[j-nsp] Unidirectional Ping on the J6350

Jonathan Lassoff jof at thejof.com
Sat Jan 8 11:04:58 EST 2011


On Sat, Jan 8, 2011 at 2:45 AM, networking alcatel <netprodata at gmail.com> wrote:
> Hi
>
> i'm sort of stuck ...
>
> One end is a J6350 router and the other end a Cisco router...
>
> the built up between these two devices is L2 and on a VLAN 10.
> From J6350 to the Cisco Router you are able to ping reverse you are not able
> to ping ,in the middle of the circuit there is a switch on which we tore the
> circuit into two segments and did a ping to the J6350 router and Cisco
> Router , both were ok.
> When the circuit is made through you are able to ping only from J6350 to
> Cisco Router the other way its not working.
>
> On the J6350 all protocols and services are allowed on the cisco no
> restrictions, its a /30 with a single IP's on either end any suggestions

If you're running a JunOS-ES version (factory default on new J-series,
I think), be sure that your policies in the "security { }" hierarchy
permit your ICMP traffic.

Cheers,
jof



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