>Вам AlexDv ответил 21 числа, что до сих пор мучаетесь. А что делать при таком варианте конф.
interface FastEthernet0/0
description Kv_ISP
ip address dhcp
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat outside
no ip virtual-reassembly
duplex auto
speed auto
no cdp enable
arp timeout 600
route-map Kv_Nat permit 10
match ip address 110
match interface FastEthernet0/0
!
route-map Kv permit 10
set ip next-hop XXX.137.19.254
ip nat inside source route-map Kv_Nat interface FastEthernet0/0 overload
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C2811#sh ver | i up
Technical Support: http://www.cisco.com/techsupport
C2811 uptime is 6 hours, 50 minutes
C2811#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 10.10.1.1 - 0007.0e62.f520 ARPA GigabitEthernet1/0.10
Internet 10.10.1.2 - 001a.7031.bcab ARPA
Internet 10.10.1.4 - 000d.f034.0d60 ARPA
Internet 10.10.1.5 - 0050.da48.705a ARPA
Internet 10.10.1.9 - 000e.2efa.06af ARPA
Internet 10.10.1.10 - 0002.a540.b1dd ARPA
Internet 99.178.253.145 - 0007.0e62.f520 ARPA GigabitEthernet1/0.4
Internet 99.178.253.146 0 Incomplete ARPA
Internet 99.178.253.150 13 0050.8db2.c257 ARPA GigabitEthernet1/0.4
Internet XXX.137.16.20 8 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.16.31 8 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.16.108 0 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.16.147 6 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.29 8 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.42 6 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.88 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.100 5 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.112 2 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.141 6 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.169 7 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.224 2 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.17.230 6 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.12 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.40 4 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.51 5 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.64 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.97 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.131 0 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.141 2 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.153 2 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.183 5 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.211 6 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.18.213 3 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.89 0 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.93 0 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.109 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.140 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.149 9 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.159 - 0007.0e62.f510 ARPA FastEthernet0/0
Internet XXX.137.19.214 8 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.217 7 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.219 7 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.230 4 0000.5e00.0144 ARPA FastEthernet0/0
Internet XXX.137.19.252 7 6cbe.e944.6977 ARPA FastEthernet0/0
Internet XXX.137.19.253 6 0025.ba2e.8f38 ARPA FastEthernet0/0
Internet XXX.137.19.254 1 0000.5e00.0144 ARPA FastEthernet0/0
Internet 192.168.0.1 2 000e.2e83.3ca3 ARPA GigabitEthernet1/0.2
Internet 192.168.0.2 - 0007.0e62.f520 ARPA GigabitEthernet1/0.2
Internet 192.168.0.3 - 0012.1770.9cb7 ARPA
Internet 192.168.0.5 - 0019.794a.ba28 ARPA
Internet 192.168.0.6 - 001c.d632.bc0d ARPA
Internet 192.168.0.7 - 001f.00cb.f83c ARPA
Internet 192.168.0.8 25 001e.f7c4.b06f ARPA GigabitEthernet1/0.2
Internet 192.168.0.15 - 000e.08db.e5c6 ARPA
Internet 192.168.1.1 - 0007.0e62.f520 ARPA GigabitEthernet1/0.1
Internet 192.168.1.2 183 0019.2f6e.c7c0 ARPA GigabitEthernet1/0.1
Internet 192.168.1.3 165 0002.4bc0.f5c0 ARPA GigabitEthernet1/0.1