xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch CLI Manual
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DES-3800:admin#traceroute 10.48.74.121 probe 3
Command: traceroute 10.48.74.121 probe 3
1 <10ms 10.254.254.251
2 <10ms 10.55.25.35
3 <10ms 10.22.35.1
DES-3800:admin#
config pkt_to_cpu zero_ttl_ip
Purpose
The command controls whether to capture IP packet with zero TTL
to CPU.
Syntax
config pkt_to_cpu zero_ttl_ip state [enable | disable]
Description
The command controls whether to capture IP packets with zero TTL
to CPU. In the DES-3800 series the default setting for this feature is
disable
. If you disable this feature, the device will not respond to
traceroute packets.
Parameters
state [enable | disable]-
Enables or disables forwarding the packet
to CPU.
Restrictions
Only Administrator-level users can issue this command.
Example usage:
To enable the forwarding packet to the CPU:
DES-3800:admin# config pkt_to_cpu zero_ttl_ip state enable
Command: config pkt_to_cpu zero_ttl_ip state enable
Success.
DES-3800:admin#
show pkt_to_cpu
Purpose
The command shows current configure that capture IP packet with
zero TTL to CPU.
Syntax
show pkt_to_cpu
Description
The command displays the packet to CPU control state.
Parameters
None.
Restrictions
None.
Example usage:
To display the Zero TTL packet to CPU control state:
DES-3800:admin#show pkt_to_cpu
Command: show pkt_to_cpu
Zero TTL IP: Enabled