[pptp-server] GRE/Protocol errors ......

Brian L. DiMambro dimambro at pacbell.net
Sat Sep 30 15:09:42 CDT 2000


Hi all.

I am seeing these errors after enabling encryption.

Info.

RH 2.2.14-5.0 kernel
ppp-2.3.11
ppp-2.3.11-openssl-0.9.5-mppe.patch
ppp_RH.patch
pptpd-1.0.0 from rpm then installed 1.0.1 compiled from source

my options file .....

lock
debug
auth
+chap
proxyarp
ms-dns 192.168.20.245
+chapms
+chapms-v2
mppe-40
mppe-128
mppe-stateless

These errors came from a W2K client with encryption and compression enabled.

I'm getting the folllowing errors:

pptpd-1.0.0 installed


GRE: Discarding duplicate packet
Sep 30 12:36:32 wclvs2-0 pppd[991]: Unsupported protocol 0xbd0f received
Sep 30 12:36:33 wclvs2-0 pppd[991]: Unsupported protocol 0x8798 received
Sep 30 12:36:33 wclvs2-0 pptpd[990]: GRE: Discarding out of order packet
Sep 30 12:36:33 wclvs2-0 pptpd[1029]: GRE: Discarding out of order packet
Sep 30 12:36:33 wclvs2-0 pptpd[990]: GRE: Discarding duplicate packet
Sep 30 12:36:33 wclvs2-0 pptpd[1029]: GRE: Discarding duplicate packet
Sep 30 12:36:34 wclvs2-0 pppd[1030]: Unsupported protocol 0x2fc0 received
Sep 30 12:36:35 wclvs2-0 pptpd[990]: GRE: Discarding duplicate packet
Sep 30 12:36:35 wclvs2-0 pptpd[1029]: GRE: Discarding duplicate packet
Sep 30 12:36:35 wclvs2-0 pppd[1030]: Unsupported protocol 0xbbb3 received
Sep 30 12:36:38 wclvs2-0 pppd[1030]: Unsupported protocol 0x7b9a received
Sep 30 12:36:38 wclvs2-0 pppd[1030]: Unsupported protocol 0x590f received
Sep 30 12:36:38 wclvs2-0 pppd[1030]: Unsupported protocol 0x836b received
Sep 30 12:36:39 wclvs2-0 pppd[1030]: Unsupported protocol 0xc8cd received
Sep 30 12:36:42 wclvs2-0 pppd[1030]: Unsupported protocol 0x11c9 received
Sep 30 12:36:42 wclvs2-0 pppd[1030]: Unsupported protocol 0xe1c4 received


After 1.0.1

Sep 30 12:53:50 wclvs2-0 pptpd[2620]: GRE: Discarding out of order packet
Sep 30 12:53:50 wclvs2-0 pptpd[2620]: GRE: Discarding out of order packet
Sep 30 12:53:51 wclvs2-0 pptpd[2620]: GRE: Discarding duplicate packet
Sep 30 12:53:51 wclvs2-0 pppd[2621]: Unsupported protocol 0xdeb2 received


More


Sep 30 12:54:12 wclvs2-0 pptpd[2715]: GRE: Discarding duplicate packet
Sep 30 12:54:42 wclvs2-0 pppd[2621]: Unsupported protocol 0x2b8d received
Sep 30 12:54:43 wclvs2-0 pppd[2621]: Unsupported protocol 0x4fa4 received
Sep 30 12:54:43 wclvs2-0 pppd[2621]: Unsupported protocol 0xd7cd received
Sep 30 12:54:43 wclvs2-0 pppd[2621]: Unsupported protocol 0x8c7a received
Sep 30 12:54:43 wclvs2-0 pppd[2621]: Unsupported protocol 0xaa9 received
Sep 30 12:54:43 wclvs2-0 pppd[2621]: Unsupported protocol 0x1be9 received
Sep 30 12:54:44 wclvs2-0 pppd[2621]: Unsupported protocol 0xd009 received
Sep 30 12:54:44 wclvs2-0 pppd[2621]: Unsupported protocol 0x84f7 received
Sep 30 12:54:44 wclvs2-0 pppd[2621]: Unsupported protocol 0x3ed5 received

Any help will be greatly appreciated.

Thanks in advance

Brian




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