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TomS_
Git-r-done
Premium,MVM
join:2002-07-19
London, UK
kudos:4

reply to DarkLogix

Re: [Config] NVI and VPN

said by DarkLogix:

I guess no one has any idea even for additional troubleshooting steps.

Are you for real?

People here give their time voluntarily between jobs, family, and any other commitments they have. Show some appreciation instead of expecting us to wait on you 24/7.

If you want guaranteed response times with someone dedicated to your problem, get yourself a support contract. If youre looking for help here, be prepared to wait, patiently, until someone has the time to help you.

Tips? Start from scratch with your config and build it back up from the bare basics. Then make a backup. Then start mucking with NVI again. At the very least get your config back to a working state.


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

1 edit

Sorry if I came off as rude, I was getting the feeling of someone just saying "oh I know what it is and I'm going to let you drive yourself crazy while telling you you have a pile of crap"

just very lost on this and kinda get the feeling that theres no interest in helping me find the issue (not basing that on time)

At present the config works for nowmal use, just not for allowing me to vpn to work from my computer
--
»www.change.org/petitions/create-···imcity-4



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

reply to RyanG1

said by RyanG1:

when you reverted to no NVI, did you change the ip nat source list to ip nat inside source list ?

Also, please post a full config minus any sensitive information if you do not mind.

Ryan

When I tried reverting I issued the following commands, along with a long list of static translations

interface GigabitEthernet2/0
no ip nat enable

interface GigabitEthernet1/0
no ip nat enable

interface GigabitEthernet3/0
no ip nat enable

no ip nat source list 1 pool RLH1 overload
no ip nat source list 2 pool RLH2 overload
no ip nat source list 3 pool RLH3 overload

interface GigabitEthernet2/0
ip nat outside

interface GigabitEthernet1/0
ip nat inside

interface GigabitEthernet3/0
ip nat inside

ip nat inside source list 1 pool RLH1 overload
yes
ip nat inside source list 2 pool RLH2 overload
yes
ip nat inside source list 3 pool RLH3 overload
yes
--
»www.change.org/petitions/create-···imcity-4


