53
Condition: Authentication doesn't protect symmetric associations against DoS attacks.
201504230275
Symptom: A router replies with a re-INVITE message with the Referred-By header field after
receiving a REFER request without the Referred-By header field from a Lync server.
Condition: This symptom occurs when a Lync server sends a REFER request without the
Referred-By header field to the router.
201504230289
Symptom: A called phone rings once before going on-hook.
Condition: This symptom occurs if the following conditions exist:
ï‚¡ The calling router and called router use different codecs.
ï‚¡ The called router connects to the called phone through a VE interface.
201505110326
Symptom: NATed packets fail to be forwarded after the original route becomes unavailable.
Condition: This symptom might occur if the interface used as the backup outgoing interface is
not configured with NAT.
201505150401
Symptom: A router configured with IPsec fails to be authenticated by a Comware-V5-based
peer device.
Condition: This symptom might occur if the router is configured with an IKE-based IPsec policy
and the PFS feature is enabled for the IPsec policy.
Resolved problems in CMW710-E0302P06
201411280347
Symptom: When the MTU of a physical interface is configured greater than 1500 bytes, the
interface still uses 1492 as the MTU.
Condition: This symptom occurs when the MTU of the physical interface bound to PPPoE is not
1500.
Workaround: For TPC application, modify the TCP MSS on the dialer or VT interface to avoid
improper packet fragmentation.
201502020298
Symptom: On an IRF fabric formed by MSR4000 routers and configured with multichassis
Layer 3 aggregation, after a master/subordinate switchover, all users that log in through
Selected interfaces on the rebooted router are logged out.
Condition: This symptom occurs when the IRF fabric formed by MSR4000 routers acts as the
PPPoE server and the multichassis Layer 3 aggregate interface is used to respond to PPPoE
login request.
Workaround: None.
201502100609
Symptom: In an FR L2VPN with one end as an FR network and the other end as an Ethernet
link, CEs cannot communicate.
Condition: This symptom occurs when one end of the FR L2VPN is an FR network and the
other end is an Ethernet link.
Workaround: None.