RE: [mpls-linux-general] Problem with MPLS
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RE: [mpls-linux-general] Problem with MPLS
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From: Gilles N. <gno...@ee...> - 2002-09-20 12:59:57
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Hi James,
I've run what u told me to do it seems to be good, there are no errors
messages in each function but the counter still doesn't increase. I
suppose it's working. Now I want just to understand these lines of
README's file.
Establish label 34 in label space 0
-----------------------------------
mplsadm -A -I gen:34:0
| | | | |
| | | | label space
add | | |
| | label
| |
| generic label
|
incoming label
(if you change the -A to -D you will delete the entry)
Establish a label switch path
-----------------------------
mplsadm -A -B -I gen:34:0 -O <key>
Why should I add "-B" option? Which "<key>" is it? Where does it come
from? From the previous outgoing label match's hop?
Cheers,
Gilles
-----Original Message-----
From: James R. Leu [mailto:jl...@mi...]
Sent: 19 September 2002 02:52
To: Gilles Noutcha
Cc: jl...@mi...; mpl...@li...
Subject: Re: [mpls-linux-general] Problem with MPLS
It all looks good to me. Try turning on MPLS kernel debugging on
each of the boxes (mplsadm2 -d then look at your console log, or execute
dmesg)
On Tue, Sep 17, 2002 at 04:27:46PM +0100, Gilles Noutcha wrote:
> Hi Jim & Co!
> That's how my network is (below).I've tried to setup MPLS trough ABC
> branch. All commands I've typed ( see Command's section) seem to work
> well.
> But the counter of all the host didn't increase. Help me please.
> Thanks in advance,
> Gilles.
>
>
> 192.168.33.1 192.168.33.49
> (eth0) (eth1) (eth1) 192.168.33.62
> A---------------------B---------------------C
> |(eth1) (eth0) |
> | 192.168.33.14 |(eth0)192.168.33.78
> | |
> -------------------D--------------------
> (eth1) (eth0)192.168.33.65
> 192.168.33.30
>
> On A:
> Eth0:192.168.33.1
> Network(A-B):192.168.33.0/28
> Range:...33.1 - ...33.14
> Network(A-D):192.168.33.16/28
> Range:...33.17 - ...33.30
> On B:
> Eth0:192.168.33.14
> Eth1:192.168.33.49
> Network(B-C):192.168.33.48/28
> Range:...33.49 - ...33.62
> On C:
> Eth1:192.168.33.62
> Eth0:192.168.33.78
> Network(C-D):192.168.33.64/28
> Range:...33.65 - ...33.78
> Commands:
> =========
> On A:
> -----
> mplsadm2 -AO 0 -o push:gen:75:set:eth0:ipv4:192.168.33.14# returns
> <key1>
> ip route add 192.168.33.48/28 via 192.168.33.14 lsp <key1>
> mplsadm2 -AI gen:75:0
> mplsadm2 -L eth0:0
>
> On B:
> -----
> *A toward C:
> +++++++++++
> mplsadm2 -AI gen:75:0
> mplsadm2 -A -O 0 returns <key2>
> mplsadm2 -O <key2> -o push:gen:75:set:eth1:ipv4:192.168.33.62
> mplsadm2 -L eth1:0
>
> *C toward A:
> +++++++++++
> mplsadm2 -AI gen:76:0
> mplsadm2 -A -O 0 returns <key3>
> mplsadm2 -O <key3> -o push:gen:76:set:eth0:ipv4:192.168.33.1
> mplsadm2 -L eth0:0
>
> On C:
> -----
> mplsadm2 -AO 0 -o push:gen:76:set:eth1:ipv4:192.168.33.49# returns
> <key1>
> ip route add 192.168.33.0/28 via 192.168.33.49 lsp <key1>
> mplsadm2 -AI gen:75:0
> mplsadm2 -L eth1:0
>
> Content of files:
> =================
>
> On A:
> -----
> ===========
> more mps_*
> ===========
> ::::::::::::::
> mpls_in
> ::::::::::::::
> 0x40013000 0/0/0 gen 76 0 1 POP PEEK
> ::::::::::::::
> mpls_labelspace
> ::::::::::::::
> eth0 0 11
> ::::::::::::::
> mpls_out
> ::::::::::::::
> 0x00000003 0/0/0 1 PUSH(gen 75) SET(eth0,192.168.33.14)
> ::::::::::::::
> mpls_tunnel
> ::::::::::::::
> ==============
> ip route show
> ==============
> 192.168.33.48/28 via 192.168.33.14 dev eth0 lsp 0x3
> 192.168.33.16/28 dev eth1 proto kernel scope link metric 287418560
> 192.168.33.0/28 dev eth0 proto kernel scope link metric 18983104
> default via 192.168.33.14 dev eth0
>
>
> On B:
> -----
> ===========
> more mps_*
> ===========
> ::::::::::::::
> mpls_in
> ::::::::::::::
> 0x40012c00 0/0/0 gen 75 0 1 POP FWD(0x00000002)
> 0x40013000 0/0/0 gen 76 0 1 POP FWD(0x00000003)
> ::::::::::::::
> mpls_labelspace
> ::::::::::::::
> eth0 0 9
> eth1 0 7
> ::::::::::::::
> mpls_out
> ::::::::::::::
> 0x00000002 0/0/0 2 PUSH(gen 75) SET(eth1,192.168.33.62)
> 0x00000003 0/0/0 2 PUSH(gen 76) SET(eth0,192.168.33.1)
> ::::::::::::::
> mpls_tunnel
> ::::::::::::::
>
>
> On C:
> -----
> ===========
> more mps_*
> ===========
> ::::::::::::::
> mpls_in
> ::::::::::::::
> 0x40012c00 0/0/0 gen 75 0 1 POP PEEK
> ::::::::::::::
> mpls_labelspace
> ::::::::::::::
> eth0 0 8
> ::::::::::::::
> mpls_out
> ::::::::::::::
> 0x00000004 0/0/0 1 PUSH(gen 76) SET(eth1,192.168.33.49)
> ::::::::::::::
> mpls_tunnel
> ::::::::::::::
> ==============
> ip route show
> ==============
> 192.168.33.0/28 via 192.168.33.49 dev eth1 lsp 0x4
> 192.168.33.48/28 dev eth1 proto kernel scope link metric 1042393200
> 192.168.33.64/28 dev eth0 proto kernel scope link metric 1310828736
>
>
>
>
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--
James R. Leu
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