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

Heres the full config as it is now

quote:
!
! Last configuration change at 01:26:00 -0500 Wed Mar 20 2013 by rlh
! NVRAM config last updated at 01:26:04 -0500 Wed Mar 20 2013 by rlh
!
version 12.4
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname RLH_router
!
boot-start-marker
boot system flash:c3745-adventerprisek9-mz.124-25d.bin
boot-end-marker
!
no logging buffered
!
no aaa new-model
clock timezone central -6
clock summer-time -0500 recurring
ip cef
!
!
!
!
ip domain name RLH-domain.net
ip name-server 10.0.3.5
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
ipv6 unicast-routing
ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
username rlh privilege 15 password 7
archive
log config
hidekeys
!
!
ip ftp username rlh-domain.net\admin
ip ftp password 7
!
class-map match-all game
match access-group 101
class-map match-any Xbox360
match ip dscp ef
!
!
policy-map game
class game
set ip dscp ef
policy-map Xbox360
class Xbox360
bandwidth 1024
!
!
!
!
!
!
interface Tunnel0
description Hurricane Electric IPv6 Tunnel Broker
bandwidth 30000
no ip address
ipv6 address 2001:x::2/64
ipv6 enable
ipv6 traffic-filter Internet in
ipv6 ospf 1 area 0
keepalive 10 3
tunnel source 75.x.x.33
tunnel destination 216.218.224.42
tunnel mode ipv6ip
tunnel checksum
!
interface FastEthernet0/0
!just added this today and plan to use to test bypassing the etherswitches
ip address 10.255.255.1 255.255.255.252
ip nat enable
ip ospf 1 area 0
shutdown
speed auto
full-duplex
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed 100
!
interface GigabitEthernet1/0
description Link to NME-16ES-1G-p
ip address 10.254.254.1 255.255.255.252
ip nat enable
ip virtual-reassembly
ip ospf 1 area 0
ipv6 address 2001:x:200::1/64
ipv6 ospf 1 area 0
!
interface GigabitEthernet2/0
description Link to Comcast
bandwidth 76000
ip address 75.x.x.35 255.255.255.248 secondary
ip address 75.x.x.36 255.255.255.248 secondary
ip address 75.x.x.37 255.255.255.248 secondary
ip address 75.x.x.33 255.255.255.248
ip access-group 110 in
ip nat enable
ip virtual-reassembly
ip ospf 1 area 0
negotiation auto
!
interface GigabitEthernet3/0
description Link to NME-16ES-1G-p (number 2)
ip address 10.254.254.5 255.255.255.252
ip nat enable
ip virtual-reassembly
ip ospf 1 area 0
ipv6 address 2001:x:201::1/64
ipv6 ospf 1 area 0
!
router ospf 1
log-adjacency-changes
redistribute static
passive-interface GigabitEthernet2/0
network 10.254.254.0 0.0.0.3 area 0
network 10.254.254.4 0.0.0.3 area 0
network 10.255.255.0 0.0.0.3 area 0 !part of the FA 0/0 test thats planned
default-information originate
!
no ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 75.148.235.38
!
!
no ip http server
ip http port 1025
ip http authentication local
no ip http secure-server
ip nat translation timeout 2
ip nat pool RLH1 75.x.x.35 75.x.x.35 netmask 255.255.255.248 add-route
ip nat pool RLH2 75.x.x.36 75.x.x.36 netmask 255.255.255.248 add-route
ip nat pool RLH3 75.x.x.37 75.x.x.37 netmask 255.255.255.248 add-route
ip nat pool RLH4 75.x.x.33 75.x.x.33 netmask 255.255.255.248 add-route
ip nat source list 1 pool RLH1 overload
ip nat source list 2 pool RLH2 overload
ip nat source list 3 pool RLH3 overload
ip nat source list 4 pool RLH4 overload !part of the planned test
ip nat source static tcp 10.0.3.5 21 75.x.x.33 21 extendable
ip nat source static tcp 10.0.3.5 25 75.x.x.33 25 extendable
ip nat source static tcp 10.0.3.5 53 75.x.x.33 53 extendable
ip nat source static udp 10.0.3.5 53 75.x.x.33 53 extendable
ip nat source static tcp 10.0.3.5 80 75.x.x.33 80 extendable
ip nat source static tcp 10.0.3.5 443 75.x.x.33 443 extendable
ip nat source static tcp 10.0.2.5 444 75.x.x.33 444 extendable
ip nat source static tcp 10.0.2.11 3724 75.x.x.35 3724 extendable
ip nat source static udp 10.0.2.11 3724 75.x.x.35 3724 extendable
ip nat source static tcp 10.0.2.11 43768 75.x.x.35 43768 extendable
ip nat source static udp 10.0.2.11 43768 75.x.x.35 43768 extendable
ip nat source static tcp 10.0.2.11 45912 75.x.x.35 45912 extendable
ip nat source static udp 10.0.2.11 45912 75.x.x.35 45912 extendable
ip nat source static tcp 10.0.3.11 88 75.x.x.36 88 extendable
ip nat source static udp 10.0.3.11 88 75.x.x.36 88 extendable
ip nat source static tcp 10.0.3.11 3074 75.x.x.36 3074 extendable
ip nat source static udp 10.0.3.11 3074 75.x.x.36 3074 extendable
