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lldpd (1.0.4) * Changes: + Add "configure system max-neighbors XX" command to modify maximum of neighbors accepted per port. + Implement lldpRemOrgDefInfoTable table for custom TLVs. * Fix: + Better compliance for statsTLVsUnrecognizedTotal and statsAgeoutsTotal counters. + On Linux, handle rare blocking case in Netlink code. lldpd (1.0.3) * Fix: + Fix creation of chroot directory. lldpd (1.0.2) * Changes: + On Linux, the monitor process will now drop its privileges instead of running as root. It will keep CAP_NET_RAW, CAP_NET_ADMIN and CAP_DAC_OVERRIDE capabilities. + Support for CDP PD PoE (with negotiation). Thanks to Gustav Wiklander. + Move support for bonded devices on Linux < 2.6.27 into the `--enable-oldies` option. This avoids duplicate packets starting from Linux 4.19. lldpd (1.0.1) * Fix: + Use "mkdir -p" instead of "mkdir" in systemd unit. lldpd (1.0.0) * Changes: + Chassis ID can be set to an arbitrary value with "configure system chassisid". + Port description can be overriden directly with "configure lldp portdescription". + Command "configure system interface permanent" enables one to specify a pattern for interfaces to be kept in memory even when they are removed from the system. * Fix: + Ensure chassis-related changes are propagated immediately. + Ensure management address change is correctly detected. lldpd (0.9.9) * Changes: + lldpcli can now display local interfaces with LLDP data sent on each of them ("show interfaces"). + As Dot3 PD device, echo back allocated value from PSE device. * Fix: + Don't remove interfaces when they are released from a bridge. + Don't use "expect stop" with Upstart. It's buggy. lldpd (0.9.8) * Changes: + "Station" capability is only set if no other bit is set. + Use ethtool to get permanent address for bonds and teams. This might provide different results than the previous method. Some devices may still use the previous method. + Don't run ethtool as root. Kernels older than 2.6.19 won't get link information anymore. + Add "configure system hostname ." option to not use a FQDN for system name. + Add "-f json0" to provide a more regular/machine-parsable output to JSON output, even when not compiled with --enable-json0. * Fixes: + Handle team interfaces like a bond. Real MAC address cannot be retrieved yet. lldpd (0.9.7) * Changes: + Attach remote TTL to port instead of chassis. + JSON support is now built-in and unconditionally enabled. Use --enable-json0 to keep the pre-0.9.2 json-c format. + When logging to syslog and daemonizing, don't log to stderr. + vxlan interfaces are now ignored as they are multi-point interfaces. + Maximum number of neighbors for an interface is increased from 4 to 32. lldpd (0.9.6) * Changes: + Add a compile-time option to restore pre-0.9.2 JSON format (when using json-c). Use `--enable-json0` to enable this option. + Support for newer ethtool interface on Linux (ETHTOOL_GLINKSETTINGS) and additional speed settings. + Current MAU type is displayed even when autoneg is off. + Increase netlink receive buffer by default. Can be changed at compile-time through ./configure. * Fixes: + Correctly parse LLDP-MED civic address when the length of the TLV exceeds the length of the address. + Fix 100% CPU on some rare error condition. + Fix lost timer when an interface is enslaved on Linux. lldpd (0.9.5) * Changes: + More Ethernet media supported. However, RFC4836 is quite out-of-date with respected to 10G+ speeds, bringing some inaccuracies. + Directly get media information for an interface without using the privileged process. + LLDP-MED capability TLV is not sent when LLDP-MED is not enabled, even if other LLDP-MED TLV are present. * Fixes: + Compilation fix with older versions of GCC. + Don't use ethtool at all to get real MAC address for enslaved devices (always use /proc). lldpd (0.9.4) * Changes: + Make lldpd accepts a `-p` option to specify the PID file. + Ability to change multicast MAC address to two additional values to reach customer bridges. + lldpcli will now display chassis TTL when detailed view is enabled. * Fixes: + Fix setting of local value for port ID. + Fix compilation with BSD make. + Ensure lldpcli returns an error code on invalid commands. lldpd (0.9.3) * Changes: + Do not rely on support of constructors for liblldpctl. + Always log to stderr (even in addition to syslog). + `lldpcli watch` accepts a limit on the number of received events. * Fixes: + `lldpcli -f {xml,json} watch` should work now. + Consider `veth` interfaces as physical interfaces. lldpd (0.9.2) * Changes: + Ability to add/remove/replace custom TLV from lldpcli. + LLDP-MED capabilities are displayed differently in lldpcli. + Limit the maximum depth (5) when trying to apply a VLAN. + Change JSON output format when using json-c to match Jansson output. + Integration