здравствуйте,
посмотрел конфиг нашей железки с RSP720 и SRE3 - примерно то же самое.
Uptime for this control processor is 11 weeks, 4 days, 13 hours, 8 minutes
System returned to ROM by reload (SP by reload)
System restarted at 01:38:25 MSK Mon Feb 28 2011
System image file is "bootdisk:c7600rsp72043-advipservicesk9-mz.122-33.SRE3.bin"
Last reload type: Normal Reload
Cisco CISCO7606 (M8500) processor (revision 1.0) with 917504K/65536K bytes of memory.
Processor board ID
BASEBOARD: RSP720
CPU: MPC8548_E, Version: 2.1, (0x80390021)
CORE: E500, Version: 2.2, (0x80210022)
CPU:1200MHz, CCB:400MHz, DDR:200MHz,
L1: D-cache 32 kB enabled
I-cache 32 kB enabled
Last reset from power-on
1 SIP-400 controller (4 GigabitEthernet).
35 Virtual Ethernet interfaces
78 Gigabit Ethernet interfaces
4 Ten Gigabit Ethernet interfaces
3964K bytes of non-volatile configuration memory.
Mod Ports Card Type Model Serial No.
--- ----- -------------------------------------- ------------------ -----------
1 4 CEF720 4 port 10-Gigabit Ethernet WS-X6704-10GE
2 24 CEF720 24 port 1000mb SFP WS-X6724-SFP
4 0 4-subslot SPA Interface Processor-400 7600-SIP-400
5 2 Route Switch Processor 720 (Active) RSP720-3C-GE
Получается физически у циски 24+2+4 гигабита
На другой циске в такой же конфигурации в выводе sh ver 28 гигабитных интерфейсов (на том сипе 2 гигабита), т.е. верное кол-во.
Все в коммерческой эксплуатации