Ap1g2-k9w7-tar Today

| Problem | Likely cause | Fix | |---------|--------------|-----| | tar: bad magic | Corrupted download | Re-download from Cisco, check MD5 | | TFTP timeout | Firewall or wrong server IP | Use wireshark to see TFTP port 69 | | AP reboots repeatedly | Wrong image for HW rev | Check AP model: 1700/2700 use ap1g2, 2800/3800 use ap3g2 | | flash is full | Too many old images | ap: flash_init; delete flash:/old-image |

✅ You have a valid Cisco service contract for that AP model
✅ You downloaded the file from Cisco Software Download Center (not a third party)
✅ The AP is not EOL (End of Life) without security support
✅ You have console access (9600 baud, 8N1, no flow control)

Guide for Ap1g2-k9w7-tar Update

After boot into autonomous mode:

show version | include Image
show ip interface brief
show run | include hostname

| From | To | Primary use | |------|----|--------------| | Lightweight (controller-based) | Autonomous (standalone) | Small networks / lab / no WLC | | Autonomous | Lightweight | Rejoining a WLC | Ap1g2-k9w7-tar