E series line card provides increased switching capacity per slot fetaures 48 gigabits per slot capacity bandwidth is allocated across four 3 port groups providing 12 gbps per port group 251 up to 12 ports 10ge sfp 10gbase r or 12 ports ge sfp 1gbase x sfp and sfp can be used simultaneously on the same line card without any restrictions cisco ios xe release 310sg or later ieee 8021ae and cisco trustsec capability in hardware l2 4 jumbo frame support up to 9216 bytes