# Monitoring IPv4 and IPv6 Interfaces for Service Manager

#### Purpose

Display status information about the IP and IPv6 interfaces.

#### Action

To display information about a specific IP interface.

    host1#show ip interface gigabitEthernet 1/1.200
    GigabitEthernet1/1 line protocol Ethernet is up, ip is not present
      Network Protocols: IP
      Multipath mode = hashed
      Auto Configure = disabled
      Auto Detect = disabled
      Inactivity Timer = disabled
      Use Framed Routes = disabled
      ARP spoof checking = disabled
      Warm-restart initial-sequence-preference: Operational = 0 Administrative = 0

      In Received Packets 0, Bytes 0
        Unicast Packets 0, Bytes 0
        Multicast Packets 0, Bytes 0
      In Policed Packets 0, Bytes 0
      In Error Packets 0
      In Invalid Source Address Packets 0
      In Discarded Packets 0
      Out Forwarded Packets 0, Bytes 0
        Unicast Packets 0, Bytes 0
        Multicast Routed Packets 0, Bytes 0
      Out Scheduler Dropped Packets 0, Bytes 0
      Out Policed Packets 0, Bytes 0
      Out Discarded Packets 0

      queue 0: traffic class best-effort, bound to ip GigabitEthernet1/1
        Queue length 0 bytes
        Forwarded packets 0, bytes 0
        Dropped committed packets 0, bytes 0
        Dropped conformed packets 0, bytes 0
        Dropped exceeded packets 0, bytes 0

    Http Redirect Url: http://www.juniper.net

To display information about a specific IPv6 interface.

    host1#show ipv6 interface FastEthernet 9/0.6
    FastEthernet9/0.6 line protocol VlanSub is up, ipv6 is up
      Description: IPv6 interface in Virtual Router Hop6
      Network Protocols: IPv6
      Link local address: fe80::90:1a00:740:31cd
      Internet address: 6:1:1::1/64
      Operational MTU 1500 Administrative MTU 0
      Operational speed 100000000 Administrative speed 0
      Creation type Static
      ND reachable time is 3600000 milliseconds
      ND duplicate address detection attempts is 100
      ND neighbor solicitation retransmission interval is 1000 milliseconds
      ND proxy is enabled
    ND RA source link layer is advertised
      ND RA interval is 200 seconds, lifetime is 1800 seconds
      ND RA managed flag is disabled, other config flag is disabled
      ND RA advertising prefixes configured on interface

      In Received Packets 0, Bytes 0
        Unicast Packets 0, Bytes 0
        Multicast Packets 0, Bytes 0
      In Total Dropped Packets 0, Bytes 0
        In Policed Packets 0
        In Invalid Source Address Packets 0
        In Error Packets 0
        In Discarded Packets 0

      Out Forwarded Packets 8, Bytes 768
        Unicast Packets 8, Bytes 768
        Multicast Routed Packets 0, Bytes 0
      Out Total Dropped Packets 5, Bytes 0
        Out Scheduler Dropped Packets 0, Bytes 0
        Out Policed Packets 0
        Out Discarded Packets 5

      queue 0: traffic class best-effort, bound to ipv6 FastEthernet9/0.6
        Queue length 0 bytes
        Forwarded packets 0, bytes 0
        Dropped committed packets 0, bytes 0
        Dropped conformed packets 0, bytes 0
        Dropped exceeded packets 0, bytes 0

    IPv6 policy input ipv6InPol25
        rate-limit-profile Rlp2Mb classifier-group clgA entry 1
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
        rate-limit-profile Rlp8Mb
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
      IPv6 policy output ipv6PolOut2
        rate-limit-profile RlpOutA classifier-group clgB entry 1
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
        rate-limit-profile RlpOutB
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
      IPv6 policy local-input ipv6PolLocIn5
        rate-limit-profile Rlp1Mb classifier-group clgC entry 1
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
        rate-limit-profile Rlp5Mb
          Committed: 0 packets, 0 bytes
          Conformed: 0 packets, 0 bytes
          Exceeded:  0 packets, 0 bytes
      queue 0: traffic class best-effort, bound to ipv6 FastEthernet9/0.6
        Queue length 0 bytes
        Forwarded packets 0, bytes 0
        Dropped committed packets 0, bytes 0
        Dropped conformed packets 0, bytes 0
        Dropped exceeded packets 0, bytes 0
    Http Redirect Url: http://www.juniper.net

#### Meaning

Table 159 lists the show ip interface command output fields.

