Service Manual

tunnel hop-limit
Configure the method to set the IPv4 time-to-live or the IPv6 hop limit value in the outer tunnel header.
Syntax
tunnel hop-limit value
To restore the default tunnel hop-limit, use the no tunnel hop-limit
command.
Parameters
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 Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.5(0.1) Introduced on the Z9500.
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.
Syntax
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 ipv6
address
Enter the IPv4 or IPv6 address of the peer to which
the keepalive probes will be sent.
interval seconds
Enter the keyword interval then the interval time, in
seconds, after which the restart process to keepalive probe
packets.
Tunneling
1781