Show ip eigrp neighbor detail
I am a little confused. I am currently taking CCNP Route through the Academy and the book really doesn't explain the difference between these 2 very well. What's the difference between Retrans and Retries? To me they sound the same.
Comments
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pham0329
Member Posts: 556
I'm not positive, but I'll take a shot.
With EIGRP, if a router doesn't receive an ACK for a packet which was sent reliably, once the RTO expires, it retransmit (retrans) another copy of that packet. It will retry (retries) this up to 16 times, until it receives an ACK.
Perhaps the Retrans is the number of unique packets EIGRP had to retransmit, and "retries" is the number of times EIGRP tried to retransmit the packet. Does that make any sense? -
manar_d
Registered Users Posts: 1 ■□□□□□□□□□
Hi,
You probably already found your answer, but I'll contribute for people reviewing or asking the same question:
Retrans: The number of times that a packet has been retransmitted.
Retries : The number of times an attempt was made to retransmit a packet.
ref.: Cisco IOS IP Command Reference, Volume 2 of 4: Routing Protocols, Release 12.3 - IP Routing Protocols Commands: show bgp nsap through show ip local policy [Cisco IOS Software Releases 12.3 Mainline] - Cisco Systems
So I think different values for those counters indicates that the problem is in the same router in the outgoing interface.