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4-186
Guidelines for Creating Trunks
General Guidelines –
• Finish configuring port trunks before you connect the corresponding
network cables between switches to avoid creating a loop.
• A trunk can have up to four ports.
• The ports at both ends of a connection must be configured as trunk
ports.
• All ports in a trunk must be configured in an identical manner,
including VLAN assignments and CoS settings.
• Any of the 10 Gigabit ports on the front panel can be trunked together,
including ports of different media types.
Table 4-48 Link Aggregation Commands
Command Function Mode Page
Manual Configuration Commands
interface
port-channel
Configures a trunk and enters
interface configuration mode for
the trunk
GC 4-170
channel-group Adds a port to a trunk IC (Ethernet) 4-187
Dynamic Configuration Commands
lacp Configures LACP for the current
interface
IC (Ethernet) 4-188
lacp system-priority Configures a port's LACP system
priority
IC (Ethernet) 4-190
lacp admin-key Configures a port's
administration key
IC (Ethernet) 4-191
lacp admin-key Configures an port channel’s
administration key
IC (Port
Channel)
4-192
lacp port-priority Configures a port's LACP port
priority
IC (Ethernet) 4-193
Trunk Status Display Commands
show interfaces
status port-channel
Shows trunk information NE, PE 4-177
show lacp Shows LACP information PE 4-194