traceroute6
–
IPv6 Syntax
The
traceroute6
command has the following syntax:
traceroute6 { host_name | host_ipv6_address } [ count packets ] [ maxttl max_ttl ] [ port port_number
] [ size octet_count ] [ src { src_host_name | src_host_ipv6_address } ] [ timeout seconds ] [ vrf
vrf_nam ]
For a complete description of the above command, see the
Exec Mode Commands
chapter of the
Command
Line Interface Reference
.
The following displays a sample output.
traceroute6 to 2001:4A2B::1f3F (2001:4A2B::1f3F), 30 hops max, 40 byte packets
1
2001:4A2B::1f3F (2001:4A2B::1f3F)
0.446 ms
0.235 ms
0.178 ms
Viewing IP Routes
The system provides a mechanism for viewing route information to a specific node or for an entire context.
This information can be used to verify network connectivity and to ensure the efficiency of the network
connection. The command has the following syntax:
show ip route [ route_ip_address ]
show ipv6 route [ route_ipv6_address ]
For a complete description of the above command, see the
Exec Mode show Commands
chapter of the
Command
Line Interface Reference
.
If no keywords are specified, all IP routes within the context's routing table are displayed.
The following displays a sample of this command's output showing a context IPv4 routing table.
"*" indicates the Best or Used route.
Destination
Nexthop
Protocol Prec Cost Interface
*0.0.0.0/0
10.0.4.1
static
0
0
SPIO1
*10.0.4.0/24
0.0.0.0
kernel
0
0
SPIO1
*10.0.4.0/32
0.0.0.0
kernel
0
0
SPIO1
*10.0.4.3/32
0.0.0.0
kernel
0
0
SPIO1
*10.0.4.255/32
0.0.0.0
kernel
0
0
SPIO1
Viewing the Address Resolution Protocol Table
The system provides a mechanism for viewing Address Resolution Protocol (ARP) table information to a
specific node or for an entire context. This information can be used to verify that when the system sends an
ARP packet, it receives valid responses from other network nodes. The command has the following syntax:
show ip arp [ arp_ip_address ]
arp_ip_address
specifies a specific network node for which to display ARP information. The address can be
entered in IPv4 dotted-decimal or IPv6 colon-separated-hexadecimal notation. If this keyword is not specified,
all entries within the context's ARP table are displayed.
Restarting the VPN Manager removes all interfaces from the kernel which in turn removes all ARP entries.
However, the NPU still retains all of the ARP entries so that there is no traffic disruption. From a user
point of view,
show ip arp
is broken since this command gathers information from the kernel and not the
NPU.
Important
ASR 5000 System Administration Guide, StarOS Release 21.1
223
Troubleshooting
Viewing IP Routes
Summary of Contents for ASR 5000
Page 26: ...ASR 5000 System Administration Guide StarOS Release 21 1 xxvi Contents ...
Page 316: ...ASR 5000 System Administration Guide StarOS Release 21 1 288 VLANs VLAN Related CLI Commands ...
Page 400: ...ASR 5000 System Administration Guide StarOS Release 21 1 372 Engineering Rules ECMP Groups ...