Hello Samir, No it is not necessary to use the send-lifetime option. I never use that option unless it is specified.
Sent from my Verizon Wireless Phone ----- Reply message ----- From: "Samir Idris" <[email protected]> Date: Sun, Apr 17, 2011 6:35 am Subject: [OSL | CCIE_RS] RIP To: <[email protected]> Hi, A quick question: When configuring RIP authentication, is it necessary to specify the send and accept lifetime? I think not. Am I right? Key-chain R2R4: key 1 -- text "ipexpert_R2toR4" accept lifetime (always valid) - (always valid) [valid now] send lifetime (always valid) - (always valid) [valid now] R2(config-subif)#do sh ip proto Routing Protocol is "rip" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Incoming routes will have 5 added to metric if on list R8 Sending updates every 30 seconds, next due in 19 seconds Invalid after 180 seconds, hold down 0, flushed after 240 Redistributing: rip Default version control: send version 2, receive version 2 Interface Send Recv Triggered RIP Key-chain FastEthernet0/0 2 2 Serial0/1.24 2 2 R2R4 Serial0/1.25 2 2 Serial0/1.26 2 2 Automatic network summarization is not in effect Maximum path: 4 Routing for Networks: 0.0.0.0 Passive Interface(s): Serial0/0 FastEthernet0/1 Serial0/1 Serial0/2 Serial0/3 FastEthernet1/0 FastEthernet1/1 FastEthernet1/2 FastEthernet1/3 FastEthernet1/4 FastEthernet1/5 FastEthernet1/6 FastEthernet1/7 FastEthernet1/8 FastEthernet1/9 FastEthernet1/10 FastEthernet1/11 Passive Interface(s): FastEthernet1/12 FastEthernet1/13 FastEthernet1/14 FastEthernet1/15 Vlan1 VoIP-Null0 Routing Information Sources: Gateway Distance Last Update 150.100.100.6 120 00:00:24 150.100.100.5 120 00:00:01 150.100.24.4 120 00:01:54 150.100.12.1 120 00:00:12 Distance: (default is 120) Apr 17 15:33:49.891: RIP: ignored v2 packet from 150.100.24.4 (invalid authentication) _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
