[j-nsp] Traceroute not working as expected

[Dan White]

>Il 18 Dic 2017 21:51, "Dan White" <dwhite at olp.net> ha scritto:
>>> If I made traceroute to a wan location 10.2.0.1 from 3) I get:
>>> 10.1.0.1
>>> then wan mpls
>>>
>>> If I made traceroute to a wan location 10.2.0.1 from 4) I get:
>>> 10.1.0.2
>>> 10.1.0.1
>>> Then wan carrier mpls
>>>
>>> What can cause the issue only to firewallC?
>>> This is why I guess I cannot establish ipsec vpn from remote to firewallC.
>>
>> ICMP redirect is the first thing that comes to mind, along with perhaps
>> inconsistent ICMP filtering rules.

On 12/18/17 22:14 +0100, james list wrote:
>Yes I tought it but why only for one firewall and not the other?

What configuration differences are there in this network? Where is ICMP
Redirect configured (or not)? Any ICMP filter/firewall rules you have in
this network will break things in very creative ways, so think carefully
about whether you really need them (if they exist).