but the sticking point I’m seeing is getting the OUTSIDE interface to get an IP address via DHCP. Right now its just getting the address from my linksys router, so it’s all technically inside, but I’m acting like its inside/outside for lab and testing.
So admittedly, I’m still learning access-list and access-group commands, but thats beyond my issue here. The router will get ONE DHCP address, keep it for the lease of 24 hours (via the linksys) and then DROP the address. I have to completely reboot the linksys and the router for it to renew the lease.
WHY is this happening? Do I need to write an access list for DHCP requests ports 67 and 68 on the outside interface? (the full syntax of which escapes me at the moment)
Also, here’s my config copy/pasted. fa0/1 is up/down cuz the switch was off at the time of playing with this. fa0/0 is the problem child here. ;-)
Thanks in advance for any insight you all may provide!
Current configuration : 1232 bytes
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
no logging on
enable secret 5 $1$uHc.$rDMSUqN6vtWsjsV9Z7tm30
no aaa new-model
ip dhcp pool vlan1
network 192.168.2.0 255.255.255.0
ip audit po max-events 100
ip dhcp-server 192.168.2.1
no ftp-server write-enable
ip address dhcp
ip nat outside
no ip address
ip address 192.168.2.1 255.255.255.0
ip nat inside
ip http server
banner motd ^C
This system is intended for private use. Your connection
to this system implies no expectation of privacy.
Unauthorized connections and/or usage of this system
is illegal. Upon detection, information will be
collected and sent to the appropriate authorities.
line con 0
line aux 0
line vty 0 4
line vty 5 15
RichRouter#sh ip int brie
Interface IP-Address OK? Method Status Prot
FastEthernet0/0 unassigned YES DHCP up up
Serial0/0 unassigned YES NVRAM administratively down down
FastEthernet0/1 192.168.2.1 YES NVRAM up down
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