Re: [mpls-linux-general] zebra+ldp

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Are you sure you are using the zebra RPM from my site?  It looks like you are
running a newer zebra+ldp which must has a bug in it.  I will double
check to make sure my RPM isn't buggy.

On Fri, Aug 08, 2003 at 11:34:37PM -0700, Zahra Farahmand wrote:
> hi all,
> I have two PCs with linux8.0
>         A---------------------------B
> 192.168.2.207                  192.168.2.152
> I have installed:
> 1-kernel-2.4.18-27.8.0+mpls1.172.i386.rpm
> 2-iproute-2.4.7-5+mpls1.172.i386.rpm
> 3-iptables-1.2.6a-2+mpls1.172.i386.rpm
> 4-mplsadm2-1.172-2.i386.rpm
> 5-zebra-0.94-1+ldp0.310.i386.rpm
> successfully.
> Now I want to setup dynamic LSP via ldp.
> At first,I make a clean start:
> #ip route flush scope global type unicast
> #ip addr flush eth0
> and then to create dummy interface on each router, I
> do a 'modprobe dummy' from my linux command line and
> type 
> 'ip link show' to check that it is loaded.
> Then using zebra cli, I assign address 192.168.0.1/32
> to com A, 192.168.0.2/32 to com B, at this point I
> dont know if these addresses are correct or not?
> and using the OSPF cli, I add a network statement, but
> I dont know if it is right or not?
> Here are my deamon files:
> 
> Zebra.conf:
> !
> ! Zebra configuration saved from vty
> !   2003/08/04 04:05:50
> !
> hostname uml-1
> password root
> enable password root
> service advanced-vty
> !
> interface lo
>  description Loopback 
> !
> interface eth0
>  ip address 192.168.2.207/24
> !
> interface dummy0
>  ip address 192.168.0.1/32
> !
> !
> line vty
>  exec-timeout 0 0
> !
> ------------------------------
> ospfd.conf:
> !
> ! Zebra configuration saved from vty
> !   2003/08/04 04:05:50
> !
> hostname uml-1
> password root
> enable password root
> service advanced-vty
> !
> interface lo
>  description Loopback 
> !
> interface eth0
>  ip address 192.168.2.207/24
> !
> interface dummy0
>  ip address 192.168.0.1/32
> !
> !
> line vty
>  exec-timeout 0 0
> !
> -------------------------------
> mplsd.conf:
> 
> !
> ! Zebra configuration saved from vty
> !   2003/08/04 04:05:50
> !
> hostname uml-1
> password root
> enable password root
> !
> !
> mpls ldp
>  egress connected
> !
> interface lo
>  no mpls labelspace
> !
> interface eth0
>  mpls labelspace 0
>  mpls ldp
>  !
> !
> interface dummy0
>  no mpls labelspace
> !
> line vty
> !
> -----------------------------
> Then I run the following commands on both computers:
> # ./zebra -f /etc/zebra.conf -P 1024 -d
> # ./ospfd -f /etc/ospfd.conf -P 1025 -d
> # ./mplsd -f /etc/mplsd.conf -P 1026
> but when I run the last command, this message appears:
> rsvpte_vty_init
> there is no such command
> Error occured during reading below line
>   mpls labelspace 0
> So I try to configure it by hand, telnet to port 1026
> and login and execute the below commands:
> 
> enable
> <password>
> conf ter
> mpls ldp
> tr all
> exit
> int lo
> exit
> int eth0
> mpls ldp
> exit
> int dummy0
> exit
> end
> -----------------
> on comuter A:
> uml-zebra# sho router-id
> router-id: 192.168.0.1
> 
> uml-mplsd# sho ldp
> LSR-ID: c0a80001 Admin State: ENABLED
> Transport Address: c0a80001
> Control Mode: ORDERED   Repair Mode: GLOBAL
> Propogate Release: TRUE Label Merge: TRUE
> Retention Mode: LIBERAL Loop Detection Mode: NONE
> TTL-less-domain: FALSE
> Local TCP Port: 646     Local UDP Port: 646
> Keep-alive Time: 45     Keep-alive Interval: 15
> Hello Time: 15  Hello Interval: 5
> 
> uml-mplsd# sho ldp neighbor
> Peer LDP Ident: 192.168.0.2:0; Local LDP Ident:
> 192.168.0.1:0
>         TCP connection: n/a
>         State: discovery; Msgs sent/recv: -/-;
>         Up time: -
>         LDP discovery sources:
>           eth0
> 
> uml-mplsd# sho ldp database
>     no labeling info has been exchanged
> 
> uml-mplsd# sho ldp session
>     no established sessions
> Why no session stablished and no labeling info has
> been exchanged?
> 
> uml-mplsd# sho mpls ftn
> FTNs:
> 
> Total 0
> 
> uml-mplsd# sho mpls forwarding
> Insegments:
> 
> Total 0
> 
> Outsegments:
> 
> Total 0
> 
> Cross Connects:
> 
> Total 0
> --------------------
> on computer B:
> uml-mplsd# sho ldp
> LSR-ID: c0a80002 Admin State: ENABLED
> Transport Address: c0a80002
> Control Mode: ORDERED   Repair Mode: GLOBAL
> Propogate Release: TRUE Label Merge: TRUE
> Retention Mode: LIBERAL Loop Detection Mode: NONE
> TTL-less-domain: FALSE
> Local TCP Port: 646     Local UDP Port: 646
> Keep-alive Time: 45     Keep-alive Interval: 15
> Hello Time: 15  Hello Interval: 5
> 
> uml-mplsd# sho ldp neighbor
> 
>         No discovered neighbors
> 
> Why "No discovered neighbors" ?
> 
> when I caputre the packets with ethereal, both
> cmputres only send Hello message to 224.0.0.2
> destination, I'm confused,Please help me.
> I'm sorry if the letter is too long, but it's very
> important for me to solve the problem and setup
> dynamic LSP via ldp, I really need your help.
> Thanks alot for your time.
> 
> Regards,
> Z-Farahmand
> 
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-- 
James R. Leu