to any IPv4 or IPv6 (depending on the tunnel mode) address configured on theswitch that is operationally Up.tunnel keepaliveConfigure the tunnel keepalive target, interval and attempts.S4810Syntax tunnel keepalive {ip-address | ipv6-address}[interval{seconds}] [attempts {count | unlimited}]To disable the tunnel keepalive probes use the no tunnel keepalive command.Parameters ip-address ipv6addressEnter the IPv4 or IPv6 address of the peer to whichthe keepalive probes will be sent.intervalsecondsEnter the keyword interval then the interval time, inseconds, after which the restart process to keepalive probepackets.The range is from 5 to 255. The default is 5.count (OPTIONAL) Enter the keyword count to count packetsprocessed by the filter.The range is from 3 to 10. The default is 3.unlimited Enter the keyword unlimited to specify the unlimitednumber of keepalive probe packets.Defaults Tunnel keepalive is disabled.CommandModesINTERFACE TUNNELCommandHistory Version 9.4(0.0) Introduced on the S4810, S4820T, S6000 and Z9000.UsageInformationEnabling tunnel keepalive causes ICMP echo packets to be sent to the keepalivetarget. The ICMP echo will be sourced from the tunnel interface logical IPv4 orIPv6 address and will be tunnel encapsulated. The response will be acceptedwhether it returns tunnel encapsulated or not.When configuring tunnel keepalive at both end points of a tunnel interface it isrecommended to set the tunnel keepalive target to the logical IPv4 or IPv6 addressTunneling 1669
