PIX 515 no traffic on the new IP address don't block
We have received a new range of ips 213.x.x.x/28 from our ISP. They are routed through our existing entry door 92.x.x.146.
The problem:
We can not all traffic to the pix on the new 213.x.x.x/28 range.
-If we try to ping 213.x.x.61, we get the lifetime exceeded.
-ISP Gets the same thing of their router.
-ISP tries ssh and gets no route to host.
The ISP has ticked then double the Routing and the MAC address of our external interface. They are correct.
The strange thing is that we cannot see THE log messages about the new range of incoming connection attempts. The Pix is running at the level of the journal 7.
Does anyone have an idea what could be the problem? or suggestions for debugging the issue?
Excerpt from config:
7.0 (7) independent running Pix 515
outside 92.x.x.146 255.255.255.240
inside 192.168.101.1 255.255.255.0
Global 1 interface (outside)
NAT (inside) 1 0.0.0.0 0.0.0.0
Route outside 0.0.0.0 0.0.0.0 92.x.x.145 1
Access-group acl_out in interface outside
acl_out list extended access permit tcp any host 213.x.x.x eq www
acl_out list extended access permit tcp any host 213.x.x.x eq ssh
static (inside, outside) 213.x.x.61 192.168.101.99 netmask 255.255.255.255
ICMP allow any inaccessible State
192.168.101.99 is a test with http and ssh linux server
Any help much appreciated.
PM
dsc_tech_1 wrote:
I have spoken to the ISP and confirmed the MAC address of the outside interface Ethernet0
ISP says
...we are sending this correctly to your pix, you should see any traffic destined for a 213.x.x.0/28 address hit your interface at 92.x.x.146/32Yes 217.x.x.81 and 217.x.x.82 are routers owned by our ISP.
Is there anything else I can ask the ISP in terms of testing/debugging? I've run out of ideas.
If the routers are owned by your ISP, then the fault lies with them. They have a routing loop in their network and that's why packages are not your firewall. You have them shown the traceroute?
They must focus on the routeurs.81 et.82 to establish why the packets are looped between these 2 routers. Until they fix this packet will never get your firewall.
Jon
Tags: Cisco Security
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