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Web Agent Procedure

To display the global IP routing statistics using the Web Agent:

Note: IP routing global statistics only represent traffic processed by the supervisor module software.

  1. In the navigation pane, expand the Routing > IP > Display folders, and then click Global Statistics.
  2. The IP Routing Global Statistics Web page is displayed in the content pane. See Figure�110.

Figure�110:�IP Routing Global Statistics Web Page


  1. Click
  2. See Table�72 to review the definition of each statistic:

Table�72:�IP Routing Global Statistics �
Statistic
Description
IP In Receives
Total number of input datagrams received from interfaces, including those received in error.
IP In Header Errors
Number of input datagrams discarded due to errors in their IP headers, including bad checksums, version number mismatch, other format errors, time-to-live exceeded, errors discovered in processing their IP options.
IP In Address Errors
Number of input datagrams discarded because the IP address in their IP header's destination field was not a valid address to be received at this entity. This count includes invalid addresses (for example, 0.0.0.0) and addresses of unsupported Classes (for example, Class E). For entities that are not IP Gateways and therefore do not forward datagrams, this counter includes datagrams discarded because the destination address was not a local address.
IP Forward Datagrams
Number of input datagrams for which this entity was not their final IP destination, as a result of which an attempt was made to find a route to forward them to that final destination. In entities which do not act as IP Gateways, this counter will include only those packets which were Source-Routed via this entity, and the Source-Route option processing was successful.

Note: This is routed by the supervisor in the software.

IP In Unknown Protocols
Number of input datagrams discarded due to errors in their IP headers. Such errors may include bad checksums, version number mismatches, other format errors, time-to-live exceeded, errors discovered in processing their IP options.
IP In Discards
Number of input IP datagrams for which no problems were encountered to prevent their continued processing, but which were discarded (for example, for lack of buffer space).

Note: This counter does not include any datagrams discarded while awaiting re-assembly.

IP In Delivers
Total number of input datagrams successfully delivered to IP user-protocols (including ICMP).
IP Out Requests
Total number of IP datagrams that local IP user-protocols (including ICMP) supplied to IP in requests for transmission.

Note: This counter does not include any datagrams counted in ipForwDatagrams.

