Hi all,
Does anyone have an explanation for this behavior !
Here's the setup ......
my sun ------- internal net ---------------------------- comm-svr
-------------------- linux
64.102.66.25 172.18.176.43 206.0.1.43
206.0.1.53
I have to nat 206.0.1.53 on the com-svr as the 206 net isn't routed in my
company's
network so I have:
int fast0/0
ip address 172.18.176.43 255.255.255.0
ip nat outside
int fast0/1
ip address 206.0.1.43 255.255.255.0
ip nat inside
ip nat inside source static 206.0.1.53 172.18.176.53
ip nat outside source static 64.102.66.25 206.0.1.65
ena-comm3#sh ip nat trans
Pro Inside global Inside local Outside local Outside global
- - 206.0.1.65 64.102.66.25
172.18.176.53 206.0.1.53 - -
172.18.176.53 206.0.1.53 206.0.1.65 64.102.66.25
It appears the translation from my sun to the linux box is working but I
don't see translation debugs for the icmp reply. I've tried swapping
the inside/outside interfaces to no avail.
00:32:58: NAT: o: icmp (64.102.66.25, 2741) -> (172.18.176.53, 2741)
[15299]
00:32:58: NAT: s=64.102.66.25->206.0.1.65, d=172.18.176.53 [15299]
00:32:58: NAT: s=206.0.1.65, d=172.18.176.53->206.0.1.53 [15299]
00:32:58: ICMP: echo reply rcvd, src 206.0.1.53, dst 206.0.1.65
00:32:59: NAT: o: icmp (64.102.66.25, 2741) -> (172.18.176.53, 2741)
[15300]
00:32:59: NAT: s=64.102.66.25->206.0.1.65, d=172.18.176.53 [15300]
00:32:59: NAT: s=206.0.1.65, d=172.18.176.53->206.0.1.53 [15300]
00:32:59: ICMP: echo reply rcvd, src 206.0.1.53, dst 206.0.1.65
00:33:00: NAT: o: icmp (64.102.66.25, 2741) -> (172.18.176.53, 2741)
[15301]
00:33:00: NAT: s=64.102.66.25->206.0.1.65, d=172.18.176.53 [15301]
00:33:00: NAT: s=206.0.1.65, d=172.18.176.53->206.0.1.53 [15301]
00:33:00: ICMP: echo reply rcvd, src 206.0.1.53, dst 206.0.1.65
00:33:01: NAT: o: icmp (64.102.66.25, 2741) -> (172.18.176.53, 2741)
[15302]
00:33:01: NAT: s=64.102.66.25->206.0.1.65, d=172.18.176.53 [15302]
00:33:01: NAT: s=206.0.1.65, d=172.18.176.53->206.0.1.53 [15302]
00:33:01: ICMP: echo reply rcvd, src 206.0.1.53, dst 206.0.1.65
00:33:02: NAT: o: icmp (64.102.66.25, 2741) -> (172.18.176.53, 2741)
[15303]
00:33:02: NAT: s=64.102.66.25->206.0.1.65, d=172.18.176.53 [15303]
00:33:02: NAT: s=206.0.1.65, d=172.18.176.53->206.0.1.53 [15303]
00:33:02: ICMP: echo reply rcvd, src 206.0.1.53, dst 206.0.1.65
Jayant
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