I need your help in understanding the below Solaris 10 ifconfig output;
I have a few questions;
1. The three interfaces; e1000g0, e1000g1, e1000g1:1 - am I right in thinking that there is two physical interfaces and one sub-interface - e1000g1:1 ?
2. The current production IP is 165.34.218.131 on e1000g1:1, but we had a recent problem and I think that the IP has failed over somehow from e1000g0 to e1000g1:1, but not sure as I'm not familiar with this server and don't know what it was before the issue. Can anyone shed some light on this?
3. Please can someone explain the meaning of the highlighted flags for interface e1000g1:1 ? Currently we cannot ping the e1000g0 interface even though it says Up and Running, but it say's Deprecated and Failed, so does this mean there is a problem with it, and should I bounce it to see if it comes back ok?
Regards, Wynford
Last edited by vbe; 10-27-2011 at 01:12 PM..
Reason: code tags please not colours!!!
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Discussion started by: nixhead
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LEARN ABOUT FREEBSD
edsc
EDSC(4) BSD Kernel Interfaces Manual EDSC(4)NAME
edsc -- Ethernet discard network interface
SYNOPSIS
device edsc
DESCRIPTION
The edsc interface is a software discard mechanism which may be used for performance analysis and software testing. It imitates an Ethernet
device, which allows for its use in conjunction with such drivers as if_bridge(4) and vlan(4).
As with other network interfaces, an edsc interface must have network addresses assigned for each address family with which it is to be used.
These addresses may be set or changed with the SIOCSIFADDR ioctl(2) or ifconfig(8) utility.
Each edsc interface is created at runtime using interface cloning. This is most easily done with the ifconfig(8) create command or using the
cloned_interfaces variable in rc.conf(5).
SEE ALSO ioctl(2), arp(4), if_bridge(4), inet(4), intro(4), vlan(4), rc.conf(5), arp(8), ifconfig(8)HISTORY
The edsc device was derived from the disc(4) device and first appeared in FreeBSD 6.3. This manpage was adapted from disc(4).
CAVEATS
Since outgoing packets are just discarded by edsc, ARP requests stay unreplied. Consequently, an IP packet cannot be sent via edsc until a
static arp(4) entry is created for its next hop using arp(8).
Initially an edsc interface has a zero link level address. It can be changed with ifconfig(8) lladdr if needed.
BSD March 25, 2007 BSD