HP 5800 Series User Manual

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destination-ip-addr-header: Specifies the destination address in the IP header of the MPLS echo request
messages. It can be any address on segment 127.0.0.0/8—any local loopback address.
Examples
# Locate an error along the LSP to 3.3.3.9.
<Sysname> tracert lsp ipv4 3.3.3.9 32
LSP Trace Route FEC: LDP IPV4 PREFIX 3.3.3.9/32 , press CTRL_C to break.
TTL Replier Time Type Downstream
0 Ingress 10.4.5.1/[1025]
1 10.4.5.1 1 Transit 100.3.4.1/[1024]
2 100.1.4.2 63 Transit 100.1.2.1/[3]
3 100.1.2.1 129 Egress
ttl expiration enable
Description
Use the ttl expiration enable command to enable the device to send back an ICMP TTL exceeded
message when it receives an MPLS TTL expired packet.
Use the undo ttl expiration enable command to disable sending back of ICMP TTL exceeded messages
for MPLS TTL expired messages.
By default, this function is enabled.
Related commands: ttl expiration pop.
Syntax
ttl expiration enable
undo ttl expiration enable
View
MPLS view
Default level
2: System level
Parameters
None
Examples
# Disable the system from sending back an ICMP TTL exceeded message when it receives an MPLS TTL
expired message.
<Sysname> system-view
[Sysname] mpls
[Sysname-mpls] undo ttl expiration enable
ttl expiration pop
Description
Use the ttl expiration pop command to configure the system to use IP routes to send back the ICMP TTL
exceeded messages for TTL-expired MPLS packets.

HP 5800 Series Specifications

General

MAC Address Table Size	32, 000 entries
Uplink Ports	2 or 4 SFP+ 10GbE ports
Routing Protocol	BGP, IS-IS
Input Voltage	100-240 VAC
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 95% (noncondensing)
PoE	Optional
Power Supply	Redundant power supply (optional)