A quick search on that error message says it's a return routing issue. http://kb.juniper.net/InfoCenter/index?page=content&id=KB21363&cat=JUNOS&actp=LIST
-Tim Eberhard On Tue, Jun 26, 2012 at 8:03 AM, f...@flipstar.net <f...@flipstar.net> wrote: > Hey everybody, > > I wonder if anybody is successfully using "forwarding-options helpers > domain" (DNS) [1] on branch SRX? > > In my setup the client queries the srx which forwards the request to the dns > server. > The dns sends a reply that never passes the srx back to the client. > > Client SRX DNS > 192.168.200.105 -> 192.168.200.1 -> 10.100.1.20 > x <- > > Junos 11.4R3.7 > > pw@srx650-1# show forwarding-options helpers domain > server 10.100.1.20; > interface { > reth0.1052; > reth0.1053; > reth0.1051; > } > > The reply from the dns server is dropped in the srx :-( > > > Jun 26 14:51:17 > 14:51:16.1467499:CID-1:RT:<10.100.1.20/53->192.168.200.105/51651;17> matched > filter dns_to_cli: > Jun 26 14:51:17 14:51:16.1467499:CID-1:RT:packet [68] ipid = 64549, > @43e92fa4 > Jun 26 14:51:17 14:51:16.1467700:CID-1:RT:---- flow_process_pkt: (thd 4): > flow_ctxt type 14, common flag 0x0, mbuf 0x43e92d80, rtbl_idx = 0 > Jun 26 14:51:17 14:51:16.1467700:CID-1:RT: flow process pak fast ifl 107 > in_ifp reth0.1051 > Jun 26 14:51:17 14:51:16.1467700:CID-1:RT: find flow: table 0x51f8bd18, hash > 42509(0xffff), sa 10.100.1.20, da 192.168.200.105, sp 53, dp 51651, proto > 17, tok 10 > Jun 26 14:51:17 14:51:16.1467768:CID-1:RT: flow got session. > Jun 26 14:51:17 14:51:16.1467768:CID-1:RT: flow fast tcp/udp session id > 268027 > Jun 26 14:51:17 14:51:16.1467784:CID-1:RT: route lookup failed: dest-ip > 192.168.200.105 orig ifp .local..0 output_ifp reth0.1052 fto 0x492786e8 > orig-zone 2 out-zone 11 vsd 0 > Jun 26 14:51:17 14:51:16.1467784:CID-1:RT: packet dropped, pak dropped > since re-route failed > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Jun 26 14:51:17 14:51:16.1467784:CID-1:RT: ----- flow_process_pkt rc 0x7 (fp > rc -1) > > > Regards > flip > > > [1] > https://www.juniper.net/techpubs/en_US/junos11.4/topics/usage-guidelines/policy-configuring-dns-and-tftp-packet-forwarding.html > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp