Dell EqualLogic Configuration Guide v11.3
Some switch vendors have proprietary or enhanced link aggregation protocols. For example,
Cisco supports Port Aggregation Protocol (PAgP) that contains advanced management features.
Use LACP as method for link aggregation when I/O modules and external switches are from
different vendors
The industry standard link aggregation protocol is IEEE 802.3ad (802.1AX), also known as the
Link Aggregation Control Protocol (LACP). LACP is typically the only method for creating link
aggregation groups that can link switches from multiple vendors.
Figure 18Error! Reference source not found. shows how to link the M1000e enclosures using I/O
modules connecting to an external switch stack consisting of Dell PowerConnect 62XX model switches.
Figure 18 Stack to Stack Uplink Using 10GbE Links
5.6.2 1GbE Uplink Recommendations
If 10GbE links are not available, 1GbE links can be used to link the blade enclosure I/O modules to the
external switch stack. Configurations using 1GbE uplinks should be limited to smaller installations
limited to one or two M1000e blade enclosures due to increased cabling complexity.
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