tests for the major parts of lldpd, including use of address and leak sanitizer. * Fixes: + LLDP-MED POE TLV are now displayed in lldpcli. + Ignore lower link when it is in another namespace. + Fix various problems with interfaces being enslaved. + Fix a memory leak when modifying port-related settings. lldpd (0.9.1) * Changes: + Rework packaging for OS X to make it work with El Capitan. To simplify a bit, it is not possible anymore to build fat binaries. Latest version of OS X supporting 32bit was 10.6. * Fixes: + By default, when using port alias as description, use port name as port ID. + Miscellaneous fixes with netlink cache. + Ensure large netlink messages can be received. lldpd (0.9.0) * Changes: + Don't rely on libnl3 for netlink. Reuse the previous code and implement a lighweight cache. lldpd (0.8.0, never released) * Changes: + PIE is now disabled by default. It's too difficult to reliably detect if it works. Use --enable-pie to enable it. + Retrieve the permanent MAC address of an interface through ethtool for Linux if /proc/net/bonding is not available. + Running lldpd with "-d" will keep the process in foreground but logs will still go to syslog. To log to the console, add at least one "-d". + Fix minimal kernel version to 2.6.39. Add a runtime warning when this is not the case. + Remove old bridge code (the one using ioctl). + Don't discard down interfaces. Notably, this enables us to keep their specific configuration if any. + For Linux, switch to libnl3. Be aware of the licensing issues in case of static linking. + Introduce the notion of default local port. New interfaces will use it as a base. This allows setting various MED stuff. + Provide an apparmor profile (untested). * Fixes: + Fix a buffer overflow when receiving a too large management address TLV. Unless hardening has been disabled, this overflow cannot be used for arbitrary code execution. + Update LLDP-MED policy L2 priority values to match 802.1Q-2005. This may be a breaking change. lldpd (0.7.17) * Fixes: + Fix the way libevent configure is called. + Fix an infinite loop when using veth on Linux 4.1+ kernels. + Make CDP advertise the appropriate kernel name as platform, not just "Linux". lldpd (0.7.16) * Changes: + For Linux, 2.6.32 is now the minimal required kernel. When using an older kernel, use `--enable-oldies`. + For Linux, use netlink to retrieve information about bridges, VLAN and bonds. The code was contributed by Cumulus Networks. + Use symbol versioning for liblldpctl.so. + Ability to get local chassis information with "show chassis". + The library also has the same ability with the `lldpctl_get_local_chassis()` function. It is also possible to get a chassis atom from a port with `lldpctl_k_port_chassis` key. This is now the preferred way to retrieve chassis related information. * Fixes: + Fix build on OS X. + Accept "language" when configuring MED location as a civic address. lldpd (0.7.15) * Changes: + Optional features can be configured with "auto" to autodetect if they are usable. This is the default value for JSON and XML support. + Ability to send and decode custom/unknown TLV. Thanks to Alexandru Ardelean. + Modify checksum function. While this should be strictly equivalent, if you notice CDP packets not accepted anymore, this change is the first culprit. lldpd (0.7.14) * Changes: + Shutdown LLPDU are sent on MSAP change and when lldpd exits. + When an exact IP is provided as a management pattern, use it unconditionally. + Ability to set port ID and description to an arbitrary value, thanks to Alexandru Ardelean. * Fixes: + Incorrect boundary check when decoding management address and protocol identity may lead to lldpd crash when processing malformed LLDPDU. + Many edge cases where lldpd was leaving hanging processes after crashing. lldpd (0.7.13) * Fixes: + Unbreak customization of Unix socket path from command line. lldpd (0.7.12) * Changes: + Interface pattern, management pattern, system description, system platform and system hostname can be unconfigured to their default values. * Fixes: + Don't complain when parsing a commented line. + Correctly persist configuration changes for "system interface promiscuous", "system interface description" "med fast-start enable", "pause" and "resume". + Fix listening on bond devices for old kernels (< 2.6.27). lldpd (0.7.11) * Changes: + Ship bash and zsh completion. + Abort when some command-line options are repeated. * Fixes: + Handle correctly read failures in liblldpctl. lldpd (0.7.10) * Changes: + Ability to set promiscuous mode to work around bugs of some switches encapsulating LLDP frames inside 802.1Q frames. + JSON support for lldpcli can use json-c instead of jansson, thanks to Michel Stam. * Fixes: + Fix checksum computation for Cisco CDP. + Fix ability to disable LLDP. + Fix seccomp sandbox, thanks to Patrick