arp

Address Resolution Protocol mechanism

boot

System startup failures

cdr

Call Detail Recording. Registers the active calls in SLS mode.

cli

CLI

config

Configuration changes

console

Serial modem messages

dhcp-relay

DHCP requests relaying

dhcpc

DHCP client package

dhcps

DHCP server package

dialer

Dialer interface messages

dnsc

DNS client package

fan

Cooling system

filesys

File system problem (flash)

ids

IDS events, specifically a SYN attack heuristic employed by the SYN cookies feature

iphc

IP header compression

ipsec

VPN IPSEC package

isakmp

VPN IKE package

ospf

Open Shortest Path First protocol

policy

Policy package

ppp

PPP protocol

pppoe

PPP over Ethernet

proxy-arp

Proxy ARP

qos

QoS messages

router

Core routing system failures

rtp-stat

RTP MIB statistics

saa

RTR-probes messages

security

Secure logging (authentication failure)

snmp

SNMP agent

stp

Spanning tree package

supply

Power supply system

switchfabric

Switch fabric failures

system

Operating system failures

tftp

Internal TFTP server

threshold

RMON alarms

tracker

Object tracker messages

usb

USB devices messages

usb-modem

USB modem messages

vj-comp

Van Jacobson header compression messages

vlan

VLAN package

voice

Voice failures

wan

WAN plugged-in expansion