Dell C9010 Modular Chassis Switch EMC Networking Command-Line Reference Guide - Page 1724
tunnel hop-limit, tunnel keepalive
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Defaults 0 (Mapped original packet flow-label value to tunnel header flow-label value) Command Modes INTERFACE TUNNEL (conf-if-tu) Command History Version 9.9(0.0) Description Introduced on the C9010. 9.7(0.0) Introduced on the S6000-ON. 9.3(0.0) Introduced on the S6000, S4810, S4820T, Z9000. Usage Information This command is only valid for tunnel interfaces with an IPv6 outer header. tunnel hop-limit Configure the method to set the IPv4 time-to-live or the IPv6 hop limit value in the outer tunnel header. C9000 Series Syntax Parameters tunnel hop-limit value To restore the default tunnel hop-limit, use the no tunnel hop-limit command. value Enter the hop limit (ipv6) or time-to-live (ipv4) value to include in the tunnel header. The range is from 0 to 255. The default is 64. Defaults 64 (Time-to-live for IPv4 outer tunnel header or hop limit for IPv6 outer tunnel header) Command Modes INTERFACE TUNNEL (conf-if-tu) Command History Version 9.9(0.0) Description Introduced on the C9010. 9.7(0.0) Introduced on the S6000-ON. 9.3(0.0) Introduced on the S6000, S4810, S4820T, Z9000. Usage Information A value of 0 copies the inner packet hop limit (ipv6) or time-to-live (ipv4) in the encapsulated packet to the tunnel header hop limit (ipv6) or time-to-live (ipv4) value. tunnel keepalive Configure the tunnel keepalive target, interval and attempts. C9000 Series Syntax Parameters tunnel keepalive {ip-address | ipv6-address}[interval {seconds}] [attempts {count | unlimited}] To disable the tunnel keepalive probes use the no tunnel keepalive command. ip-address ipv6 address interval seconds Enter the IPv4 or IPv6 address of the peer to which the keepalive probes will be sent. Enter the keyword interval then the interval time, in seconds, after which the restart process to keepalive probe packets. 1724 Tunneling Commands
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