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etharp.c: Make MAX_AGE of an ARP entry configurable

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This commit is contained in:
Dirk Ziegelmeier
2016-02-11 09:38:17 +01:00
parent 5aa5563622
commit cddd3b552a
2 changed files with 8 additions and 6 deletions
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8
src/include/lwip/opt.h
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@@ -451,6 +451,14 @@
#define ARP_TABLE_SIZE 10
#endif
/** the time an ARP entry stays valid after its last update,
* for ARP_TMR_INTERVAL = 1000, this is
* (60 * 5) seconds = 5 minutes.
*/
#ifndef ARP_MAXAGE
#define ARP_MAXAGE 300
#endif
/**
* ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
* resolution. By default, only the most recent packet is queued per IP address.