[OOR-Users] A Question about map cache expire and SMR.

[Albert López]

Dear Yoonseon,

Uauuu, it seems you have found some bugs :). Thank to notify them to us. 
We will let you know when we fix them. I hope it will be during this week.

Regards

Albert


On 30/11/16 05:11, YoonSeon Han wrote:
> Dear OOR users,
>
> Hi. My name is yoonseon han, and I just started to support dynamic 
> configuration using YANG/NetConf.
>
> I did successfully configured OOR as my testbed LISP data plane.
> Also, it well supports dynamic local db configuration and resolver 
> modifications through NetConf.
>
> However, I have a problem.
> After OOR local-db is changed through NetConf, OOR doesn't send SMR to 
> xTRs on it's map cache.
> Moreover, there are no function to process SMR when OOR receives SMR.
> Am I misconfigured OOR? or is still in development?
>
> Second question is that when local cache mapping is expired, it 
> continues send map request to the xTR where the EID was supported.
> For example, xTR A was provided 1.1.1.1 EID.
> But, it removed from local-db of xTR A.
> In this case, xTR B (client) noticed that xTR A not support 1.1.1.1 
> EID by xTR A.
> But, xTR B continuously send map-request to xTR A, and the xTR B's 
> cache recored never expired.
> The map-cache record should removed form xTR B, and it should get new 
> mapping info. from mapping system.
> I attached my log in the last part of this mail.
>
> As summary,
>
> 1. OOR not send SMR when configured through NetConf
> 2. OOR not process SMR when receive SMR as ITR
> 3. OOR map cache never not expired.
>
> Sincerely,
>
> /Yoonseon Han
>
> EID - 11.11.11.11
> ITR - 141.223.92.125
> ETR - 141.223.92.127
> Now, 141.223.92.127 not support 11.11.11.11 EID anymore.
>
> [2016/11/30 12:57:26] DEBUG-3: Forwarding native to destination 
> 11.11.11.11
> [2016/11/30 12:57:27] DEBUG: Sent control message IP: 141.223.92.125 
> -> 141.223.92.127 UDP: 4342 -> 4342
> [2016/11/30 12:57:27] DEBUG: Map-Request Probe for locator 
> 141.223.92.127 and EID: 11.11.11.11/32 <http://11.11.11.11/32>
> [2016/11/30 12:57:27] DEBUG-3: OUTPUT: Received EID 2.2.2.2 -> 
> 11.11.11.11, Proto: 1, Port: 0 -> 0
> [2016/11/30 12:57:27] DEBUG-3: Forwarding native to destination 
> 11.11.11.11
> [2016/11/30 12:57:28] DEBUG: Sent control message IP: 141.223.92.125 
> -> 141.223.92.127 UDP: 4342 -> 4342
> [2016/11/30 12:57:28] DEBUG: Retry Map-Request Probe for locator 
> 141.223.92.127 and EID: 11.11.11.11/32 <http://11.11.11.11/32> (1 retries)
> [2016/11/30 12:57:29] DEBUG-3: OUTPUT: Received EID 2.2.2.2 -> 
> 11.11.11.11, Proto: 1, Port: 0 -> 0
> [2016/11/30 12:57:29] DEBUG-3: Forwarding native to destination 
> 11.11.11.11
> [2016/11/30 12:57:29] DEBUG-2: Reprogramed RLOC probing of the locator 
> 141.223.92.127 of the EID 11.11.11.11/32 <http://11.11.11.11/32> in 1 
> seconds
> [2016/11/30 12:57:30] DEBUG-3: OUTPUT: Received EID 2.2.2.2 -> 
> 11.11.11.11, Proto: 1, Port: 0 -> 0
> [2016/11/30 12:57:30] DEBUG-3: ttable_remove_with_khiter: Remove 
> tupla: Src_addr: 2.2.2.2, Dst addr: 11.11.11.11, Proto: ICMP, Src 
> Port: 0, Dst Port: 0
> IID|VNI: 0
>
>
>
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-- 
Albert López
CCABA System Administrator
Universitat Politècnica de Catalunya
Telf: 93 4017182

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