B593s22 Multicast Upgrade Toolexe

: The computer is assigned a static IP address, and the B593s-22 is connected directly via an Ethernet cable.

| Error Code | Meaning | Fix | |------------|---------|-----| | MCAST_E01 | No IGMP join response | Check ip igmp snooping querier on L3 switch | | MCAST_E34 | CRC mismatch after 3 retries | Bad RAM on target – replace B593s22 | | MCAST_E89 | Flash write timeout | Some devices have bad blocks; run nand scrub via serial | | MCAST_E112 | Signature invalid | Re-sign firmware with Huawei private key (or patch bootloader) | b593s22 multicast upgrade toolexe

Verify your IP settings. If the router's default is 192.168.8.1, try setting your PC to 192.168.8.100. Try a different LAN port on the router. : The computer is assigned a static IP