$cat /etc/yum.repos.d/fedora-updates.repo 
[updates]
name=Fedora Core $releasever - $basearch - Updates
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/$releasever/$basearch/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=updates-released-fc$releasever&arch=$basearch
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora

[updates-debuginfo]
name=Fedora Core $releasever - $basearch - Updates - Debug
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/$releasever/$basearch/debug/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=updates-released-debug-fc$releasever&arch=$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora

[updates-source]
name=Fedora Core $releasever - Updates Source
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/$releasever/SRPMS/
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=updates-released-source-fc$releasever&arch=$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora















yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
http://www.mirrorservice.org/sites/download.fedora.redhat.com/pub/fedora/linux/core/updates/6/i386/repodata/repomd.xml: [Errno 12] Timeout: <urlopen error timed out>
Trying other mirror.
updates                   100% |=========================| 1.2 kB    00:00     
Reading repository metadata in from local files
primary.xml.gz            100% |=========================| 526 kB    00:04     
http://ftp.surfnet.nl/ftp/pub/os/Linux/distr/fedora/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:01     
http://sunsite.mff.cuni.cz/pub/fedora/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:05     
http://ftp.nluug.nl/ftp/pub/os/Linux/distr/fedora/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:04     
http://ftp.esat.net/pub/linux/fedora/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:04     
http://mirrors.kernel.org/fedora/core/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:01     
http://ftp.astral.ro/distros/fedora/core/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:03     
http://mirror.hiwaay.net/pub/fedora/linux/core/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:00     
http://ftp.ale.org/mirrors/fedora/linux/core/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 526 kB    00:00     
http://www.gtlib.cc.gatech.edu/pub/fedora.redhat/linux/core/updates/6/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum
Trying other mirror.