Does Cisco 881 have reverse NAT, im dealing with a unique case where no one can access mail/webmail via the public IP on the local LAN while they can access the same while outside the LAN e.g. in a neighbouring office. This applies to this appliance only, while on a Cisco Linksys, access to the mail/webmail on both LAN and off LAN is possible via public IP. --------------- Don't wait for success; hunt it down like there's no tomorrow.
hmmm.... could you give more detail on how the LAN is setup... subnets, etc On 8/14/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
Does Cisco 881 have reverse NAT, im dealing with a unique case where no one can access mail/webmail via the public IP on the local LAN while they can access the same while outside the LAN e.g. in a neighbouring office.
This applies to this appliance only, while on a Cisco Linksys, access to the mail/webmail on both LAN and off LAN is possible via public IP.
--------------- Don't wait for success; hunt it down like there's no tomorrow.
This is the only set up in place, not complex at all. ---------------------------------------------- Public IP xx.xxx.x.xxx Private Ip in the range 192.168.1.x Subnet 255.255.255.0 Gateway 192.168.1.1 --------------------------------------------- Peter On Sun, Aug 14, 2011 at 7:08 PM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
hmmm.... could you give more detail on how the LAN is setup... subnets, etc
On 8/14/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
Does Cisco 881 have reverse NAT, im dealing with a unique case where no one can access mail/webmail via the public IP on the local LAN while they can access the same while outside the LAN e.g. in a neighbouring office.
This applies to this appliance only, while on a Cisco Linksys, access to the mail/webmail on both LAN and off LAN is possible via public IP.
do you have the public ip? if yes check the ports On Mon, Aug 15, 2011 at 8:12 AM, Peter Osotsi <peter.osotsi@gmail.com>wrote:
This is the only set up in place, not complex at all. ---------------------------------------------- Public IP xx.xxx.x.xxx
Private Ip in the range 192.168.1.x Subnet 255.255.255.0 Gateway 192.168.1.1 ---------------------------------------------
Peter
On Sun, Aug 14, 2011 at 7:08 PM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
hmmm.... could you give more detail on how the LAN is setup... subnets, etc
On 8/14/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
Does Cisco 881 have reverse NAT, im dealing with a unique case where no one can access mail/webmail via the public IP on the local LAN while they can access the same while outside the LAN e.g. in a neighbouring office.
This applies to this appliance only, while on a Cisco Linksys, access to the mail/webmail on both LAN and off LAN is possible via public IP.
_______________________________________________ Skunkworks mailing list Skunkworks@lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks ------------ Skunkworks Rules http://my.co.ke/phpbb/viewtopic.php?f=24&t=94 ------------ Other services @ http://my.co.ke
-- GG
ei... this is quite peculiar. internet access works... but not LAN access. i'm a n00b... but i'd say its the firewall. i'm its been mis-configured. I dont think has anything to do with NAT-ing... unless u have two subnets, NAT cant be the issue. If the client comps and the are connected to the same switch, then the mail server may have been mis-configured to drop local-IPs... may be a mis-type was made somewhere.... like 192.168.*1* instead on 192.168.*0*... something like that. If the client machines can ping that server, then it must be some misconfiguration somewhere... On 8/15/11, geoffrey gitagia <ggitagia@gmail.com> wrote:
do you have the public ip? if yes check the ports
On Mon, Aug 15, 2011 at 8:12 AM, Peter Osotsi <peter.osotsi@gmail.com>wrote:
This is the only set up in place, not complex at all. ---------------------------------------------- Public IP xx.xxx.x.xxx
Private Ip in the range 192.168.1.x Subnet 255.255.255.0 Gateway 192.168.1.1 ---------------------------------------------
Peter
On Sun, Aug 14, 2011 at 7:08 PM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
hmmm.... could you give more detail on how the LAN is setup... subnets, etc
On 8/14/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
Does Cisco 881 have reverse NAT, im dealing with a unique case where no one can access mail/webmail via the public IP on the local LAN while they can access the same while outside the LAN e.g. in a neighbouring office.
This applies to this appliance only, while on a Cisco Linksys, access to the mail/webmail on both LAN and off LAN is possible via public IP.
_______________________________________________ Skunkworks mailing list Skunkworks@lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks ------------ Skunkworks Rules http://my.co.ke/phpbb/viewtopic.php?f=24&t=94 ------------ Other services @ http://my.co.ke
-- GG
The setup works fine when a Cisco linksys is in place, but fails when a Cisco 881 is replaced in the place of Linksys. Mapping done, everything looks the same way on both routers. I don't think 881 come with inbuilt firewall? On Mon, Aug 15, 2011 at 10:20 AM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
ei... this is quite peculiar. internet access works... but not LAN access.
i'm a n00b... but i'd say its the firewall. i'm its been mis-configured. I dont think has anything to do with NAT-ing... unless u have two subnets, NAT cant be the issue. If the client comps and the are connected to the same switch, then the mail server may have been mis-configured to drop local-IPs... may be a mis-type was made somewhere.... like 192.168.*1* instead on 192.168.*0*... something like that. If the client machines can ping that server, then it must be some misconfiguration somewhere...
