HP Comware 5 Debug Manual Vol 2

Table 77 Output from the debugging hdlc keepalive command
Field
Description
interface-type interface-number The interface through which packets were received or
transmitted.
I Inbound packets.
O Outbound packets.
Length: length Packet length.
Address: address HDLC address of a packet.
Protocol KEEPALIVE The type of the packet is keepalive.
Keepalive-type The specific type of a keepalive packet.
NotifyingRemoteSeq The sequence number of the current protocol packet of
the receiver.
ReflectingLocalSeq The sequence number of the current protocol packet of
the sender.
myseq Protocol packet number of the sender.
mineseen Protocol packet number of the sender maintained by
the receiver.
yourseen Protocol packet number of the receiver maintained by
the sender.
Keepalive-param The parameters of the keepalive packet.
Examples
# Enable all types of HDLC debugging on Router B. If HDLC is enabled on interfaces of Router A and
Router B, output similar to the following example is generated when you ping Router B from Router A.
<RouterB> debugging hdlc all
*0.3793603 RouterB HDLC/7/debug2:Serial2/0 I Length 22, Address 0x8F, Protocol
KEEPALIVE
*0.3793603 RouterB HDLC/7/debug2:Serial2/0 I Length 18, KEEPALIVE_REQ,
NotifyingRemoteSeq 274, ReflectingLocalSeq 274
*0.3795882 RouterB HDLC/7/debug2:Serial2/0 O Length 18, KEEPALIVE_REQ,
myseq 274, mineseen 274, yourseen 274, line UP
*0.3795882 RouterB HDLC/7/debug2:Serial2/0 O Length 22, Address 0x8F, Protocol
KEEPALIVE
// The output is about debugging for keepalive packets.
*0.3805727 RouterB HDLC/7/debug2:Serial2/0 I Length 88, Address 0x0F, Protocol
IP
// The local end received a ping packet from the remote end.
*0.3805728 RouterB HDLC/7/debug2:Serial2/0 O Length 88, Address 0x0F, Protocol
IP
// A response ping packet was sent to the remote end through Serial 2/0.
*0.3805881 RouterB HDLC/7/debug2:Serial2/0 Keepalive timer expired! ID: 201
// A keepalive-timer-expired event occurred on Serial 2/0.
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