Table 159: show ip interface Output Fields

Field Name | Field Description
--- | ---
interface | Interface type and specifier.
interface status | Status of the interface.
HTTP Redirect Url | Url to which a subscriber’s initial web browser session is redirected
line protocol | Status of the line protocol.
Description | Text description or alias if configured for the interface
Link up/down trap | Status of SNMP link up/down traps on the interface
Internet Address | IP address of the interface
IP Statistics Rcvd
local destination | Frames with this router as destination
hdr errors | Number of packets containing header errors
addr errors | Number of packets containing addressing errors
unkn proto | Number of packets received containing unknown protocols
discards | Number of discarded packets
IP Statistics Frags
reasm ok | Number of reassembled packets
reasm req | Number of requests for reassembly
reasm fails | Number of reassembly failures
frag ok | Number of packets fragmented successfully
frag req | Number of frames requiring fragmentation
frag fails | Number of packets unsuccessfully fragmented
IP Statistics Sent
generated | Number of packets generated
no routes | Number of packets that could not be routed
discards | Number of packets that could not be routed and were discarded
ICMP Statistics Rcvd
errors | Error packets received
dst unreach | Packets received with destination unreachable
time excd | Packets sent with time-to-live exceeded
param probs | Packets sent with parameter errors
src quench | Source quench packets sent
redirect | Send packets redirect
timestamp req | Requests for a timestamp
timestamp rpy | Replies to timestamp requests
addr mask req | Address mask requests
addr mask rpy | Address mask replies
ICMP Statistics Sent
errors | Error packets received
dst unreach | Packets received with destination unreachable
time excd | Packets sent with time-to-live exceeded
param probs | Packets sent with parameter errors
src quench | Source quench packets sent
redirect | Send packets redirect
timestamp req | Requests for a timestamp
timestamp rpy | Replies to timestamp requests
addr mask req | Address mask requests
addr mask rpy | Address mask replies
ARP spoof checking | Status of the check for spoofed ARP packets received on an IP interface. Possible states: enabled or disabled. Note: This field is not displayed when you use the detail keyword.
In Received Packets, Bytes | Total number of packets and bytes received on the IP interface.
Unicast Packets, Bytes | Unicast packets and bytes received on the IP interface; link-local received multi-cast packets (non-multicast-routed frames) are counted as unicast packets.
Multicast Packets, Bytes | Multicast packets and bytes received on the IP interface which are then multicast-routed are counted as multicast packets.
In Forwarded Packets, Bytes | Packets and bytes forwarded into an output IP interface
In Total Dropped Packets, Bytes | Total number of packets and bytes that were dropped on the interface
In Policed Packets | Packets discarded on a receive IP interface for any of the following reasons: exceeding the token bucket limit, exceeding the rate limit, a drop action in a policy, discarded MAC validation packets, a destination address lookup failure or when the destination address is an IP interface that has a route configured to the null interface.
In Invalid Source Address Packets | Packets discarded on a receive IP interface because of invalid IP source address
In Error Packets | Packets discarded on a receive IP interface because of IP header errors
In Discarded Packets | Packets discarded on the ingress interface because of a configuration problem rather than a problem with the packet itself
In Fabric Dropped Packets | Packets discarded on a receive IP interface because eof internal fabric congestion
Out Forwarded Packets, Bytes | Total number of packets and bytes forwarded out of the IP interface
Unicast Packets, Bytes | Unicast packets and bytes forwarded out of the IP interface
Multicast Routed Packets, Bytes | Multicast packets and bytes forwarded out of the IP interface
Out Requested Packets, Bytes | Packets and bytes requested to be forwarded out an IP interface
Out Total Dropped Packets, Bytes | Total number of packets and bytes that were discarded on the egress interface
Out Scheduler Drops Committed Packets, Bytes | Packets and bytes dropped by the scheduler even though they had a committed traffic contract
Out Scheduler Drops Conformed Packets, Bytes | Packets and bytes dropped by the scheduler even though they conformed to the traffic contract
Out Scheduler Drops Exceeded Packets, Bytes | Packets and bytes dropped by the scheduler because they exceeded the contract
Out Policed Packets | Packets discarded on the egress interface because of rate limiting
Out Discarded Packets | Packets discarded on the egress interface because of a configuration problem rather than a problem with the packet itself
Out Fabric Dropped Packets | Packets dropped because of internal fabric congestion

Table 160 lists the show ipv6 interface command output fields.

