C1900-universalk9-mz.spa.158-3.m7.bin Portable Now

| Feature | Limit on 1900 series with this IOS | | :--- | :--- | | Concurrent VPN tunnels (IPsec) | ~50-100 (depending on CPU) | | Routing table size (IPv4) | ~15,000 routes (max) | | Firewall throughput | ~150-200 Mbps | | NetFlow | 5000 flows (limited memory) |

The 1900 series reached its on June 24, 2017 . The version 15.8(3)M7 is the final rebuild released by the Cisco Bug Fix Team. C1900-universalk9-mz.spa.158-3.m7.bin