ISIS/2/L2_REDIST_EXCEED_LIMIT:OID [oid] The number of
level-2 imported routes has exceeded the maximum limit.(sysInstance=[integer],
sysProtocol=[integer], sysMTIndex=[integer], sysMaxLimit=[integer],
sysTotalRedist=[integer])
ISIS Level-2发布的引入路由已超出配置的最大限制。