Table 160: show ipv6 interface Output Fields

Field Name | Field Description
--- | ---
Description | Text description or alias if configured for the interface
HTTP Redirect Url | Url to which a subscriber’s initial web browser session is redirected
Internet Address | IP address of the interface
Link local address | Local IPv6 address of this interface
Network Protocols | Network protocols configured on this interface
IPv6 Statistics Rcvd
local destination | Frames with this router as destination
hdr errors | Number of packets containing header errors
addr errors | Number of packets containing addressing errors
unkn proto | Number of packets received containing unknown protocols
discards | Number of discarded packets
IP Statistics Sent
generated | Number of packets generated
no routes | Number of packets that could not be routed
discards | Number of packets that could not be routed and were discarded
ICMPv6 Statistics Rcvd
total | Total number of received packets
errors | Error packets received
destination unreach | Packets received with destination unreachable
admin unreach | Packets received because the destination was administratively unreachable (for example, the packet encountered a firewall filter)
param probs | Packets sent with parameter errors
time excd | Packets sent with time-to-live exceeded
pkt too big | Number of packet-too-big messages received that indicate a packet was too large to forward because of the allowed MTU size
redirects | Received packet redirects
echo requests | Echo request (ping) packets
echo replies | Echo replies received
rtr solicits | Number of received router solicitations
rtr advertisements | Number of received router advertisements
neighbor solicits | Number of received neighbor solicitations
neighbor advertisements | Number of received neighbor advertisements
Group membership (queries, responses, reductions) | Number of queries, responses, and reduction requests received from within a group to which the interface is assigned
ICMPv6 Statistics Sent
total | Total number of received packets
errors | Error packets received
destination unreach | Packets received with destination unreachable
admin unreach | Packets received because the destination was administratively unreachable (for example, the packet encountered a firewall filter)
param probs | Packets sent with parameter errors
time excd | Packets sent with time-to-live exceeded
pkt too big | Number of packet-too-big messages received that indicate a packet was too large to forward because of the allowed MTU size
redirects | Received packet redirects
echo requests | Echo request (ping) packets
echo replies | Echo replies received
rtr solicits | Number of received router solicitations
rtr advertisements | Number of received router advertisements
neighbor solicits | Number of received neighbor solicitations
neighbor advertisements | Number of received neighbor advertisements
Group membership (queries, responses, reductions) | Number of queries, responses, and reduction requests received from within a group to which the interface is assigned
Operational MTU | Value of the MTU
Administrative MTU | Value of the MTU if it has been administratively overridden using the configuration
Operational speed | Speed of the interface
Administrative speed | Value of the speed if it has been administratively overridden using the configuration
Creation type | Method by which the interface was created (static or dynamic)
ND reachable time | Amount of time (in milliseconds) that the neighbor is expected to remain reachable
ND duplicate address detection attempts | Number of times that the router attempts to determine a duplicate address
ND neighbor solicitation retransmission interval | Interval in which the router retransmits neighbor solicitations
ND proxy | Indicates whether the router will reply to solicitations on behalf of a known neighbor
ND RA source link layer | Indicates whether the RA includes the link layer
ND RA interval | Interval (in seconds) of the neighbor discovery router advertisement
ND RA lifetime | Lifetime (in seconds) of the neighbor discovery router advertisement
ND RA managed flag | State of the neighbor discovery router advertisement managed flag
ND RA other config flag | State of the neighbor discovery router advertisement other config flag
ND RA advertising prefixes | Configured advertisement prefixes for neighbor discovery router advertisement
In Received Packets, Bytes | Total number of packets and bytes received on the IP interface.
Unicast Packets, Bytes | Unicast packets and bytes received on the IP interface; link-local received multi-cast packets (non-multicast-routed frames) are counted as unicast packets.
Multicast Packets, Bytes | Multicast packets and bytes received on the IP interface which are then multicast-routed are counted as multicast packets.
In Total Dropped Packets, Bytes | Total number of packets and bytes that were dropped on the interface
In Policed Packets | Packets discarded on a receive IP interface for any of the following reasons: exceeding the token bucket limit, exceeding the rate limit, a drop action in a policy, discarded MAC validation packets, a destination address lookup failure or when the destination address is an IP interface that has a route configured to the null interface.
In Invalid Source Address Packets | Packets discarded on a receive IP interface because of invalid IP source address
In Error Packets | Packets discarded on a receive IP interface because of IP header errors
In Discarded Packets | Packets discarded on the ingress interface because of a configuration problem rather than a problem with the packet itself
Out Forwarded Packets, Bytes | Total number of packets and bytes forwarded out of the IP interface
Unicast Packets, Bytes | Unicast packets and bytes forwarded out of the IP interface
Multicast Routed Packets, Bytes | Multicast packets and bytes forwarded out of the IP interface
Out Total Dropped Packets, Bytes | Total number of packets and bytes that were discarded on the egress interface
Out Scheduler Dropped Packets, Bytes | Number of outbound packets and bytes dropped by the scheduler
Out Policed Packets | Packets discarded on the egress interface because of rate limiting
Out Discarded Packets | Packets discarded on the egress interface because of a configuration problem rather than a problem with the packet itself
IPv6 policy | Type (input, output, local-input) and name of policy
rate-limit-profile | Name of profile
classifier-group entry | Entry index
Committed | Number of packets and bytes conforming to the committed access rate
Conformed | Number of packets and bytes that exceed the committed access rate but conform to the peak access rate
Exceeded | Number of packets and bytes exceeding the peak access rate
queue, traffic class, bound to ipv6 | Queue and traffic class bound to the specified IPv6 interface
Queue length | Number of bytes in queue
Dropped committed packets, bytes | Total number of committed packets and bytes dropped by this interface
Dropped conformed packets, bytes | Total number of conformed packets and bytes dropped by this interface
Dropped exceeded packets, bytes | Total number of exceeded packets and bytes dropped by this interface

#### Related Documentation

- show ip interface
- show ipv6 interface