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High memory usage on Cisco 4321

I have the cisco ISR 4321/K9 router.

the software version on it is Version 15.5(3)S4b. i have this poblem too. what colud be the issue on it ?

 

Here i attached the show version details and memory details.

 

 

show redundancy states 
my state = 13 -ACTIVE 
peer state = 1 -DISABLED 
Mode = Simplex
Unit = Primary
Unit ID = 48

Redundancy Mode (Operational) = Non-redundant
Redundancy Mode (Configured) = Non-redundant
Redundancy State = Non Redundant
Maintenance Mode = Disabled
Manual Swact = disabled (system is simplex (no peer unit))
Communications = Down Reason: Simplex mode

client count = 81
client_notification_TMR = 30000 milliseconds
RF debug mask = 0x0

 

 

 

show memory 
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
Processor 7F82E8166010 1688360784 276622532 1411738252 639707944 1048575908
lsmpi_io 7F82E79631A8 6295128 6294304 824 824 412
Dynamic heap limit(MB) 1000 Use(MB) 0

 

 

show platform software status control-processor brief 
Load Average
Slot Status 1-Min 5-Min 15-Min
RP0 Healthy 1.01 1.03 1.00

Memory (kB)
Slot Status Total Used (Pct) Free (Pct) Committed (Pct)
RP0 Healthy 3950540 3918376 (99%) 32164 ( 1%) 2512796 (64%)

CPU Utilization
Slot CPU User System Nice Idle IRQ SIRQ IOwait
RP0 0 3.30 8.40 0.00 87.68 0.60 0.00 0.00
1 4.30 4.80 0.00 90.80 0.10 0.00 0.00
2 1.10 0.20 0.00 98.70 0.00 0.00 0.00
3 24.40 75.60 0.00 0.00 0.00 0.00 0.00

 

what could be the reason for this. there is a software bug in version 15.3 in my knowledge but that fixed in 15.5 version. ???

 

1 REPLY 1

I am having the exact same issue, with almost the exact same stats.

We are running the SRST, VPN with DSL attached, one POE port to a single Cisco phone and a small number of clients on the Switch module.

 

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