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Fady.Halaby.2014
Beginner

HSRP Group Limitation

Dears
I am facing the below problem when I create more than 16 HSRP group on the Subinterfaces
each subinterface has its HSRP Group when I passed 16 HSRP group the below Message appear

 

% Warning: Interface MAC address filter only supports 15 additional addresses   
% and 15 HSRP groups are already configured.  The HSRP MAC address may not be   
% added to the MAC address filter if the group becomes active.

Router Model : ISR4331
IOSXE: isr4300-universalk9.16.06.04.SPA.bin

Thanks

8 REPLIES 8
Georg Pauwen
VIP Expert

Hello,

 

you have reached the hardware capability of the interface. 

 

show standby capability

 

shows you the max amount of groups you can configure...

Hi Georg

Kindly note that i have other ISR4331 Routers but I didn't face this problem on them but their IOS version is 15.5
is this related to capability of the interface or Software Version ?
what i should do in this case ?

Thanks

 

as suggested post this output to see what is the limitation here :

 

show standby capability

 



BB


*** Rate All Helpful Responses ***

So are there any solution to increase this number for gi0/0/0 ?

 

4431# show standby capability
ISR4431/K9 * indicates hardware may support HSRP
|
Interface Type H Potential Max Groups per subin
Gi0/0/0 27 ISR4431-X-4x1GE * 25 (0x7FF5EDD013A0, 0x7FF5EDD013A0)
Gi0/0/1 27 ISR4431-X-4x1GE * 25 (0x7FF5EDD013A0, 0x7FF5EDD013A0)
Gi0/0/2 27 ISR4431-X-4x1GE * 25 (0x7FF5EDD013A0, 0x7FF5EDD013A0)
Gi0/0/3 27 ISR4431-X-4x1GE * 25 (0x7FF5EDD013A0, 0x7FF5EDD013A0)
GigabitEthernet0 27 RP management port * 4096 (0x7FF5EA178A20, 0x7FF5EDBC89F0)
LIIN0 27 LIIN -
Vlan1 156 Ethernet SVI * 4096 (0x7FF5EA178A20, 0x7FF5F3FD4AF0)

Can you share the output of 'show standby capability'


R1# show standby capability
7206VXR * indicates hardware may support HSRP
|
Interface Type H Potential Max Groups per subin
FastEthernet0/0 18 DEC21140 * 4096 (0x62E4C55C, 0x62E4C7D4)
FastEthernet1/0 18 i82543 (Livengood) * 4096 (0x62F03238, 0x62F0347C)
FastEthernet1/1 18 i82543 (Livengood) * 4096 (0x62F03238, 0x62F0347C)
FastEthernet2/0 18 i82543 (Livengood) * 4096 (0x62F03238, 0x62F0347C)
FastEthernet2/1 18 i82543 (Livengood) * 4096 (0x62F03238, 0x62F0347C)
Tunnel0 0 Tunnel -
R1#

Please do not hesitate to click the STAR button if you are satisfied with my answer.
Vishnu Vardhan S
Beginner

Try upgrading the device, as its an ISR router that may help

Please do not hesitate to click the STAR button if you are satisfied with my answer.
paul driver
VIP Mentor

Hello

How many hrsp groups do you have configured for each interface,  Seems a bit excessive?



kind regards
Paul

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