[j-nsp] ldp question

[Chris Summers]

Bert,

This is expected JUNOS behavior, no need for any filtering.

chris

At 07:47 AM 7/31/2002 +0200, bert.todts@alcatel.be wrote:
>I have following topolgy with ldp enabled without any policys.
>
>juniper1--------------router1---------------juniper2
>192.168.99.30         192.168.99.60          192.168.99.20
>
>Juniper sends default his loopbacks with  a labelmap msg but is it
>normal that juniper1 sends a label map with FEC 192.168.99.20 back to
>router1 after it received  this FEC from router1 ? ( the same counts for
>
>juniper2 )
>Router 1 will reject this FEC because of next-hop checks but is this the
>
>normal way.
>Do I have to add extra filtering ?
>
>Regards,
>Bert
>
>
>Input label database, 192.168.99.30:0--192.168.99.60:0
>   Label     Prefix
>  262163     192.168.99.20/32
>
>Output label database, 192.168.99.30:0--192.168.99.60:0
>   Label     Prefix
>  100021     192.168.99.20/32
>            3     192.168.99.30/32
>
>ul 28 09:32:46 LDP rcvd TCP PDU 192.168.99.60 -> 192.168.99.30 (none)
>Jul 28 09:32:46 ver 1, pkt len 38, PDU len 34, ID 192.168.99.60:0
>Jul 28 09:32:46   Msg LabelMap (0x400), len 24, ID 5
>Jul 28 09:32:46     TLV FEC (0x100), len 8
>Jul 28 09:32:46       Prefix, family 1, 192.168.99.20/32
>Jul 28 09:32:46     TLV Label (0x200), len 4
>Jul 28 09:32:46       Label 262163
>Jul 28 09:32:46 LDP sent TCP PDU 192.2.1.1 -> 192.2.1.2 (none)
>Jul 28 09:32:46 ver 1, pkt len 38, PDU len 34, ID 192.168.99.30:0
>Jul 28 09:32:46   Msg LabelMap (0x400), len 24, ID 223298
>Jul 28 09:32:46     TLV FEC (0x100), len 8
>Jul 28 09:32:46       Prefix, family 1, 192.168.99.20/32
>Jul 28 09:32:46     TLV Label (0x200), len 4
>Jul 28 09:32:46       Label 100021
>Jul 28 09:32:46 LDP sent TCP PDU 192.168.99.30 -> 192.168.99.60 (none)
>Jul 28 09:32:46 ver 1, pkt len 38, PDU len 34, ID 192.168.99.30:0
>Jul 28 09:32:46   Msg LabelMap (0x400), len 24, ID 223299
>Jul 28 09:32:46     TLV FEC (0x100), len 8
>Jul 28 09:32:46       Prefix, family 1, 192.168.99.20/32
>Jul 28 09:32:46     TLV Label (0x200), len 4
>Jul 28 09:32:46       Label 100021
>
>
>
>
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