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3Com MSR Family Release Notes
Release Notes Software v5.20
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Fiber GigE links do not support bridge port link mode.
•
GigE combo port is not auto-detectable. By default the port mode is set to copper. If the
SFP interface is to be used this must be configured.
•
Layer2 FSM modules on different slots cannot communicate with each other.
•
In addition to DSS1, QSIG master (network side) is supported on T1 interfaces.
2.4
Network Protocol
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There is a new RIP timer option, "suppress" under the RIP process ID, which is defaulted
to 120 seconds. By setting the suppress timer to 0, the RIP route table can get updated
immediately.
•
The Linux network stack on the OSM module does not fragment packets by default.
3Com therefore recommends that applications running on the OSM do "not" use large
packets that require fragmentation.
•
SIP and H.323 NAT ALG are not supported. Since ALG is not supported, embedded IP
addresses in SIP & H323 do not get translated.
•
DHCP will not work for devices attached to interfaces placed in a bridge-set.
•
DHCP relay does not work with the Bridge-Template interface.
2.5
Routing Protocol
•
This release does not include commands to reset the IPv6-OSPFv3, IPV6-RIPng, and IPv6-
ISIS processes or statistics.
•
Using a non-existing OSPFv3 process ID in the router configuration does not generate an
error message. For example:
[5760-GigabitEthernet0/0.1]dis ospfv3 20
Info: No such OSPFv3 process
[5760-GigabitEthernet0/0.1]ospfv3 20 area 10
[5760-GigabitEthernet0/0.1]
•
Pointing a static route out a physical interface will not work for any network type except
a point-to-point network.
2.6
Multicast Protocol
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Multicast is not supported with VLAN interfaces.
•
IGMP is not supported in a bridge template.
2.7
Quality of Service (QoS)
•
NQA does not support hostnames. Use IP addresses instead.
2.8
MPLS
•
The command 'debug mpls ldp pdu interface yyy x/x' will not display received hello
messages. The command, without the interface specified (i.e. 'debug mpls pdu), will
display received hello messages for all MPLS interfaces.
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