IP Out Discards
Number of output IP datagrams for which no problem was encountered to prevent their transmission to their destination, but were discarded (for example, for lack of buffer space). Note that this counter includes datagrams counted in ipForwDatagrams if any such packets met this (discretionary) discard criterion.
IP Out No Routes
Number of IP datagrams discarded because no route could be found to transmit them to their destination. Note that this counter includes any packets counted in ipForwDatagrams which meet this `no-route' criterion. Note that this includes any Datagrams which a host cannot route because all of its default gateways are down.
IP Reassembly Timeout Period
Maximum number of seconds that received fragments are held while they are awaiting reassembly at this entity.
IP Reassembly Required
Number of IP fragments received that need to be reassembled.
IP Reassembly OKs
Number of IP datagrams successfully reassembled.
IP Reassembly Failures
Number of failures detected by the IP re-assembly algorithm (timeout errors). Note that this is not necessarily a count of discarded IP fragments since some algorithms can lose track of the number of fragments by combining them as they are received.
IP Fragmentation OKs
Number of IP datagrams that have been successfully fragmented at this entity.
IP Fragmentation Failures
Number of IP datagrams that have been discarded because they needed to be fragmented at this entity but could not be.
IP Fragmentation Creates
Number of IP datagram fragments that have been generated as a result of fragmentation at this entity.
IP Routing Discards
Number of routing entries that were chosen to be discarded even though they are valid. One possible reason for discarding such an entry could be to free-up buffer space for other routing entries.
ICMP In Messages
Total number of ICMP messages that the entity received. Note that this counter includes all those counted by icmpInErrors.
ICMP In Errors
Number of ICMP messages that the entity received but determined as having ICMP-specific errors (bad ICMP checksums, bad length).
ICMP In Destination Unreachables
Number of ICMP Destination Unreachable messages received.
ICMP In Time Exceeds
Number of ICMP Time Exceeded messages received.
ICMP In Parameter Problems
Number of ICMP Parameter Problem messages received.
ICMP In Source Quenchs
Number of ICMP Source Quench messages received.
ICMP In Redirects
Number of ICMP Redirect messages received.
ICMP In Echo Requests
Number of ICMP Echo (request) messages received.
ICMP In Echo Replies
Number of ICMP Echo Reply messages received.
ICMP In Timestamp Requests
Number of ICMP Timestamp (request) messages received.
ICMP In Timestamp Replies
Number of ICMP Timestamp Reply messages received.
ICMP In Address Mask Requests
Number of ICMP Address Mask Request messages received.
ICMP In Address Mask Replies
Number of ICMP Address Mask Reply messages received.
ICMP Out Messages
Total number of ICMP messages that this entity attempted to send. Note that this counter includes all those counted by icmpOutErrors.
ICMP Out Errors
Number of ICMP messages that this entity did not send due to problems discovered within ICMP such as a lack of buffers. This value should not include errors discovered outside the ICMP layer such as the inability of IP to route the resultant datagram. In some implementations, there may be no types of error which contribute to this counter's value.
ICMP Out Destination Unreachables
Number of ICMP Destination Unreachable messages sent.
ICMP Out Time Exceeds
Number of ICMP Time Exceeded messages sent.
ICMP Out Parameter Problems
Number of ICMP Parameter Problem messages sent.
ICMP Out Source Quenchs
Number of ICMP Source Quench messages sent.
ICMP Out Redirects
Number of ICMP Redirect messages sent. For a host, this object will always be zero, since hosts do not send redirects.
ICMP Out Echo Requests
Number of ICMP Echo (request) messages sent.
ICMP Out Echo Replies
Number of ICMP Echo Reply messages sent.
ICMP Out Timestamp Requests
Number of ICMP Timestamp (request) messages sent.
ICMP Out Timestamp Replies
Number of ICMP Timestamp Reply messages sent.
ICMP Out Address Mask Requests
Number of ICMP Address Mask Request messages sent.
ICMP Out Address Mask Replies
Number of ICMP Address Mask Reply messages sent.
UDP In Datagrams
Total number of UDP datagrams delivered to User Datagram Protocol (UDP) users.
UDP In No Ports
Total number of received UDP datagrams for which there was no application at the destination port.
UDP In Errors
Number of received UDP datagrams that could not be delivered for reasons other than the lack of an application at the destination port.
UDP Out Datagrams
Total number of UDP datagrams sent from this entity.
IP Multicast Forward Datagrams
Number of input multicast datagrams for which this entity was not their final IP destination, as a result of which an attempt was made to find a route to forward them to that final destination.
IP Multicast In Discard
Number of input IP multicast datagrams for which no problems were encountered to prevent their continued processing, but were discarded (for example, for lack of buffer space).

Note: This counter does not include any datagrams discarded while awaiting re-assembly.

IP Multicast In Receives
Total number of input multicast datagrams received from interfaces, including those received in error.
BOOTP/DHCP In Requests
Number of requests received by the BOOTP/DHCP Relay Agent.
BOOTP/DHCP In Responses
Total number of BOOTP/DHCP response datagrams received by the BOOTP/DHCP Relay Agent.
BOOTP/DHCP In Discards
Number of BOOTP/DHCP requests discarded.Incremented when an IP interface receives a DHCP/BootP request, but the IP interface does not have the BooTP/DHCP Relay Gateway Enabled.
BOOTP/DHCP In Hops Exceeds
Number of BOOTP/DHCP requests not forwarded due to number of hops exceeds.
BOOTP/DHCP Out Requests
Total number of BOOTP/DHCP requests forwarded by the BOOTP/DHCP Relay Agent.
BOOTP/DHCP Out Responses
Total number of BOOTP/DHCP responses forwarded by the BOOTP/DHCP Relay Agent.


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