eh... have you called the ghost-busters, hehehehe ... ok. Lets get to the same pciture... The client-comps and the server are on the same sub-net. The public IP is on the router-interface, and u've setup port-forwarding to forward email & web traffic from the router to the server... right?... ama u've pulled off some neat tricks :-) .... do a trace route... follow the breadcrumbs. see where local requests for the server are going. ... and where are the pro-skunks to comment?! On 8/15/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
The setup works fine when a Cisco linksys is in place, but fails when a Cisco 881 is replaced in the place of Linksys. Mapping done, everything looks the same way on both routers. I don't think 881 come with inbuilt firewall?
On Mon, Aug 15, 2011 at 10:20 AM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
ei... this is quite peculiar. internet access works... but not LAN access.
i'm a n00b... but i'd say its the firewall. i'm its been mis-configured. I dont think has anything to do with NAT-ing... unless u have two subnets, NAT cant be the issue. If the client comps and the are connected to the same switch, then the mail server may have been mis-configured to drop local-IPs... may be a mis-type was made somewhere.... like 192.168.*1* instead on 192.168.*0*... something like that. If the client machines can ping that server, then it must be some misconfiguration somewhere...
Would you share the IP segmentation on all networks, linksys , router etc. On Mon, Aug 15, 2011 at 1:54 PM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
eh... have you called the ghost-busters, hehehehe
... ok. Lets get to the same pciture... The client-comps and the server are on the same sub-net. The public IP is on the router-interface, and u've setup port-forwarding to forward email & web traffic from the router to the server... right?... ama u've pulled off some neat tricks :-)
.... do a trace route... follow the breadcrumbs. see where local requests for the server are going.
... and where are the pro-skunks to comment?!
On 8/15/11, Peter Osotsi <peter.osotsi@gmail.com> wrote:
The setup works fine when a Cisco linksys is in place, but fails when a Cisco 881 is replaced in the place of Linksys. Mapping done, everything looks the same way on both routers. I don't think 881 come with inbuilt firewall?
On Mon, Aug 15, 2011 at 10:20 AM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
ei... this is quite peculiar. internet access works... but not LAN access.
i'm a n00b... but i'd say its the firewall. i'm its been mis-configured. I dont think has anything to do with NAT-ing... unless u have two subnets, NAT cant be the issue. If the client comps and the are connected to the same switch, then the mail server may have been mis-configured to drop local-IPs... may be a mis-type was made somewhere.... like 192.168.*1* instead on 192.168.*0*... something like that. If the client machines can ping that server, then it must be some misconfiguration somewhere...
_______________________________________________ Skunkworks mailing list Skunkworks@lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks ------------ Skunkworks Rules http://my.co.ke/phpbb/viewtopic.php?f=24&t=94 ------------ Other services @ http://my.co.ke
-- Conservatism is the adherence to the old tried against the new untried.
Gaai; I just returned the linksys, my life is a little hard but i'll figure out what to do. Its never hard to learn when all you need are results. Peter
On Tue, Aug 16, 2011 at 9:47 AM, Peter Osotsi <peter.osotsi@gmail.com> wrote:
Gaai;
I just returned the linksys, my life is a little hard but i'll figure out what to do. Its never hard to learn when all you need are results.
Peter
Please post the running-config of the 881. BR S -- This message represents the official view of the voices in my head.
On 15 August 2011 11:35, Peter Osotsi <peter.osotsi@gmail.com> wrote:
The setup works fine when a Cisco linksys is in place, but fails when a Cisco 881 is replaced in the place of Linksys. Mapping done, everything looks the same way on both routers. I don't think 881 come with inbuilt firewall?
Sh run?
On Mon, Aug 15, 2011 at 10:20 AM, John Doe Smith Kamau KipNg'etich Jones < skunkworks.ku@gmail.com> wrote:
ei... this is quite peculiar. internet access works... but not LAN access.
i'm a n00b... but i'd say its the firewall. i'm its been mis-configured. I dont think has anything to do with NAT-ing... unless u have two subnets, NAT cant be the issue. If the client comps and the are connected to the same switch, then the mail server may have been mis-configured to drop local-IPs... may be a mis-type was made somewhere.... like 192.168.*1* instead on 192.168.*0*... something like that. If the client machines can ping that server, then it must be some misconfiguration somewhere...
_______________________________________________ Skunkworks mailing list Skunkworks@lists.my.co.ke http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks ------------ Skunkworks Rules http://my.co.ke/phpbb/viewtopic.php?f=24&t=94 ------------ Other services @ http://my.co.ke
participants (6)
-
geoffrey gitagia -
John Doe Smith Kamau KipNg'etich Jones -
Peter Osotsi -
Steve Muchai -
TheMburu George -
Thuo Wilson