Recent changes to support-requests

mpls-installation

2011-11-23T09:15:27Z

hi,
i have trouble installing the mpls-linux . I compiled a new kernel according to the installation instructions , but i can't install iptables and iproute because the version is lower than the version in FC5. And i can't input mpls related commands in command line in the new mpls kernel, the commands depend on what？ And where can i get the src code of mpls-llinux-1.950?
thank you.

The information of my new mpls kernel:
[root@localhost etc]# dmesg | grep mpls
MPLS DEBUG net/mpls/mpls_sysfs.c:130:mpls_sysfs_init: enter
MPLS DEBUG net/mpls/mpls_sysfs.c:139:mpls_sysfs_init: exit
Registered MPLS tunnel mpls0
[root@localhost etc]# uname -r
2.6.15

My OS is FC5(kernel:2.6.15-1.2054_FC5smp).
I'v got the first 4 packages below, the last one linux-2.6.15.1 can't be downloaded, so i got linux-2.6.15 from http://www.kernel.org/pub/linux/kernel/ instead.
http://switch.dl.sourceforge.net/sourceforge/mpls-linux/mpls-linux-1.950.tar.bz2
http://switch.dl.sourceforge.net/sourceforge/mpls-linux/iptables-1.3.0-2_mpls_1.950d.i386.rpm
http://switch.dl.sourceforge.net/sourceforge/mpls-linux/iproute-2.6.11-1_mpls_1.950d.i386.rpm
http://switch.dl.sourceforge.net/sourceforge/mpls-linux/ebtables-2.0.6-7_mpls_1.950d.i386.rpm
ftp://ftp.roedunet.lkams.kernel.org/pub/linux/kernel/v2.6/linux-2.6.15.1.tar.bz2

zebra crashes when receiving label mappings

2010-08-18T11:25:26Z

I have installed mpls Linux on kernel with the RPM packages for fc10, and I’m using the ldp portable (1.970) on quagga for mpls signaling.

The problem I’m having is related with ldpd and zebra deamon on quagga. LDP sessions are established with success, but when it receives label mappings the zebra deamon crashes (see logs below).

Ldpd deamon doesn’t crash but I can see a broken pipe happening. I believe this is caused by zebra crash.

Does anyone can help me?

Thanks and regards,
Nuno

===== Zebra logs ====================================
2010/08/18 12:53:32 ZEBRA: rib_process: Adding route, select 0x9cfa7f0
2010/08/18 12:53:32 ZEBRA: netlink_route_multipath() (single hop): RTM_NEWROUTE 192.168.2.0/24, type IPv4
2010/08/18 12:53:32 ZEBRA: netlink_route_multipath() (single hop): nexthop via 192.168.1.2 if 4
2010/08/18 12:53:32 ZEBRA: netlink_talk: netlink-cmd type RTM_NEWROUTE(24), seq=7
2010/08/18 12:53:32 ZEBRA: netlink_parse_info: netlink-cmd ACK: type=RTM_NEWROUTE(24), seq=7, pid=0
2010/08/18 12:53:32 ZEBRA: netlink_parse_info: netlink-listen type RTM_NEWROUTE(24), seq=7, pid=4294963198
2010/08/18 12:53:32 ZEBRA: netlink_parse_info: netlink-cmd packet comes from netlink-listen
2010/08/18 12:53:32 ZEBRA: zebra message comes from socket [15]
2010/08/18 12:53:32 ZEBRA: zebra message received [ZEBRA_MPLS_OUT_SEGMENT_ADD] 39
2010/08/18 12:53:32 ZEBRA: netlink_talk: mpls-netlink-nhlfe type (29), seq=1
2010/08/18 12:53:32 ZEBRA: mpls-netlink-nhlfe error: No such file or directory, type=(29), seq=1, pid=0
ZEBRA: Received signal 11 at 1282132412 (si_addr 0x8, PC 0x805b7de); aborting...

