Hi Sanjib,There is no form of 'loop avoidance' with OSPF like the distance/patch vector protocols (EIGRP/BGP).OSPF's algorithm (and all link state routing protocols) calculates all the links of all the routers in the 'Area' similar to a 'tree' fashio...
Hi Jaimes,Have you specified the RADIUS server in the configuration?radius-server host {hostname | ip-address} auth-port port-number key stringYou will then need to tell the switch to use RADIUS for 802.1x:aaa authentication dot1x default group radiu...