Cisco Cisco Packet Data Gateway (PDG) Manuale Di Manutenzione
Generally Available 06-30-2010
Common Features in Release 8.3
1-9
10 Gigabit Ethernet Line Card
The 10 Gigabit Ethernet Line Card is commonly referred to as the XGLC. The XGLC
supports higher speed connections to packet core equipment, increases effective throughput
between the ST40 and the packet core network, and reduces the number of physical ports
needed on the ST40.
supports higher speed connections to packet core equipment, increases effective throughput
between the ST40 and the packet core network, and reduces the number of physical ports
needed on the ST40.
The XGLC is a full-height line card. To install an XGLC, you must remove the half-height
card guide in the rear of the chassis. Once installed, use only the upper slot number to refer
to or configure the XGLC. XGLCs can be installed in chassis slots 17 through 23 and 26
through 32. These cards should always be installed directly behind their respective PSCs or
PSC2s, but they are not required behind any redundant PSCs or PSC2s (those operating in
Standby mode).
card guide in the rear of the chassis. Once installed, use only the upper slot number to refer
to or configure the XGLC. XGLCs can be installed in chassis slots 17 through 23 and 26
through 32. These cards should always be installed directly behind their respective PSCs or
PSC2s, but they are not required behind any redundant PSCs or PSC2s (those operating in
Standby mode).
The one-port XGLC supports the IEEE 802.3-2005 revision which defines full duplex
operation of 10 Gigabit Ethernet.
operation of 10 Gigabit Ethernet.
The XGLC use a Small Form Factor Pluggable (SPF+) module. The modules support one of
two media types: 10GBASE-SR (Short Reach) 850nm, 300m over Multimode (MMF), or
10GBASE-LR (Long Reach) 1310nm, 10km over Single Mode (SMF).
two media types: 10GBASE-SR (Short Reach) 850nm, 300m over Multimode (MMF), or
10GBASE-LR (Long Reach) 1310nm, 10km over Single Mode (SMF).
The XGLC is configured and monitored via the System Management Card (SMC) over the
system’s control bus. Both SMCs must be active to maintain maximum forwarding rates.
system’s control bus. Both SMCs must be active to maintain maximum forwarding rates.
A feature of the higher speed line cards (XGLC and the Quad Gigabit Ethernet Line Card or
QGLC), is the ability to use the Star Channel if the firmware needs to be upgraded. The Star
Channel is a 2x140Gbps redundancy bus between the PSC and the line card that allows a
faster download. Another way to perform a firmware upgrade is via the System
Management Bus, with 1 Mbps throughput, which connects the SMC to every card in the
system.
QGLC), is the ability to use the Star Channel if the firmware needs to be upgraded. The Star
Channel is a 2x140Gbps redundancy bus between the PSC and the line card that allows a
faster download. Another way to perform a firmware upgrade is via the System
Management Bus, with 1 Mbps throughput, which connects the SMC to every card in the
system.
The supported redundancy scheme for XGLC is L3, Equal Cost Multi Path (ECMP).
For more information, see the “Hardware Platform Overview” chapter of the Hardware
Installation and Administration Guide.
Installation and Administration Guide.