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.
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