WE ARE ABLE TO PING sw3 AND SW4 FROM PRIMARY BUT NOT ABLE TO PING FROM SECONDARY IP
PRIMARY SWITCH( HSARP ACTIVE) AND SECONDARY SWITCH ( HSRP STANDBY )
PROTOCOL USED EIGRP AND ALL THE SABNET ARE ADVERTISED PROPERLY.
R1,AND R2 WORKING AS ACTIVE ,ACTIVE PASSION.
R1,AND R2 POINTED DEFAULT ROUTE 2 BOTH CORE SWITCHES.
STILL REACH ABILITY ISSUE IS THERE FOR VLAN 3 AND VLAN 1 MANAGMENT.
KINDLY SUGGEST FURTHER.