Specifications

Open Issues, Known Behaviors, and Resolved Issues
ExtremeXOS 12.4.2 Release Notes
83
PD4-1213977743 The delay shown in the output of the show cfm segment frame-delay
statistics command is incorrect by a decimal.
Summit Family Switches
PD4-1261991331 A route manager crash occurs on a Summit X450 switch after disabling IPv6 compression
on ISISv6 routes.
PD4-1191918662 After installing ExtremeXOS 12.4.1.6 and rebooting a Summit family switch, no VPLS
traffic can be forwarded and numerous MPLS error messages are seen in the log. If a
Summit X480 receives more NHLFEs and ILMs than it can support, the switch may
experience traffic loss.
SummitStack
PD4-1159043191 A data loop occurs in the second VLAN of two protected VLANs when the second VLAN is
added using auto-bind.
BGP
PD4-1259087417 BGP crashes with a "Program terminated with signal 11, segmentation fault" error.
PD4-1185696661 A BGP process crash with signal 11 occurs when disabling and enabling a BGP peer with
15,000 routes.
OSPF
PD4-1190659647 The following critical error is displayed when deleting a VLAN in OSPF graceful restart:
<Crit:Kern.Emergency> MM-B: unregister_netdevice: waiting for
v4_F456C to become free. Usage count = 1
Spanning Tree Protocol
PD4-1197366585,
PD4-1197366555
A temporary loop is detected when flapping an MSTP enabled port on a root bridge.
Table 43: Platform-Specific and Feature PDs (Continued)
PD Number Description