Fabricpath FAQs

1. What is the unique mac address used in unknown Unicast.
Answer:- 01:0F:FF:C1:01:C0

2. What is STP bridge ID used by all Fabricpath edge devices?
Answer:- C84C.75FA.6000

3. What is the maximum number of VPC+ port channel support?
Answer: - 244

Note: - On F2/F2E line card, we can increase the maximum number of VPC+ port-channel support by using no port-channel limit commands.

4. What is the default value Root priority?
Answer: - 64 ( It can be between 0 to 255)

5. What is the default TTL value set for all frames?
Answer: 32.

Note:-We can use the command fabricpath ttl to configure the TTL Value.

6. Does VPC+ support static port-channel?
Answer: - Yes, it supports both LACP and Static port-channels.

7. Is fabricpath supported on M cards?
Answer:- No. Fabricpath is only supported on F series.

8. Which license is required for Fabricpath?
Answer:- Enhanced Layer 2 Package

9. What is ethertype value of Fabricpath frame?
Answer:- 0x8903

10. What is order of preference for root election?
Answer:- Root priority-> System ID->Switch ID

Note:- Higher is better.

11. Is the mac addresses are advertised by fabricpath IS-IS like in OTV?

Answer :- No, Fabricpath IS-IS will not advertise any mac address.