================================================´
======== Ldpd logs ================================
2010/08/16 21:53:32 LDP: OUT: LABEL MAPPING MSG ***END***:
2010/08/16 21:53:32 LDP: OUT: Mesg size: 27 (201)
2010/08/16 21:53:32 LDP: EXIT: ldp_decode_one_mesg
2010/08/16 21:53:32 LDP: ENTER: ldp_state_machine
2010/08/16 21:53:32 LDP: OUT: FSM: state 5, event 5
2010/08/16 21:53:32 LDP: ENTER: ldp_state_process
2010/08/16 21:53:32 LDP: PRT: ldp_fec_find: 0xc0a80200/24
2010/08/16 21:53:32 LDP: ENTER: ldp_label_mapping_process
2010/08/16 21:53:32 LDP: OUT: Label Mapping Recv from 5.5.5.2:0 for c0a80200/24
2010/08/16 21:53:32 LDP: ENTER: ldp_nexthop_for_fec_session
2010/08/16 21:53:32 LDP: ENTER: ldp_session_for_nexthop: 0x0001
2010/08/16 21:53:32 LDP: PRT: ldp_session_for_nexthop-addr: 0x8fbd8d8 0x8fbd710 0x8fc2e30
2010/08/16 21:53:32 LDP: EXIT: ldp_session_for_nexthop-addr: 0x8fc2e30
2010/08/16 21:53:32 LDP: EXIT: ldp_nexthop_for_fec_session: 0x8fbd8d8
2010/08/16 21:53:32 LDP: buffer_write: write error on fd 8: Broken pipe
2010/08/16 21:53:32 LDP: zclient_send_message: buffer_write failed to zclient fd 8, closing
2010/08/16 21:53:32 LDP: OUT: Out Label Added
2010/08/16 21:53:32 LDP: OUT: Acting as ingress for c0a80200/24 from 5.5.5.2:0
2010/08/16 21:53:32 LDP: ENTER: Prepare_Label_Mapping_Attributes

setup about ldp-portable-0.310!!!

2004-01-12T11:36:04Z

i patch the ldp-portable-0.310.tar.gz to zebra-
0.94.tar.gz and executing 'create-links'.
when i configure and compile zebra, i find Makefile under
mplsd directory can't be created normally.

i can't find /mplsd/Makefile.in file!!!

how can i create Makefile.in and Makefile? Please help
me. Thank you very much.

mpls-linux installation question

2003-11-07T21:54:21Z

haii

I was trying to install mpls on linux....I downloaded
the linux2.4.x patch for mpls and got thru it....i
tried to bind the LSPs by installing iproute2-current .
I executed the following code.....

tar -zxvf iproute2-current.tar.gz
cd iproute2
patch -p1 < ../iproute2-mpls.diff
make

I was encoutering compilation errors .....hence i
cld'nt find this specified path /proc/net/mpls_out

I d'nt knw how to proceed. I wld appreciate if u cld
come up with some solution. Also plz let me knw where i
have to untar

"iproute2-current.tar.gz"

I wld appreciate a fast response

Thanks and Regards
Primpls

questions abt Mpls setup and deployment

2003-11-04T21:26:45Z

haii

I have just downloaded the MPLs-Linux code .....i wld
like to knw as how to start working with it....do u have
any detailed documentation and command list that i can
work with...

Plz reply as soon as possible
primpls

How to display the forwarding table?

2001-12-07T23:27:20Z

hi,

we used mpls-linux 1.0 version to build up a LSP with
4 PCs. BUt how can I see the forwarding table we have
established in PCs?

Thx a lot

Dong

mpls sample does not work

2001-03-19T07:48:44Z

Hey everybody,

I have a problem using mpls. I downloaded mpls-linux-0.802.tar.gz and patched it on the 2.4.1 kernel. I set up a small network containing tow computers. I used the README.example from the utils directory.

I used ethereal to see if it works. Unfortunately I can't see nothing, that looks like mpls, e.g. if I ping the computer with and without mpls the packet length is exactly the same, no label stack is visible.

So here are my questions:

1) How could I debug my setup? Where can I see if mpls works correctly and what should I expect?

2) Does anybody know a tool I can use to measure the mpls traffic?

3) Is there more documentation available?

I hope somebody could help me. Thank you in advance.

Cheers
Patrick Havel