SNMP Update Interval Test

1
SNMP Update Interval Test
2
?? ??

• ?? ??
• Core 1 2 Switches, Internet Routers (Kornet
  Boranet), Dorm Switch, ??????? (PIRL) Switch
• ?? ??? ?? interface? ?? inOctets ?? SNMP GET
  request
• Polling? 1??? ?? (?? interface? ?? polling? ?? ?
  1?? ????? ???? 1??? ? ? ???? ???. ?? 1.2 1.3?)
• ?? ??? ??? 2? ?? ??? ???? ???? ??
• Interface?? inOctets ?? ???? ???? ? ???? ??? ??
  ??. ??? ? ???? 2?? interface? ???? ???? ??
• ???? ?? ?? ?? ???? ??
• ???? Y?? ???? ?? mib? ifIndex ?
• SNMP Request packet drop test
• ?? drop? ???? counter ??? 0?? ??? coding ???

3
Core 1 Switch (ifNumber 113)
ifInOctets counter? update ??? 4-5?? ???.
4
Core 2 Switch (ifNumber 102)
ifInOctets counter? update ??? 4-5?? ???.
5
KORNET Router (ifNumber 15)
ifInOctets counter? update? ?? ???.
6
BORANET Router (ifNumber 7)
ifInOctets counter? update? ?? ???.
7
Dorm Switch (ifNumber 216)
ifInOctets counter? update ??? 8-9?? ???.
8
PIRL Switch (ifNumber 18)
ifInOctets counter? update ??? interface?? ??? ??.
9
?? ??

• ??? ????? Time Granularity
• Core 1 5??? ? ?
• Core 2 6??? ? ?
• KORNET 1?
• BORANET 1?
• Dorm 9??? ? ?
• PIRL 5??? ? ? (interface?? ??? ??)
• SNMP Request packet drop test ??
• ??? counter ??? 0?? ???? ????? request drop? ???.
• SNMP update ??? ??? ??? ??
• ?? ?? ???? Interface ? ???? ??? ??? ???.

10
SNMP Response Time Test
11
?? ??

• ?? ??
• Core 1 2 Switches, Internet Routers (Kornet
  Boranet), Dorm Switch, ??????? (PIRL) Switch
• ?? ??? ?? interface? ?? SNMP GET request? ???
  inOctets ?? ?? ??? ??? ??? ????? ? ??? ???? ????
  ???.
• Polling? 1??? ?? (?? interface? ?? polling? ?? ?
  1?? ????? ???? 1??? ? ? ???? ???. ?? 1.2 1.3?)
• ?? ??? ??? 2? ?? ??? ???? ???? ??
• ???? ?? ???? ???? ???
• ??, 100? ??? ???? ???? ???.
• ???? ??? ???? ???? ???? ??? 10? ??? ???? ????
  ???, ? ?? x?? ??? 10?? ?? ??? ???.

12
Core 1 Switch (ifNumber 113)
?? ????? ??? ??? 700 800 usec? ?? ??? ? ??? 10
usec ??? ???? ???? ???.
13
Core 2 Switch (ifNumber 102)
?? ????? ??? ??? 600 800 usec? ?? ??? ? ??? 10
usec ??? ???? ???? ???.
14
KORNET Router (ifNumber 15)
?? ????? ??? ??? 800 1300 usec? ?? ??? ? ??? 10
usec ??? ???? ???? ???.
15
BORANET Router (ifNumber 7)
?? ????? ??? ??? 600 1100 usec? ?? ??? ? ??? 10
usec ??? ???? ???? ???.
16
Dorm Switch (ifNumber 216)
?? ????? ??? ??? 500 600 usec? ?? ??? ? ??? 10
usec ??? ???? ???? ???.
17
PIRL Switch (ifNumber 18)
?? ????? ??? ??? 1500,1800 usec? ?? ??? 1500
1800 ??? 10 usec ??? ???? ???? ???.
18
?? ??

• ?? Interface? polling??? ??? ??
• Core 1 ?? 8090 ms
• Core 2 ?? 6080 ms
• KORNET ?? 1220 ms
• BORANET ?? 58 ms
• Dorm 110130 ms
• PIRL 2733 ms
• SNMPv1? ??? ?? interface? ?? polling? ??? ? ? ??
• SNMPv2? GetBulk ??
• POSTECH?? ?? building switch? v2? ?????, ? ??? ??
  switch?? v2? ???? ??