Allied Telesis AT-8900 SERIES, Release Note

Page 1: ...ools CD ROM packaged with your switch or from www alliedtelesyn co nz documentation documentation html WARNING Using a patch for a different model or software release may cause unpredictable results i...

Page 2: ...ug command was executed This issue has been resolved Please note that this problem would not occur when the show log command was executed A temporary work around would be to disable the log module bef...

Page 3: ...a Core port was added to a nested VLAN its Ingress Filtering attribute was set to be On and Acceptable Frame Type was set to be Admit Only VLAN tagged Frames If the port was deleted from that VLAN it...

Page 4: ...entry for an IP address that was already configured on one of its interfaces This issue has been resolved and the receipt of spoofed ARP packets will now generate a log message 1 A switch reboot coul...

Page 5: ...one VLAN to another it caused STP to reconverge This issue has been resolved Incorrect behaviour would occur if the switch was configured with a hardware filter that used a classifier matching on a V...

Page 6: ...everal commands for creating static arp entries the switch could reboot on startup This issue has been resolved A memory leak could occur when the accessing of the environmental monitoring chip failed...

Page 7: ...ting Subsequent TCP session startup packets may have been routed out to an incorrect interface causing sessions to not be established This issue has been resolved A customer port in one nested VLAN co...

Page 8: ...port was remaining in the default VLAN after having been added to a nested VLAN 2 A port was being returned to the default VLAN when deleted from one nested VLAN even if it was still a member of anoth...

Page 9: ...VRRP had been enabled on the switch then the routing of any packets that entered the switch via a an interface on which VRRP was operating would be performed in software rather than using the L3 switc...

Page 10: ...from 0 again However they were remaining stuck at 0xFFFFFFFF This issue has been resolved so that the counters will correctly roll over from 0xFFFFFFFF to 0 and start counting up again Level 4 No iss...

Page 11: ...ved OSPF did not refresh a network LSA when it received a LSA with errors from another vendor s device This has now been fixed PIM counters were not totalling up correctly for erroneous packets if the...

Page 12: ...s been resolved When two devices A and B had an IPsec tunnel connecting them and the default route of device A was to device B device B had a fatal error If A lost a link any packets for that link wer...

Page 13: ...ted LSA Link State Advert If it was the same the LSA was removed from the re transmission list The algorithm used in this check has been changed to be compliant with the algorithm specified in section...

Page 14: ...n though the device was no longer the VRRP master Duplicate echo replies were seen on the device sending the pings This issue has been resolved In certain situations if a DHCP client used a DHCP relay...

Page 15: ...onally a fatal error might be observed when the switch was removing IPv6 multicast downstream interfaces for example when downstream clients left a multicast group This issue has been resolved If the...

Page 16: ...tempts to ping a site local address from a global unicast address would fail This issue has been resolved GVRP added tagged ports to dynamic VLANs as static entries As a result these member ports were...

Page 17: ...protocol parameter in IPv6 classifiers This issue has been resolved The ifJackType MIB object RFC 2239 always returned the value BNC regardless of the actual GBIC SFP installed The correct value for...

Page 18: ...ENABLE IP IGMP ALLGROUP command and disabled with the DISABLE IP IGMP ALLGROUP command For details see IGMP Snooping All Group Entry on page 23 The switch was adding a router port for multicast packet...

Page 19: ...d VLAN was deleted the switch did not respond correctly to subsequent DHCP Discover messages This issue has been resolved The value for the Device rule space limit in the output of the show switch com...

Page 20: ...ing classifiers and hardware filtering This can increase the chance of packets that match the classifier reaching the CPU because they are transmitted to the CPU on a different queue and DMA channel T...

Page 21: ...ges for IPv6 on page 28 A MIB for QoS has been added A more recent version may be available from your authorised distributor or reseller Network processor performance has been improved It is no longer...

Page 22: ...routes to be imported from BGP to OSPF See Importing BGP routes into OSPF on page 29 for details IPv6 is now available when a software feature licence for IPV6 is enabled or the AT ACC01 network proc...

Page 23: ...nsider a video streaming service which has 15 channels When the switch receives IGMP membership reports destined for the address 239 0 0 2 from an unauthorised user all 15 channels of multicast data f...

Page 24: ...witch port including uplink ports Description This command enables the specified port s to behave as a multicast all group ports IGMP Protocol Status Enabled Default Query Interval 125 secs Default Ti...

Page 25: ...Ethernet switch port including uplink ports Description This command disables the specified port s from acting as a multicast all group entry ports Ports that are disabled have a symbol next to the po...

Page 26: ...ast addresses to and from the list of router multicast addresses that are specified by the SET IGMPSNOOPING ROUTERMODE command when the IP parameter is selected use the commands ADD IGMPSNOOPING ROUTE...

Page 27: ...0 13 All CBT routers 224 0 0 15 If IP is specified addresses that are treated as router multicast addresses are specified with the ADD DELETE IGMPSNOOPING ROUTERADDRESS command In this mode the switc...

Page 28: ...edirect messages When ICMPREDIRECT is enabled any unicast IPv6 packet that has the same ingress and egress VLAN is routed in software rather than hardware and ICMP redirect messages may be generated T...

Page 29: ...gplimit 1 300 When the limit is reached the importing of routes will stop until existing routes are removed Because they are BGP routes actions of BGP control when the routes disappear The other way t...

Page 30: ...hown here For the full syntax of these commands see the Software Reference on the Documentation and Tools CD ROM bundled with your switch or at www alliedtelesyn co nz documentation manuals set ospf S...

Page 31: ...s Disabled PTP stub network generation Enabled External LSA count 10234 External LSA sum of checksums 1002345623 New LSAs originated 10345 New LSAs received 34500 RIP Off BGP importing Enabled Yes Imp...

Page 32: ...ches the pattern ACTion The action to take when the filter pattern is matched INCLude Route information matching the filter will be included EXCLude Route information matching the filter will be exclu...