H3C S7500E-XS Series, Faq

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Q. Why can't the ping packets received on a TRILL trunk port reach a VLAN interface? ........................... 5
Q. Why can't the port use TRILL to encapsulate and forward the received packets on a
QinQ-enabled TRILL access port? .................................................................................................. 5
Q. Why can't an RB in a TRILL network be directly connected to common Layer 2 switches
through multiple links? ................................................................................................................. 5
Q. Is EVB supported on a Layer 3 Ethernet interface? ........................................................................... 5
Q. Why can't EVB be enabled if the maximum number of ARP entries that I configured reaches
the maximum number that the system supports? .............................................................................. 5
Q. Can an H3C S7500E-XS switch form an IRF fabric with devices from other switch series? ..................... 5
Q. How many member devices can an H3C S7500E-XS IRF fabric have? ............................................... 5
Q. How is an IRF master elected? ...................................................................................................... 5
Q. What IRF fabric topologies does the switch support? ....................................................................... 6
Q. What benefits does the IRF ring topology provide? ......................................................................... 6
Q. Why can't IRF physical interfaces forward data traffic at the wire speed across chassis in an
IRF fabric? .................................................................................................................................. 6
Q. What device models does the S7500E-XS switch support as PEXs in an IRF 3 system? ......................... 6
Q. How many PEXs can be attached to the S7500E-XS parent fabric in an IRF 3 system and
what virtual chassis numbers can the PEXs use? .............................................................................. 7
Q. What ports can I use as PEX physical interfaces on the S7500E-XS parent fabric in an IRF 3
system? ...................................................................................................................................... 7
Q. What is the maximum frame length allowed by the ports? ............................................................... 7
Q. Does flow mirroring support mirroring outbound broadcast packets of a VLAN? ................................. 7
Q. How can I determine whether or not packets are dropped on a port?................................................ 7
Q. Why is the mirrored outgoing packet different from the copied packet? ............................................. 7
Q. Why does the number of learned dynamic MAC addresses on an IRF fabric exceed the
maximum number of MAC address entries allowed? ........................................................................ 8
Q. Why don't the MAC address table and the ARP table update the entry for a MAC address
immediately after the device receives an ARP request from the MAC address on a different
port than the existing one? ........................................................................................................... 8
Q. Why does IP source guard allow a packet to pass through when the VLAN ID in the static
binding entry is not matched? ...................................................................................................... 8
Q. How do I set the notification and log message sending interval for ARP rate limit? .............................. 8
Q. What restrictions and guidelines should I follow when I configure TRILL? ............................................ 9
Q. Does a TRILL port support multiple neighbors? ................................................................................ 9
Q. Can I enable uRPF after configuring static routes or dynamic routing protocols? .................................. 9
Q. Does the switch support FCoE? ..................................................................................................... 9
Q. Does the switch support VXLAN? .................................................................................................. 9
Q. Can I configure multiple ENDSs for an EVI tunnel? .......................................................................... 9
Q. What is the difference between an EVI link and an EVI tunnel? ........................................................ 9