ip nat source static tcp 10.0.3.5 3784 75.x.x.36 3784 extendable
ip nat source static udp 10.0.3.5 3784 75.x.x.36 3784 extendable
ip nat source static tcp 10.0.3.5 6100 75.x.x.36 6100 extendable
ip nat source static udp 10.0.3.5 6100 75.x.x.36 6100 extendable
ip nat source static tcp 10.0.3.17 27175 75.x.x.36 27175 extendable
ip nat source static udp 10.0.3.17 27175 75.x.x.36 27175 extendable
ip nat source static tcp 10.0.3.17 27176 75.x.x.36 27176 extendable
ip nat source static udp 10.0.3.17 27176 75.x.x.36 27176 extendable
ip nat source static tcp 10.0.3.10 27177 75.x.x.36 27177 extendable
ip nat source static udp 10.0.3.10 27177 75.x.x.36 27177 extendable
ip nat source static tcp 10.0.3.10 27178 75.x.x.36 27178 extendable
ip nat source static udp 10.0.3.10 27178 75.x.x.36 27178 extendable
ip nat source static tcp 10.0.4.11 28227 75.x.x.37 28227 extendable
ip nat source static udp 10.0.4.11 28227 75.x.x.37 28227 extendable
!
access-list 1 permit 10.0.2.0 0.0.0.255
access-list 1 deny any
access-list 2 permit 10.0.3.0 0.0.0.255
access-list 2 deny any
access-list 3 permit 10.0.4.0 0.0.0.255
access-list 3 deny any
access-list 4 permit 10.255.255.0 0.0.0.3
access-list 4 deny any
access-list 50 permit 10.0.0.0 0.0.0.255
access-list 50 deny any
access-list 101 permit ip host 10.0.3.11 any
access-list 101 deny ip any any
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq discard
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq daytime
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq chargen
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq telnet
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq finger
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 135
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 136
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 137
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 138
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 139
access-list 110 deny udp any 75.x.x.32 0.0.0.7 eq snmp
access-list 110 deny udp any 75.x.x.32 0.0.0.7 eq snmptrap
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 445
access-list 110 deny tcp any 75.x.x.32 0.0.0.7 eq 593
access-list 110 deny ip host 12.203.209.1 any
access-list 110 permit ip any any
snmp-server community 99Sh00t3r$ RW
ipv6 route ::/0 Tunnel0
ipv6 router ospf 1
log-adjacency-changes
area 0 range 2001:470:B801:200::/64
area 0 range 2001:470:B801:201::/64
area 0 range 2001:470:B801::/48
default-information originate
passive-interface Tunnel0
redistribute connected
!
!
!
!
ipv6 access-list Internet
deny tcp any host 2001:x:2::2 eq echo
deny tcp any host 2001:x:2::2 eq discard
deny tcp any host 2001:x:2::2 eq daytime
deny tcp any host 2001:x:2::2 eq chargen
deny tcp any host 2001:x:2::2 eq telnet
deny tcp any host 2001:x:2::2 eq finger
deny tcp any host 2001:x:2::2 eq 135
deny tcp any host 2001:x:2::2 eq 136
deny tcp any host 2001:x:2::2 eq 137
deny tcp any host 2001:x:2::2 eq 138
deny tcp any host 2001:x:2::2 eq 139
deny udp any host 2001:x:2::2 eq snmp
deny udp any host 2001:x:2::2 eq snmptrap
deny tcp any host 2001:x:2::2 eq 445
deny tcp any host 2001:x:2::2 eq 593
permit ipv6 any any
!
ipv6 access-list VTY
sequence 40 permit tcp 2001:470:B801::/48 any
permit udp 2001:470:B801::/48 any
deny ipv6 any any
!
control-plane
!
!
!
!
!
!
!
!
!
banner motd Keep Out
!
line con 0
speed 19200
line 33
exec-timeout 0 0
login local
no activation-character
no exec
transport preferred none
transport input all
transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh
telnet refuse-negotiations
line 97
no activation-character
no exec
transport preferred none
transport input all
transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh
line aux 0
line vty 0 4
exec-timeout 0 0
ipv6 access-class VTY in
login local
telnet refuse-negotiations
line vty 5 15
exec-timeout 0 0
ipv6 access-class VTY in
login local
telnet refuse-negotiations
!
ntp clock-period 17179223
ntp master 2
ntp server 128.138.140.44
ntp server 207.200.81.113
ntp server 132.163.4.101
ntp server 132.163.4.102
ntp server 132.163.4.103
ntp server 201.155.229.129
ntp server 131.107.1.10
ntp server 69.25.96.13
ntp server 207.126.98.204
ntp server 129.6.15.29
ntp server 129.6.15.28
ntp server 216.200.93.8
ntp server 64.236.96.53
ntp server 208.184.49.9
ntp server 68.216.79.113
!
end
--
»www.change.org/petitions/create-···imcity-4


