any access lists blocking return echo replies on any router? What is the mask on the serial interface for router b? Are there any more specific routes in D for the 172.16.6.0 network if the serial interfaces between b and d are /30?
-- RFC 1149 Compliant. ""Cisco Nuts"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hello, > What would be the preferred parameter for the ip pool command for nat be? > Would netmask be used or the prefix-length? > > RTB#ip nat pool TEST 172.16.6.1 172.16.6.254 ? > > Which one is preferred? > > I have tried both but my dynamic nat does not work. I have RTA connected to > RTB via Ethernet on a 10.10.1.0/24 netw. RTB is connected to RTD via > serial/FR on 172.16.6.0/24 netw. I have the pool defined and also an > access-list and also ip nat inside and outside on e0 and on s0 intfs. > NAT router: > RTB#ip nat pool TEST 172.16.6.1 172.16.6.254 netmask 255.255.255.0 > ip nat inside source list 8 pool TEST > > access-list 8 permit 10.10.1.0 0.0.0.255 > > ip route 10.10.1.0 255.255.255.0 Ethernet0 > > When I ping 172.16.6.65(the ip on RTD) sourcing either the 10.10.1.3 or the > 10.10.1.4 ip, it fails even though I have a default route of 0.0.0.0 on RTD > pointing back to RTB. > > This is a very simple config and I am wondering what I could be doing wrong? > I even reloaded the routers...just to make sure. > Please advise. > > Some output: > RTB#sh ip nat trans > Pro Inside global Inside local Outside local Outside global > --- 172.16.6.1 10.10.1.4 --- --- > --- 172.16.6.2 10.10.1.3 --- --- > RTB#debug ip nat > > RTB# > 00:12:31: NAT: s=10.10.1.4->172.16.6.1, d=172.16.6.65 [15] > 00:12:33: NAT: s=10.10.1.4->172.16.6.1, d=172.16.6.65 [16] > 00:12:35: NAT: s=10.10.1.4->172.16.6.1, d=172.16.6.65 [17] > 00:12:37: NAT: s=10.10.1.4->172.16.6.1, d=172.16.6.65 [18] > 00:12:39: NAT: s=10.10.1.4->172.16.6.1, d=172.16.6.65 [19] > > Notice that there is NO return traffic from 172.16.6.65. Why? > > Thank you for your help. > Kindly. > > > > > _________________________________________________________________ > MSN Photos is the easiest way to share and print your photos: > http://photos.msn.com/support/worldwide.aspx Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=37924&t=37921 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