McLean. lldpd (0.7.9) * Changes: + Default location for chroot, socket and PID are now configurable in `./configure`. The default location is based on the value of `runstatedir` which in turn may be based on the value of `localstatedir` which defaults to `/usr/local/var`. Therefore, to get the previous locations, lldpd should be configured with `./configure --localstatedir=/var`. + Add support for shutdown LLDPU. + Ability to configure IP management pattern from lldpcli. + Ability to choose what port ID should be (MAC or interface name). * Fixes: + Fix `configure system bond-slave-src-mac-type local`. Also use it as default. lldpd (0.7.8) * Changes: + Android support + Add the possibility to disable privilege separation (lower memory consumption, lower security, don't do it). + Interfaces can now be whitelisted. For example, *,!eth*,!!eth1 is a valid pattern for all interfaces except eth ones, except eth1. Moreover, on exact match, an matching interface circumvents most sanity checks (like VLAN handling). + Ability to override the hostname. * Fixes: + Don't hard-code default values for system name, system description and port description. When the field is not present, just don't display it. + Fix lldpcli behaviour when suid. + On OSX, don't use p2p0 interfaces: it would break WLAN. + Fix SNMP support on RHEL. lldpd (0.7.7) * Changes: + Use a locally administered MAC address or an arbitrary one instead of null MAC address for bond devices on Linux. This is configurable through `lldpcli`. + Add support for "team" driver (alternative to bond devices). + Preliminary support for DTrace/systemtap. + Preliminary support for seccomp (for monitor process). + Setup chroot inside lldpd instead of relying on init script. * Fixes: + Various bugs related to fixed point number handling (for coordinates in LLDP-MED) + Fix a regression in how MAC address of an enslaved device is retrieved. lldpd (0.7.6) * Changes: + Provide a way to build packages for OSX. + Add an option to update interface description with neighbor name. * Fixes: + Compilation fix for OSX 10.6. lldpd (0.7.5) * Fixes: + Segfault while tokenizing in lldpcli. lldpd (0.7.4) * Fixes: + Segfault in lldpcli. + Memory leak in liblldpctl when using a custom log handler. + Fix some unaligned memory accesses. + Fix frame reception on OpenBSD. * Changes: + Allow to configure hold value from lldpcli (and hence the TTL). + Allow to configure pattern for valid interfaces from lldpcli. + Allow to override system description from lldpcli. + Display the neighbor connected as the process title (or the number of connected neighbors). lldpd (0.7.3) * Changes: + DragonFly BSD support. + Solaris support (incomplete). + LLDP-MED fast start support (thanks to Roopa Prabhu). + Provide global statistics through "show statistics summary" command (thanks to Roopa Prabhu). * Fixes: + Fix IPv4/IPv6 address discovery in Linux. lldpd (0.7.2) * Changes: + lldpd can be configured through /etc/lldpd.conf and /etc/lldpd.d. All commands accepted by lldpcli are accepted. + Lock BPF interfaces before handing them to chrooted process on BSD. + Limit the number of neighbors for each port to 4 (per protocol). + Force CDPv2 protocol with argument `-ccc`. + Provide port statistics through "show statistics" command (thanks to Roopa Prabhu). * Fixes: + Driver whitelisting is done before checking if an interface has a lower interface in Linux. + Expire remote ports and chassis in a timely manner. lldpd (0.7.1) * Changes: + Mac OS X support, sponsored by Xcloud, Mac cloud server hosting provider. http://xcloud.me/ + Upstart and systemd support. + Remove Unix socket when there is no process listening. lldpd (0.7.0) * Changes: + FreeBSD support. + OpenBSD support. + NetBSD support. + Detect interface changes. + CLI for lldpctl: lldpcli. + Allow to disable LLDP protocol (with `-ll`). In this case, the first enabled protocol will be used when no neighbor is detected. + Allow to filter debug logs using tokens. Add more debug logs. + lldpctl can now output JSON. + Use netlink to gather interface information on Linux. + Don't use ioctl for bridges anymore on Linux. The configure option `--enable-oldies` allow to reenable their uses for systems not supporting sysfs. lldpd (0.6.1) * Changes: + Provide liblldpctl.so, a library to interface with lldpd. The documentation is provided through Doxygen. See src/lib/lldpctl.h which contains all the exported functions. + Make lldpctl uses liblldpctl.so. + Add a "watch" option to lldpctl to monitor neighbor changes. + Add the possibility to display the current configuration of lldpd with lldpctl. Also add the possibility to reset the current transmit delay. lldpd (0.6) * Changes: + Allow lldpctl to display hidden ports. + Add a switch to specify interfaces to use to get chassis ID. + Support for multiple management addresses and