Security appliances software versions MX 26.1.3 changelog Executive summary This is the first Generally Available release for MX 26.1. The MX 26.1 release contains significant feature updates enabling support for entire new topologies while further expanding routing and security capabilities. For customers already running MX 26.1, this release contains a variety of fixes concentrated in key areas like VRFs and MultiWAN Multi-Uplink configurations. Please have a look at the full details below. With the promotion of MX 26.1 to Stable Release Candidate / Generally Available release and the promotion of MX 19.2 to Stable / Recommended release, we strongly encourage customers to begin their process of migrating from older releases. We do not intend for additional fixes to become available through future MX 19.1 releases. New feature highlights Added support for configuring Virtual Router Forwarding domains (VRF) through the Early Access feature program. Added support for configuring up to 4 WAN interfaces on C8455-G2-MX, C8111-G2-MX, and C8121-G2 MX appliances. Added expanded VPN NAT solutions. There is now support for configuring IPv4 subnet translation, VPN host translation rules, and VPN port forwarding rules. Added support for non-NATed WAN uplinks (Routed interfaces) and the ability to manually configure the L3 inbound firewall rules. Expanded support for Adaptive Policy, adding Secure Group Tag (SGT) assignment based on Group Policy and SGT to group policy mapping support. Expanded BGP attribute support to include outbound well-known and custom communities and increased route integrity with inbound filtering. Client VPN now supports IKEv2 for establishing connections. VPN full-tunnel exclusion now includes source-based and NBAR application-based exclusion definitions. Added support for encrypted (TLS) syslog Bug fixes - general fixes Fixed an issue that resulted in MX appliances failing to upload XDR flow telemetry data. (MX-46251) Resolved a potential disruption to IPv6 connectivity that could erroneously occur when modifying IPv4 address configuration on MX appliances. (MX-45132) Resolved a case that could result in duplicate DHCP Event Log messages when VRF is configured. (MX-45492) Fixed an issue that resulted in client traffic from outside the default VRF being unable to reach Internet destinations when the traffic traveled across a full tunnel Auto VPN connection. (MX-45723) Resolved an issue that could result in DHCP leases failing to be offered for clients outside of the default VRF. (MX-45306) Fixed a rare issue that could result in traffic failing to route to IPsec VPN peers when 1) Primary and Secondary IPsec VPN tunnels were configured, and 2) a large number of route VPN subnets were configured. (MX-45248) Resolved an issue that caused outdated route information to persist in the MX appliance after updating the MX’s VLAN interface IP address and VRFs were enabled. (MX-45090) Corrected an issue that resulted in Dashboard packet captures being empty when 1) the capture was taking IPsec VPN traffic, 2) the VPN peer connections are established using IKEv2 and 3) Multi-Uplink IPsec VPN was enabled. (MX-41291) Fixed a very rare issue that could result in Client VPN sessions disconnecting unexpectedly when IKEv1 client VPN was used. (MX-33904) Resolved several cases that could cause an unexpected device reboot. (MX-45849)(MX-46042) (MX-45616) Bug fixes - limited platform fixes Fixed an issue that could result in C8111-G2-MX and C8121-G2-MX appliances failing to perform content filtering lookups after 6 or more months of operation. (MX-45452) Corrected several issues that could result in disruptions to client connectivity after converting interfaces between WAN and LAN mode for MultiWAN Multi-Uplink functionality on C8111-G2-MX and C8121-G2-MX appliances. (MX-46128) (MX-45423) (MX-45594) (MX-45118) (MX-45747) Fixed an issue that caused the Internet 2 interface to be incorrectly reported as “Port 2” on the device local status page for C8111-G2-MX and C8121-G2-MX appliances. (MX-45309) Corrected an issue that resulted in the WAN3 interface using an incorrect MAC address on MX75, MX85, MX95, and MX105 appliances when MultiWAN Backup Uplink was configured. (MX-45583) Fixed an MX 26.1 regression that could prevent IPv6 connectivity over cellular on Z4C appliances.” (MG-5500) Legacy products notice When configured for this version, Z3(C) devices will run MX 19.2.7. When configured for this version, MX64(W), MX65(W), MX84, MX100, and vMX100 devices will run MX 18.107.13. Known issues Once VRF is enabled, all AutoVPN communication between devices running firmware releases older than MX 26.1 will be dropped. (Tracking ID available soon) Once VRF is enabled, communications from MX appliances running MX 26.1 releases will be dropped by Secure Connect. (Tracking ID available soon) Other The product complies with EN 18031-1:2024 and EN 18031-2: 2024
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