Cisco Catalyst 6500 User Manual page 9

ePAgP Support Table:
Device Series
Cisco Catalyst 3750
Cisco Catalyst 4500
Cisco Catalyst 6500
Cisco Catalyst 6500 VSS
•
IP Bidirectional Forwarding Detection (BFD) †Uses BFD messaging over a backup Ethernet
connection. IP BFD uses a direct connection between the two chassis and does not require support
from a neighbor switch. This method is available in Cisco IOS Software Release 12.2(33)SXH1 and
later.
•
VSLP dual−active fast−hello †Uses special hello messages over a backup Ethernet connection.
Dual−active fast−hello is faster than IP BFD and does not require support from a neighbor switch.
This method is available only in Cisco IOS Software Release 12.2(33)SXI and later.
You can configure all three detection methods to be active at the same time.
These graphs give information on the convergence of some IP routing protocols with regard to VSS dual
active convergence.
EIGRP Convergence with Default timers
Minimum Cisco IOS Software
Cisco IOS 12.2(46)SE
Cisco IOS 12.2(44)SE
Cisco IOS 12.2(33)SXH
Cisco IOS 12.2(33)SXH1