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

reply to RyanG1

said by RyanG1:

Also, please post a full config minus any sensitive information if you do not mind.

Ryan

So any suggestion?


tubbynet
reminds me of the danse russe
Premium,MVM
join:2008-01-16
Chandler, AZ
kudos:1

said by DarkLogix:

said by RyanG1:

Also, please post a full config minus any sensitive information if you do not mind.

Ryan

So any suggestion?

have you been able to revert to 'classic nat' and still have your vpn work?

q.
--
"...if I in my north room dance naked, grotesquely before my mirror waving my shirt round my head and singing softly to myself..."


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

I've been getting home so late this week and having to get some stuff done for work that I haven't had a chance to mess with it yet.

I was hoping some part of the config would jump out to more experianced techs.
--
»www.change.org/petitions/create-···imcity-4



RyanG1
Premium
join:2002-02-10
San Antonio, TX

reply to DarkLogix
Ive been offline lately plus my new place does not have internet access yet. If all of the ports are still the same for what you have forwarded and all you changed was the NVI option (nat enable) then something else changed as well.

Unless im missing a key element aside from the route processing that NVI does vs prior nat implementations.

Ryan
--
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -Douglas Adams



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

It's my understanding that there isn't a requirement for a port forward for a vpn client behind a ios router (IE all the cisco docs say no config needed)

But if I do need a port forward I can add it.

Though i'm thinking there must be something I overlooked (as when I applied above commands to revert to pre-nvi it didn't work so I figure I missed something.
--
»www.change.org/petitions/create-···imcity-4



RyanG1
Premium
join:2002-02-10
San Antonio, TX

reply to DarkLogix
well it depends on the type of VPN... PPTP requires port 1723 and GRE pass through. IPSEC w/ nat uses port udp 4500 (typically). If you are using SSL based vpn you need to open whatever port you have it set to use (of course default is 443).

Ryan
--
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -Douglas Adams



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

The cisco docs say that's only for the router hats in front of the VPN server not the VPN client.



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

Well now I see this doc
»www.cisco.com/en/US/docs/ios-xml···nsv.html

Mentioned using VRF in the nat pool assignment command
Does that seem like it might effect my issue?
--
»www.change.org/petitions/create-···imcity-4



RyanG1
Premium
join:2002-02-10
San Antonio, TX

reply to DarkLogix
from your prior replies it was assumed you are VPN'ing into your home network... is that not the case? Are you connecting OUT of your homr network to a corporate server?

Ryan



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

Ya out of my home network into my work network.



RyanG1
Premium
join:2002-02-10
San Antonio, TX

reply to DarkLogix
well then assuming you are coming from one of the specified networks that are tied to each specific pool outbound should not be an issue. You may have an error somewhere else in your network.

You need to roll back to what you had before and test it again, you may have changed something else and overlooked it.

Not really much else to tell you at this point if all other services are working fine. The only thing that comes to mind is theres an issue with NVI and pools of addresses. Try removing the pool and in its place put a static nat entry in for the interface itself (interface connecting to your modem). Im skeptical it will really help but its worth a shot.

Beyond that, i dont know what else to tell ya... it seems theres a piece of the puzzle missing....Good luck.

Ryan
--
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so. -Douglas Adams



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

Adding the interface in place of the public IP's though wouldn't give the desired effect as the public interface has 4 ip's

I'll give it a go this weekend though



DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

I'm going to guess now that one of two things
1. NVI and IPsec passthrough have some bug that might be fixed in a newer IOS.
and
2. When I last tried reverting to pre-NVI I missed something
--
»www.change.org/petitions/create-···imcity-4



tubbynet
reminds me of the danse russe
Premium,MVM
join:2008-01-16
Chandler, AZ
kudos:1

said by DarkLogix:

When I last tried reverting to pre-NVI I missed something

bingo.

q.


DarkLogix
Texan and Proud
Premium
join:2008-10-23
Baytown, TX
kudos:3

said by tubbynet:

said by DarkLogix:

When I last tried reverting to pre-NVI I missed something

bingo.

q.

Well I listed the list of commands I used to revert you see what I missed?
--
»www.change.org/petitions/create-···imcity-4


tubbynet
reminds me of the danse russe
Premium,MVM
join:2008-01-16
Chandler, AZ
kudos:1

said by DarkLogix:

said by tubbynet:

said by DarkLogix:

When I last tried reverting to pre-NVI I missed something

bingo.

q.

Well I listed the list of commands I used to revert you see what I missed?

give me time young grasshopper.
not to discount your need -- but you have a workaround.
i've got bigger fish to fry in the short term. you've missed something, but i can't tell at first glance what (if you didn't -- it would work).

this is why backups are *always* critical. save run to flash. run diff. done.

either way -- give me time.

q.
--
"...if I in my north room dance naked, grotesquely before my mirror waving my shirt round my head and singing softly to myself..."

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