Category: Uncategorized

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Enabling LLDP on ESXi standard vSwitches

I developed this script based on a post by Shanon Olsson and thought it might be helpful for someone:

#!/bin/sh
 
switch=vSwitch0
 
# get the list of ports on the vSwitch
ports=$(vsish -e "ls" "net/portsets/$switch/ports")
 
for p in $ports; do
    # search for the UPLINK flag on the port
    c=$(vsish -e "get" "net/portsets/$switch/ports/${p}status" | grep 'flags:.*UPLINK')
    [ -n "$c" ] && uplinks="$uplinks $p"
done
 
for u in $uplinks; do
    # enable LLDP on all the uplink ports
    vsish -e "set" "net/portsets/$switch/ports/${u}lldp/enable" 1
done

#!/bin/sh switch=vSwitch0 # get the list of ports on the vSwitch ports=$(vsish -e "ls" "net/portsets/$switch/ports") for p in $ports; do # search for the UPLINK flag on the port c=$(vsish -e "get" "net/portsets/$switch/ports/${p}status" | grep 'flags:.*UPLINK') [ -n "$c" ] && uplinks="$uplinks $p" done for u in $uplinks; do # enable LLDP on all the uplink ports vsish -e "set" "net/portsets/$switch/ports/${u}lldp/enable" 1 done

Posted on

Testing

Some plain text.

#!/bin/bash
tee /tmp/foo<<'EOF'
bar
EOF
 
tee /tmp/foo<<'EOF'
bar
EOF

#!/bin/bash tee /tmp/foo&lt;&lt;'EOF' bar EOF tee /tmp/foo<<'EOF' bar EOF

More plain text.

Posted on

Cisco TAR file format

I needed to upload the device manager HTML files to a Cisco switch separately because I was low on flash space. You can’t download the HTML separately from Cisco (at least not for the 2950 switch I was upgrading) so I had to make the TAR myself.

So I made up a TAR file with the usual tar -cf command and tried to load it, but got a checksum error:

Loading html.tar 
PaxHeader/html (unknown file type)  -- ignored!
%Tar checksum error in ftp://1.2.3.4/html.tar

Turns out that Cisco requires and old format TAR file (compatible with V7 UNIX.) Create the archive with tar -cof and it will work out.

Posted on

PHP 5.3 database connection problems

My database scripts were all hanging after an upgrade from PHP 5.2.8 to 5.3.1 on Windows. Turns out it’s a problem with the new MySQLnd library that doesn’t like IPv6. You need to comment out the line in C:\Windows\system32\drivers\etc\hosts that resolves ::1 to localhost.

Thanks to Corey Gilmore for documenting it; I figure the more people get it online the quicker it will be for people to find it.