IPv6 management addresses. Contributed by João Valverde. + Switch to libevent. See README.md for details. + Partial rewrite of the SNMP part. Less code. + Unit tests for SNMP. + Major rewrite of the protocol between lldpd and lldpctl. Less code. * Fixes: + Several small SNMP fixes (discovered by unit tests). lldpd (0.5.7) * Fixes: + Configure issue with NetSNMP and some linkers + Fix infinite loop for the receive part: on certain conditions, lldpd will stop sending packets and stop updating local data. lldpd (0.5.6) * Changes: + Send and receive native VLAN TLV with CDP + Add a whitelist for some drivers (currently: dsa and veth) * Fixes: + Compilation issues with NetSNMP 5.7 (and with earlier versions too) + Small optimization of BPF filter lldpd (0.5.5) * Changes: + Support for PPVID and PI Dot1 TLV, thanks to Shuah Khan. + Extend whitelist with possibility to blacklist. * Fixes: + Key/value output was incorrect when a dot was present in interface names. This is fixed but it is preferable to use XML output since the parsing is more difficult in this case. + Only grab DMI information once. Only uses DMI for x86 platform. + Padding issues with socket protocol. This introduces a change in the socket protocol! + Fix a segfault when neither /etc/os-release nor lsb_release are available. lldpd (0.5.4) * Changes: + Get OS information from /etc/os-release if available. Patch from Michael Tremer. + Add a flag to specify which interfaces lldpd should listen to. lldpd (0.5.3) * Changes: + Handle Dot3 POE-MDI TLV (802.3af and 802.3at). + Allow to set Dot3 POE-MDI from lldpctl. * Fixes: + Allow root to change configuration of lldpd when lldpctl has suid set. lldpd (0.5.2) * Changes: + More flexible smart mode and new default. Manual page has been updated. + Add a "receive-only" mode with "-r" switch. lldpd (0.5.1) * Changes: + Allow to force a protocol even when no peer for this protocol is detected. + Add a smart mode that allows to discard bogus port information, for example CDP packets that are flooded through a switch that does not support CDP. + Allow to set LLDP-MED network policy from lldpctl, thanks to a patch from Philipp Kempgen. + Allow to set LLDP-MED POE-MDI from lldpctl. + Add a summary of available options in "lldpd -h" and "lldpctl -h", thanks to a patch from Jorge Boncompte. + Add a new output (keyvalue) for lldpctl. + Listen on VLAN using an appropriate BPF filter, VLAN decapsulation. Older "listen on vlan" feature is discarded. See README for more information on the new feature. + Use output of lsb_release if available for system description. * Fixes: + Ignore interface with no queue. It should filter out interfaces like "vnet0" that would fail if we try to send something on them. + Don't check CDP checksums (not really a fix but it appears that Cisco checksum have some difficult corner cases). lldpd (0.5.0) * Changes: + lldpd can now handle several systems on the same port. This modification also allows to speak to a switch using CDP and LLDP for example. + The way that lldpd gathers information for each port has been abstracted. This should allow to support more systems (BSD for examples) or switch cores in the future. Sending/receive support is also abstracted. + Add "-k" switch to avoid to emit too much information on running kernel. + Support of ifAlias with kernel >= 2.6.28 + Lot of portability stuff. lldpd can now be compiled on RHEL 2.1. Still Linux-only though. + Add an option to specify AgentX socket (-X). + Add some unit tests + lldpctl has been reworked; it is now able to output data in XML format for easier parsing. Patches were provided by Andreas Hofmeister. * Fixes: + Fix EDP VLAN handling + Silent warnings about bridge stuff. + Copy /etc/localtime into chroot before starting lldpd daemon to ensure correct timestamps for logs. lldpd (0.4.1) * Fix EDP handling when there is no VLAN * Fix CDP version to not always be 1 * Misc fix: + incorrect number of arguments for a LLOG_INFO call + fix SNMP last change in case this change occurs before start time lldpd (0.4) * Rewrite of packet builder and parser to be able to cope with architecture that cannot do unaligned read. For decoder, we don't cast structures any more since they can be unaligned. For encoder, we use memcpy through the use of macro that build packets step by step. lldpd (0.3.2) * Fix LLDP-MED support lldpd (0.3.1) * Misc fixes, including memory leaks lldpd (0.3) * Initial support of LLDP-MED * Fix for bridge detection (don't send bridge ioctl on random interfaces) * For bonded devices, get the real hardware address. For inactive slaves, transmit using a random MAC address. lldpd (0.2.1) * Fix a syntax error in manual page * Fix open() calls lldpd (0.2) * Add privilege separation * Add FDP support * Support CDP encapsulated into native VLAN * Various fixes lldpd (0.1) * Initial release